Authors: Peter C. Ellsworth, Lydia Brown (University of Arizona) & Steven Naranjo (USDA-ARS)
Using selective chemistries is safer for the user and environment. This includes the beneficial predators found within fields that are important for controlling pests such as whiteflies and Lygus bugs. Selective chemistries are an important component of Arizona’s insect cotton IPM program. Current research is being conducted on the newest chemistries to determine their selectivity towards non-target organisms, such as beneficials.
An Introduction to the Use of Reference Strips for N Management in Durum Wheat
A proper application of nitrogen fertilizer can be somewhat difficult for Arizona growers due to a varying amount of nitrogen needed from year to year. This article explains the use of reference strips for assessing the proper amount of nitrogen fertilizer needed that year.
Determining the Amount of Irrigation Water Applied to a Field
Critical to any irrigation management approach is an accurate estimate of the amount of water applied to a field. Estimating the amount of water applied to a field or to a set is fairly easy for surface systems.
This document has a quick breakdown of some of the most important factors to consider when irrigating small grains. Topics such as seasonal water use, the first irrigation, last irrigation, and soil water balance methods.
Authors: Guangyao (Sam) Wang, Shawna Loper, Mike Ottman, and James Walworth
Pre-plant soil sampling is critical for profitable crop production. Soil analysis can help decide pre-plant fertilizer application. Generally only nitrogen and phosphorus fertilizer applications are ever needed in Arizona.
Wheat and barley crops are susceptible to lodging, the bending over of the stems near the ground level. Suggestions on how to control this are outlined in this article. Herbicides, fungicides, and cultural/environmental factors.
Minimum tillage for wheat following winter vegetables
Authors: Kurt Nolte, Mike Ottman, Trent Teegerstrom and Guangyao (Sam) Wang
Wheat is typically grown after cotton or other field crops in most of Arizona except for Yuma County where wheat is planted after winter vegetables. This article describes the benefits of utilizing the minimum tillage threshold when planting wheat after other crops.
Grain sorghum (milo) is a warm season, annual grain crop. It is more resistant to salt, drought, and heat stress than most other crops. Nevertheless, highest yields are obtained when stresses are minimized. This Article give some suggestion on planting, fertilizing, irrigation and other aspects of growing.
Alfalfa Weed Control in the Low Deserts of Arizona
Alfalfa is a vigorous crop that is very competitive with weeds. However, chemical weed control is often necessary even in well managed alfalfa since the marketplace has a low tolerance for weeds in alfalfa hay.
Weed Control for Wheat and Barley in the Low Deserts of Arizona
Although wheat and barley are vigorous crops that rapidly cover the soil surface and often out-compete weeds, weeds can still become a problem with certain cultural practices. This article gives some suggestions on the usage of herbicides when they become necessary.
ARIZONA PEST MANAGEMENT CENTER
University of Arizona College of Agriculture and Life Sciences Maricopa Agricultural Center