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  1. Agricultural IPM
  2. Vegetables
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Vegetable IPM Updates Archive
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Insect Management
Specialty Crops
Plant Pathology
Weeds
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Areawide Insect Trapping Network
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Mechanization
Soil Science
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Areawide Insect Trapping Network
View The Most Recent Vegetable IPM Updates
Insect Management
  • Jun 25, 2025
    Palumbo Thank You Statement
  • May 28, 2025
    John C. Palumbo Celebration of Life—June 14th
  • May 14, 2025
    Remembering John Palumbo
  • Apr 30, 2025
    Action Threshold for Desert Produce Crops
  • Apr 16, 2025
    Whitefly Management on Spring Melons (2025)
  • Apr 2, 2025
    Spider Mites on Spring Melons (2025)
  • Mar 19, 2025
    Insecticide Modes of Action and IRM (2025)
  • Mar 5, 2025
    Late-season Western Flower Thrips Management in Lettuce
  • Feb 19, 2025
    Aphids Holding on Strong in Desert Produce
  • Feb 5, 2025
    Don’t Forget Corn Earworm in Lettuce
  • Jan 22, 2025
    Avoid Seed Corn Maggots in Spring Melons (2025)
  • Jan 8, 2025
    Keep an Eye Out for Aphids (2025)
  • Dec 11, 2024
    Review of Pest Pressure on Produce and Melon Crops - Fall 2024
  • Nov 27, 2024
    Weather Impacts Insect Abundance and Activity
  • Nov 13, 2024
    Current Pest Status in Desert Produce Crops
  • Oct 30, 2024
    Stay Ahead of Diamondback Moth in the Desert
  • Oct 16, 2024
    Be Prepared for Corn Earworm in Lettuce (2024)
  • Oct 2, 2024
    Sustaining Insecticide Performance ……Rotation, Rotation, Rotation
  • Sep 18, 2024
    The Fall Produce Season in the Desert Has Begun
  • Sep 4, 2024
    Do You Need to Worry About Bagrada Bugs on Fall Crops?
  • Aug 21, 2024
    Diamondback Moth in the Desert – Like a Box a Chocolates
  • Aug 7, 2024
    Protecting Crops at Stand Establishment (2024)
  • Jul 24, 2024
    Management Guidelines for Whiteflies and CYSDV on Fall Melons in 2024
  • Jul 10, 2024
    Insecticide Usage on Conventional and Organic Lettuce, 2023-24
  • Jun 26, 2024
    Keeping Track of Major Produce Pests During the Summer
  • Jun 26, 2024
    Keeping Track of Major Produce Pests During the Summer (2024)
  • Jun 12, 2024
    Pay Attention To Summer Insect Activity (2024)
  • May 29, 2024
    Weeds Management Important for Insect Management
  • May 15, 2024
    Help Us Document the Insect Pressure in Desert Lettuce This Season
  • May 1, 2024
    Be Cautious of Worms on Spring Melons
  • Apr 17, 2024
    Whitefly Management on Spring Melons (2024)
  • Apr 3, 2024
    Managing Spider Mites on Spring Melons
  • Mar 20, 2024
    Insecticide Modes of Action and IRM (2024)
  • Mar 6, 2024
    Late-season Thrips Management in Lettuce (2024)
  • Feb 21, 2024
    Lettuce Aphids Showing Up Areawide
  • Feb 7, 2024
    Keep an Eye Out for Corn Earworm in Spring Head Lettuce
  • Jan 24, 2024
    Avoid Seed Corn Maggots in Spring Melons (2024)
  • Jan 10, 2024
    Keep an Eye Out for Aphids (2024)
  • Dec 13, 2023
    Review of Pest Pressure on Produce and Melon Crops -Fall 2023
  • Nov 29, 2023
    Influence of Weather on Insect Pest Abundance and Activity
  • Nov 15, 2023
    Field Sanitation Important for Avoiding Spring Pest Problems
  • Nov 1, 2023
    Thrips Management in Fall Lettuce is Important
  • Oct 18, 2023
    It’s That Time of the Season for Corn Earworm in Lettuce
  • Oct 4, 2023
    Sustaining Insecticide Efficacy……Rotation, rotation, rotation
  • Sep 20, 2023
    Lepidopterous Larvae in Fall Produce (2023)
  • Sep 6, 2023
    Ready for the Fall Produce Season?
  • Aug 23, 2023
    Hurricanes Can Bring More Than High Winds and Rain
  • Aug 9, 2023
    Protecting Crops at Stand Establishment
  • Jul 26, 2023
    Trends in Insect Losses and Management on Desert Lettuce
  • Jul 12, 2023
    Management Guidelines for Whiteflies and CYSDV on Fall Melons in 2023
  • Jun 28, 2023
    2023 Insecticide Usage on Conventional and Organic Lettuce
  • Jun 14, 2023
    Sanitation and Summer Whitefly Management (2023)
  • May 31, 2023
    Weeds and Insect Management in Desert Produce (2023)
  • May 17, 2023
    Unusual Insect Activity in Spring Melons
  • May 3, 2023
    Help Us Document the Heavy Insect Pressure in Desert Lettuce This Season
  • Apr 19, 2023
    Whitefly Management on Spring Melons (2023)
  • Apr 5, 2023
    Spider Mites on Spring Melons
  • Mar 22, 2023
    Late-season Thrips Management in Lettuce (2023)
  • Mar 8, 2023
    Lettuce Aphids Showing Up in Desert Lettuce
  • Feb 22, 2023
    Aphids Persist in Desert Lettuce
  • Feb 8, 2023
    Early Corn Earworm Activity in Spring Lettuce
  • Jan 25, 2023
    Spring Pest Pressure Beginning to Increase
  • Jan 11, 2023
    Green Peach Aphids and the Red Morph
  • Dec 14, 2022
    Review of Pest Pressure on Fall Produce and Melon Crops, 2022
  • Nov 30, 2022
    Sanitation Important for Avoiding Spring Pest Problems
  • Nov 16, 2022
    Don’t Let the Cool Weather Fool You
  • Nov 2, 2022
    Thrips Management in Fall Lettuce Important as Ever
  • Oct 19, 2022
    Don’t Forget About Corn Earworm in Lettuce
  • Oct 5, 2022
    Another Strange Lepidopterous Pest Infesting Desert Produce
  • Sep 21, 2022
    Hornworm Migrations onto Desert Produce Crops
  • Sep 7, 2022
    Let the Produce Season Begin
  • Aug 24, 2022
    Are Bagrada Bugs Still a Threat to Desert Crops?
  • Aug 10, 2022
    Insect Pests Important at Stand Establishment
  • Jul 27, 2022
    2022 Management Guidelines for Whiteflies and CYSDV on Fall Melons
  • Jul 13, 2022
    Insect Pest Status and Historical Losses in Desert Lettuce
  • Jun 29, 2022
    2022 Insecticide Usage on Conventional and Organic Lettuce
  • Jun 15, 2022
    Whiteflies Building Up, Adults on the Move
  • Jun 1, 2022
    Pay Attention To Summer Insect Activity
  • May 18, 2022
    Weeds and Insect Management in Desert Produce
  • May 4, 2022
    Spider Mites on Spring Melons 2022
  • Apr 20, 2022
    Managing Whiteflies on Spring Melons (2022)
  • Apr 6, 2022
    Help Us Document the Historic Insect Pressure in Desert Lettuce
  • Mar 23, 2022
    Insecticide Modes of Action and IRM
  • Mar 9, 2022
    Aphids Still Going Strong Late in the Season
  • Feb 23, 2022
    Current Pest Activity in Spring Produce
  • Feb 9, 2022
    Don’t Forget Corn Earworm in Spring Head Lettuce
  • Jan 26, 2022
    Avoid Seed Corn Maggots in Spring Melons 2022
  • Jan 12, 2022
    Lettuce Aphids Showing Up Early This Season
  • Dec 15, 2021
    Review of Pest Pressure on Fall Produce and Melon Crops, 2021
  • Dec 1, 2021
    Aphids Showing Up in Fall Produce Crops
  • Nov 17, 2021
    INSV Infected Lettuce Showing Up in Desert*
  • Nov 3, 2021
    Cooler Weather, But Don’t Relax Yet*
  • Oct 20, 2021
    Rethinking Thrips Management in Fall Lettuce
  • Oct 6, 2021
    Sustaining Insecticide Performance Rotate, rotate, rotate*
  • Sep 22, 2021
    Lepidopterous Larvae in Fall Produce*
  • Sep 8, 2021
    Ready for the Produce Season to Begin?*
  • Aug 25, 2021
    Bagrada Bugs Showing Up on Early Transplants*
  • Aug 11, 2021
    Seedling Pests at Stand Establishment (2021)
  • Jul 28, 2021
    Preparing for Diamondback Moth on Fall Cole Crops*
  • Jul 14, 2021
    Management Guidelines for Whiteflies and CYSDV on Fall Melons in 2021*

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Specialty Crops
  • Jun 11, 2025
    Organic-Allowed Insecticide Options to Control Vegetable Insect Pests in the Desert
  • May 14, 2025
    Tribute to John
  • Apr 2, 2025
    Natural and Semi-Natural Habitats Enhance Natural Enemy Conservation and Biological Control Efficacy
  • Jan 22, 2025
    Optimizing Water and Nitrogen for Aphids Control
  • Dec 11, 2024
    Efficacy of Selected Organic Insecticides Against Western Flower Thrips and Bean Thrips in Head Lettuce
  • Nov 27, 2024
    Supplying Excessive Water and Nitrogen Favors Aphid Infestations
  • Nov 13, 2024
    Efficacy of Selected Organic-Allowed Bioinsecticides Against Beet Armyworm and Diamondback Moth
  • Oct 30, 2024
    Alternative Bioinsecticides for Whitefly Control in Organic Brassicas
  • Oct 16, 2024
    Bioinsecticide Alternatives for Pale Striped Flea Beetles Management in Organic Brassica
  • Oct 2, 2024
    Organic Insecticides and Target Vegetable Insect Pests
  • Sep 18, 2024
    A Brief Reminder of Some IPM Techniques
  • Sep 4, 2024
    Organic Insecticide Alternatives and Beneficial Insect Trials Coming Up This Fall Growing Seasons at the Yuma Ag. Center
  • Aug 21, 2024
    Understanding the Evolution of Resistance in Insect
  • Aug 7, 2024
    University of Wisconsin-Madison: Technology for digital monitoring of insect pests in crops
  • Jul 24, 2024
    The Impacts of Water and Nutrient Management on Aphids Control
  • Jul 10, 2024
    Resistant variety: A Fundamental Tool for Managing Difficult-to-Control Pests in Organic Crops
  • Jun 26, 2024
    Push-Pull Strategies: Effective Integrated Pest Management Tools
  • Jun 12, 2024
    IPM Techniques for Organic Crop Production
  • May 29, 2024
    An Effective Way to Enhance Biological Control in Your Organic Farms
Weeds
  • Jun 25, 2025
    Mazin Introduction
  • May 14, 2025
    The Root of So Much Good
  • Nov 27, 2024
    Thank You
  • Nov 13, 2024
    Broccoli Herbicide Trial – Results
  • Oct 30, 2024
    Come Look at The Broccoli Herbicide Trial
  • Oct 16, 2024
    Weeds in Lettuce
  • Oct 2, 2024
    Trial Pics (2024)
  • Sep 18, 2024
    Weed Germination Calendars
  • Sep 4, 2024
    Summer Grasses
  • Aug 21, 2024
    Cole Crop Herbicide Evaluations
  • Aug 7, 2024
    EPA Emergency Order Suspending Registrations of Dacthal (DCPA)
  • Jul 24, 2024
    How Much Time Needed Before Planting Lettuce
  • Jul 10, 2024
    Injury from Pursuit and Raptor Carryover
  • Jun 26, 2024
    Onions / Opinions
  • Jun 12, 2024
    Weed’s Survival
  • May 29, 2024
    Coulter's Spiderling
  • May 15, 2024
    Water Loss by Weeds
  • May 1, 2024
    Sharpen Pre-harvest Application in Wheat
  • Apr 17, 2024
    Fleabane Trial
  • Apr 3, 2024
    “Your Comments: Napropamide and Dacthal”
  • Mar 20, 2024
    Napropamide (Devrinol) Trials
  • Mar 6, 2024
    Weed Control Session SW Ag Summit Yuma
  • Feb 21, 2024
    SW Ag Summit: IR-4 Project, BASF technologies, Alternatives to DACTHAL
  • Feb 7, 2024
    Weed ID: 2 Phone Apps
  • Jan 24, 2024
    Weed Identification
  • Jan 10, 2024
    Impact Of Weeds Compared To Insects And Diseases
  • Dec 13, 2023
    From our Archives: "Postemergence Grass Control in Vegetables"
  • Nov 29, 2023
    PPO Inhibitors: Goal
  • Nov 15, 2023
    Broccoli and Onion Trials at the Yuma Ag Center
  • Nov 1, 2023
    Lettuce Herbicide Injury
  • Oct 18, 2023
    Herbicide Injury Symptoms?
  • Oct 4, 2023
    Prefar-Onion
  • Sep 20, 2023
    Lettuce Herbicide Usage Last Season (2023)
  • Sep 6, 2023
    Postemergence Grass Control in Vegetables
  • Aug 23, 2023
    Broccoli Herbicides
  • Aug 9, 2023
    Preplant Burndown Herbicides
  • Jul 26, 2023
    Devrinol
  • Jul 12, 2023
    Herbicide Mode of Action: Lipid Biosynthesis Inhibitors
  • Jun 28, 2023
    Mode of Action: Growth Regulator Herbicides
  • Jun 14, 2023
    Teff Grass: Forage Grown Between Vegetables Seasons
  • May 31, 2023
    Abundant Hairy Fleabane Right Now
  • May 17, 2023
    Summer Annual Grasses
  • May 3, 2023
    Hare Barley
  • Apr 19, 2023
    Herbicides When Soil is Moved From the Application Site
  • Apr 5, 2023
    Abundant Shepherdspurse Reported
  • Mar 22, 2023
    Vegetable Weed Control
  • Mar 8, 2023
    Weed Control Session at the SWAS
  • Feb 22, 2023
    Integrated Weed Management and Impact to Desert Agriculture
  • Feb 8, 2023
    Annual Bluegrass ID
  • Jan 25, 2023
    Organic Celery Test
  • Jan 11, 2023
    You asked. . .We Answered: Spinach Trial
  • Dec 14, 2022
    Bensulide Residue in the Field Before Spinach
  • Nov 30, 2022
    Broccoli Weed Control Question
  • Nov 16, 2022
    Herbicide Injury?
  • Nov 2, 2022
    Common Purslane (2022)
  • Oct 19, 2022
    Would You Like a Copy Our Weed Seedling Identification Pocket Guide?
  • Oct 5, 2022
    Did You Like Our Weed Seedling Identification Pocket Guide?
  • Sep 21, 2022
    Prefar (bensulide) - 2022
  • Sep 7, 2022
    Kerb Application 21 Years After 9/11
  • Aug 24, 2022
    Water Loss from Weeds
  • Aug 10, 2022
    Prefar (bensulide)
  • Jul 27, 2022
    Herbicide Resistance and Tolerance
  • Jul 13, 2022
    Reduce Your Weed Seedbank in the Summer
  • Jun 29, 2022
    Buffalobur Nightshade (Solanum rostratum)
  • Jun 15, 2022
    Weeds Surviving Glyphosate – Hairy fleabane
  • Jun 1, 2022
    Temperature and Humidity Effect on Glufosinate
  • May 18, 2022
    Hairy Fleabane (Conyza bonariensis)
  • May 4, 2022
    EPA Notice of Intent to Suspend the Herbicide DCPA / Dacthal
  • Apr 20, 2022
    Dacthal Herbicide Safety for Lettuce Transplants
  • Apr 6, 2022
    Herbicide Evaluations in Transplanted Lettuce
  • Mar 23, 2022
    London Rocket (Sisymbrium irio) (2022)
  • Mar 9, 2022
    Weed Survey of Yuma County (2022)
  • Dec 15, 2021
    Desert Needle or Desert Palafox (Palafoxia arida)
  • Dec 1, 2021
    November Weed Survey of Yuma County
  • Nov 3, 2021
    Bi-Weekly Weed Survey of Yuma County Starts Today
  • Oct 20, 2021
    Weed Seed Germination (2021)
  • Oct 6, 2021
    Herbicide Chemigation
  • Sep 22, 2021
    Herbicide Volatility
  • Sep 8, 2021
    Dacthal and Water (2021)
  • Aug 25, 2021
    How to Kill Pigweed Trees
  • Aug 11, 2021
    Herbicides for Ground Preparation in Lettuce
  • Jul 28, 2021
    Botanical Classification of Crops (2021)
  • Jul 14, 2021
    A Water Filter That Really Filters the Smallest Seeds*
  • Jun 30, 2021
    Summer Annual Grass Identification (2021)*
  • Jun 16, 2021
    Non-Crop Weed Control
  • Jun 2, 2021
    Summer Fallow Weed Control (2021)
  • May 19, 2021
    Ditch Bank Weed Control (2021)
  • May 5, 2021
    Clover
  • Apr 21, 2021
    Summer Fallow Weed Control 2021-2
  • Apr 7, 2021
    Summer Fallow Weed Control 2021-1
  • Mar 24, 2021
    Malva
  • Mar 10, 2021
    The Transition from Winter to Summer Weeds
  • Feb 24, 2021
    Carryover of Vegetable Herbicides to Wheat Grown in Rotation
  • Feb 10, 2021
    Shepperdspurse
  • Jan 27, 2021
    Contact Herbicides
  • Dec 9, 2020
    Herbicide Resistance
  • Nov 11, 2020
    Goal Preemergence, Postemergence and Chemigated
  • Oct 28, 2020
    Using Multiple Preplant Herbicides in Lettuce
  • Oct 14, 2020
    Seedling Emergence After Applying Preemergence Herbicides
  • Sep 30, 2020
    Visibility of Weeds
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Plant Pathology 2019 - Present
  • Jun 25, 2025
    2025 Downy Mildew of Spinach Fungicide Trial
  • Jun 11, 2025
    2024-2025 Sclerotinia Drop of Lettuce Fungicide Trial
  • May 28, 2025
    2024-2025 Powdery Mildew of Lettuce Fungicide Trial
  • May 14, 2025
    Forever Fangirl
  • Apr 30, 2025
    Fair Winds and Following Seas, Dr. Bindu-Poudel
  • Mar 19, 2025
    2024 Fusarium Wilt of Lettuce Field Trial Results
  • Mar 5, 2025
    Botrytis Crown Rot of Lettuce (2025 b)
  • Feb 19, 2025
    Frost Injury in Vegetable Crops (2025)
  • Feb 5, 2025
    Botrytis Crown Rot of Lettuce (2025)
  • Jan 22, 2025
    Bacterial Leaf Spot of Beets (2025)
  • Jan 8, 2025
    Downy Mildew of Onions (2025)
  • Dec 11, 2024
    Late blight of Celery (2024-b)
  • Nov 27, 2024
    Downy Mildew of Lettuce (2024)
  • Nov 13, 2024
    Bacterial Soft Rot in Lettuce (2024-b)
  • Oct 30, 2024
    Diseases of Cole crops
  • Oct 16, 2024
    2024 Powdery Mildew of Melon Fungicide Trial
  • Oct 2, 2024
    2024 Downy Mildew of Spinach Fungicide Trial
  • Sep 18, 2024
    2023-2024 Sclerotinia Drop of Lettuce Fungicide Trial
  • Sep 4, 2024
    2023-2024 Powdery Mildew of Lettuce Fungicide Trial
  • Aug 21, 2024
    2023-2024 Downy Mildew of Lettuce Fungicide Trial
Plant Pathology 2010 - 2019

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Mechanization
  • May 14, 2025
    Remembering Dr. John Palumbo
  • Apr 30, 2025
    Controlling Large Palmer Amaranth in the Crop Row with Finger Weeders
  • Apr 16, 2025
    Finger Weeders for In-row Weed Control
  • Apr 2, 2025
    FarmWise Restructuring Business and Shutting Down Operations
  • Mar 5, 2025
    New Technologies for Pest Control at the 2025 Southwest Ag Summit
  • Feb 19, 2025
    Innovations in Weed Control and Crop Production Technologies at the 2025 Southwest Ag Summit
  • Feb 5, 2025
    Upcoming Farm Equipment/Ag Trade Shows (2025)
  • Jan 22, 2025
    On-Farm Demonstrations of Soil Steaming for Weed and Disease Control in Spinach
  • Jan 8, 2025
    PBS News Hour Report: Arizona Farmers Forced to Adapt as Main Water Source Dries Up
  • Dec 11, 2024
    Crop Contamination from Gulls
  • Nov 27, 2024
    Western Growers Case Study – Stout Smart Cultivator
  • Nov 13, 2024
    Today - The Desert Difference: A Showcase of Ag Tech Field Day - Today
  • Oct 30, 2024
    The Desert Difference: A Showcase of AgTech Opportunities for Growing in the Desert– Field Day
  • Oct 16, 2024
    Camera Guided Shift Hitch and Finger Weeders (2024)
  • Oct 2, 2024
    On-Farm Demonstrations of Soil Steaming for Weed and Disease Control
  • Sep 18, 2024
    Mechanical Weed Control in Vegetable Production – A Pre-Recorded Seminar
  • Sep 4, 2024
    FIRA USA 2024 - Autonomous Farming and Agricultural Robotics Solutions Forum
  • Aug 21, 2024
    Soil Steaming for Weed and Disease Control: Demos on Your Farm (2024)
  • Aug 7, 2024
    Ag Automation/Mechanization Technologies: Reader Suggestions (2024)
  • Jul 24, 2024
    The Desert Difference: A Showcase of AgTech Opportunities for Growing in the Desert

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Areawide Insect Trapping Network
  • Apr 2, 2025
    Area wide Insect Trapping Network (April 2, 2025)
  • Mar 19, 2025
    Area wide Insect Trapping Network (March 19, 2025)
  • Mar 5, 2025
    Area wide Insect Trapping Network (March 5, 2025)
  • Feb 19, 2025
    Area wide Insect Trapping Network (February 19, 2025)
  • Feb 5, 2025
    Area wide Insect Trapping Network (February 5, 2025)
  • Jan 22, 2025
    Area wide Insect Trapping Network (January 22, 2025)
  • Jan 8, 2025
    Area wide Insect Trapping Network (January 8, 2025)
  • Dec 11, 2024
    Area wide Insect Trapping Network (December 13, 2024)
  • Nov 27, 2024
    Area wide Insect Trapping Network (November 27, 2024)
  • Nov 13, 2024
    Area wide Insect Trapping Network (November 13, 2024)
  • Oct 30, 2024
    Area wide Insect Trapping Network (October 30, 2024)
  • Oct 16, 2024
    Area wide Insect Trapping Network (October 16, 2024)
  • Oct 2, 2024
    Area wide Insect Trapping Network (October 2, 2024)
  • Sep 18, 2024
    Area wide Insect Trapping Network (September 18, 2024)
  • Sep 4, 2024
    Area wide Insect Trapping Network (September 4, 2024)
  • Aug 21, 2024
    Area wide Insect Trapping Network (August 21, 2024)
  • Aug 7, 2024
    Area wide Insect Trapping Network (August 7, 2024)
  • Jul 24, 2024
    Area wide Insect Trapping Network (July 24, 2024)
  • Jul 10, 2024
    Area wide Insect Trapping Network (July 10, 2024) Published
  • Jun 26, 2024
    Area wide Insect Trapping Network (June 26, 2024)
  • Jun 12, 2024
    Area wide Insect Trapping Network (June 12, 2024)
  • Apr 17, 2024
    Area wide Insect Trapping Network (April 17, 2024)
  • Apr 3, 2024
    Area wide Insect Trapping Network (April 3, 2024)
  • Mar 20, 2024
    Area wide Insect Trapping Network (March 20, 2024)
  • Mar 6, 2024
    Area wide Insect Trapping Network (March 6, 2024)
  • Feb 21, 2024
    Area wide Insect Trapping Network (February 21, 2024)
  • Feb 7, 2024
    Area wide Insect Trapping Network (February 7, 2024)
  • Jan 24, 2024
    Area wide Insect Trapping Network (January24, 2024)
  • Jan 10, 2024
    Area wide Insect Trapping Network (January10, 2024)
  • Dec 13, 2023
    Area wide Insect Trapping Network (December 13, 2023)
  • Nov 29, 2023
    Area wide Insect Trapping Network (November 29, 2023)
  • Nov 15, 2023
    Area wide Insect Trapping Network (November 15, 2023)
  • Nov 1, 2023
    Area wide Insect Trapping Network (November 1, 2023)
  • Oct 18, 2023
    Area wide Insect Trapping Network (October 18, 2023)
  • Oct 4, 2023
    Area wide Insect Trapping Network (October 4, 2023)
  • Sep 20, 2023
    Area wide Insect Trapping Network (September 20, 2023)
  • Sep 6, 2023
    Area wide Insect Trapping Network (September 6, 2023)
  • Aug 23, 2023
    Area wide Insect Trapping Network (August 23, 2023)
  • Aug 9, 2023
    Area wide Insect Trapping Network (August 8, 2023)
  • Jul 26, 2023
    Area wide Insect Trapping Network (July 26, 2023)
  • Jul 12, 2023
    Area wide Insect Trapping Network (July 12, 2023)
  • Apr 5, 2023
    Area wide Insect Trapping Network (April 5, 2023)
  • Mar 22, 2023
    Area wide Insect Trapping Network (March 22, 2023)
  • Mar 8, 2023
    Area wide Insect Trapping Network (March 8, 2023)
  • Feb 22, 2023
    Area wide Insect Trapping Network (February 22, 2023)
  • Feb 8, 2023
    Area wide Insect Trapping Network (February 8, 2023)
  • Jan 25, 2023
    Area wide Insect Trapping Network (January25, 2023)
  • Jan 11, 2023
    Area wide Insect Trapping Network (January 11, 2023)
  • Dec 14, 2022
    Area wide Insect Trapping Network (December 14, 2022)
  • Nov 16, 2022
    Area wide Insect Trapping Network (November 30, 2022)
  • Nov 16, 2022
    Area wide Insect Trapping Network (November 16, 2022)
  • Nov 2, 2022
    Area wide Insect Trapping Network (November 2, 2022)
  • Oct 19, 2022
    Area wide Insect Trapping Network (October 19, 2022)
  • Oct 5, 2022
    Area wide Insect Trapping Network (October 5, 2022)
  • Sep 21, 2022
    Area wide Insect Trapping Network (September 21, 2022)
  • Sep 7, 2022
    Area wide Insect Trapping Network (September 7, 2022)
  • Aug 24, 2022
    Area wide Insect Trapping Network (August 24, 2022)
  • Aug 10, 2022
    Area wide Insect Trapping Network (August 10, 2022)
  • Jul 27, 2022
    Area wide Insect Trapping Network (July 27, 2022)
  • Jul 13, 2022
    Area wide Insect Trapping Network (July 13, 2022)
  • Jun 29, 2022
    Area wide Insect Trapping Network (June 29, 2022)
  • Jun 15, 2022
    Area wide Insect Trapping Network (June 15, 2022)
  • Apr 6, 2022
    Area wide Insect Trapping Network (April 6, 2022)
  • Mar 23, 2022
    Area wide Insect Trapping Network (March 23, 2022)
  • Mar 9, 2022
    Area wide Insect Trapping Network (March 9, 2022)
  • Feb 23, 2022
    Area wide Insect Trapping Network (February 23, 2022)
  • Jan 26, 2022
    Area wide Insect Trapping Network (January 26, 2022)
  • Jan 12, 2022
    Area wide Insect Trapping Network (January 12, 2022)
  • Dec 15, 2021
    Area wide Insect Trapping Network (December 15, 2021)
  • Dec 1, 2021
    Area wide Insect Trapping Network (December 1, 2021)
  • Nov 17, 2021
    Area wide Insect Trapping Network (November 17, 2021)
  • Nov 3, 2021
    Area wide Insect Trapping Network (November 3, 2021)
  • Oct 20, 2021
    Area wide Insect Trapping Network (October 20, 2021)
  • Oct 6, 2021
    Area wide Insect Trapping Network (October 6, 2021)
  • Sep 22, 2021
    Area wide Insect Trapping Network (September 22, 2021)
  • Sep 8, 2021
    Area wide Insect Trapping Network (September 8, 2021)
  • Aug 25, 2021
    Area wide Insect Trapping Network (August 25, 2021)
  • Aug 11, 2021
    Area wide Insect Trapping Network (August 11, 2021)
  • Jul 28, 2021
    Area wide Insect Trapping Network (July 28, 2021)
  • Jun 30, 2021
    Area wide Insect Trapping Network (June 30, 2021)
  • Jun 16, 2021
    Area wide Insect Trapping Network (June 16, 2021)
  • Jun 2, 2021
    Area wide Insect Trapping Network (June 2, 2021)
  • Mar 24, 2021
    Areawide Insect Trapping Network (March 24, 2021)
  • Mar 10, 2021
    Areawide Insect Trapping Network (March 10, 2021)
  • Feb 24, 2021
    Areawide Insect Trapping Network (February 24, 2021)
  • Feb 10, 2021
    Areawide Insect Trapping Network (February 10, 2021)
  • Nov 11, 2020
    Areawide Insect Trapping Network (November 11, 2020)
  • Oct 28, 2020
    Areawide Insect Trapping Network (October 28, 2020)
  • Oct 14, 2020
    Areawide Insect Trapping Network (October 14, 2020)
  • Sep 30, 2020
    Areawide Insect Trapping Network (September 30, 2020)
  • Apr 1, 2020
    Areawide Insect Trapping Network (April 1, 2020)
  • Apr 3, 2019
    Areawide Insect Trapping Network (April 3, 2019)
  • Mar 20, 2019
    Areawide Insect Trapping Network (March 20, 2019)
  • Mar 6, 2019
    Area wide Insect Trapping Network for Mar 6, 2019
  • Mar 21, 2018
    Areawide Insect Trapping Network (March 21, 2018)
  • Sep 18, 2013
    Areawide Insect Trapping Network (September 18, 2013)

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Biometeorology

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Soil Science
  • Jun 25, 2025
    Urea Fertilizer Price Trends
  • Jun 11, 2025
    Colorado River Status— June 2025
  • May 28, 2025
    Development of the 2025 Spring Melon (Cantaloupe) Crop (2025)
  • May 14, 2025
    A Tribute to Dr. John Palumbo
  • Apr 30, 2025
    2025 Spring Melon (Cantaloupe) Crop Progress
  • Apr 16, 2025
    Development of the 2025 Spring Melon (Cantaloupe) Crop
  • Apr 2, 2025
    Tracking Cantaloupe (Melon) Crop Growth and Development
  • Mar 19, 2025
    Soil Health: Biological Diversity
  • Mar 5, 2025
    Summary - Future of the Colorado River
  • Feb 19, 2025
    Future of the Colorado River – Southwest Ag Summit
  • Feb 5, 2025
    Colorado River Basin-Wide Negotiations for the New 2026 Operational Guidelines
  • Jan 22, 2025
    4R Nutrient Management (2025)
  • Jan 8, 2025
    Soil Health – Summary of the Nutrient Mobility Concept
  • Dec 11, 2024
    Soil Health – Bray’s Nutrient Mobility Concept and Immobile Plant Nutrients
  • Nov 27, 2024
    Soil Health – Bray’s Nutrient Mobility Concept and Mobile Plant Nutrients
  • Nov 13, 2024
    Soil Health – Nitrogen Reactions and Availability
  • Oct 30, 2024
    Soil Health – Nitrogen
  • Oct 16, 2024
    Soil Health – Liebig’s Law of the Minimum
  • Oct 2, 2024
    Vegetable Crop Root Systems (2024)
  • Sep 18, 2024
    Essential Plant Nutrients
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Other Updates
  • Mar 23, 2022
    Pythium Wilt of Lettuce in Arizona
  • Feb 9, 2022
    Weed Survey of Yuma County
  • Feb 9, 2022
    Smartphone App for Weed ID
  • Jan 26, 2022
    Swinecress
  • Jan 12, 2022
    Weeds Seasonality
Organic Crops
  • Jun 25, 2025
    Biostimulant Boosts Organic Lettuce Yield under Sensor-Based Irrigation Scheduling but Shows No Advantage in Conventional Production
  • Jun 11, 2025
    Can Biostimulants Enhance Lettuce Growth in Desert Conditions?
  • May 28, 2025
    Why Sudan Grass is a Smart Choice in Yuma?
  • May 14, 2025
    A Lasting Legacy in Yuma
  • Apr 30, 2025
    Could AI-Based Sensors Help Manage Weeds and Insects in Leafy Green Production?
  • Apr 16, 2025
    Strategies for Reducing Evapotranspiration in Agricultural Systems
  • Apr 2, 2025
    Irrigation Timing and Amount: When and How Much Should I Water My Crop?
  • Mar 19, 2025
    Optimizing Nitrogen Timing for Lettuce: Balancing Efficiency with Time Constraints
  • Feb 19, 2025
    Is the Biostimulant Safe for My Organic and/or Conventional Lettuce Farming?
  • Mar 5, 2025
    How to Select the Right Soil Moisture Sensors for Irrigation Management Decisions?
  • Feb 5, 2025
    Can Biostimulants Improve Soil Health, Crop Growth, and Yield in Organic Iceberg Lettuce?
  • Jan 22, 2025
    Can Sensor-Based Organic and Nitrogen Management Increase Yield, Optimize Nitrogen Use, and Potentially Reduce Pest Attraction in Organic and Conventional Lettuce?
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