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G93-1157 Testing Irrigation Water, Delynn Hay, K.D. Frank
G93-1157 Testing Irrigation Water, Delynn Hay, K.D. Frank
University of Nebraska-Lincoln Extension: Historical Materials
This NebGuide explains some of the reasons irrigation water should be tested and provides guidelines for collecting and submitting water samples. All irrigation water contains essential plant nutrients. These nutrients are free bonuses from a crop production standpoint. However, some nutrients can be present in amounts that will be toxic or damaging to crop growth. The nutrient content of Nebraska irrigation water can be highly variable from one location to another. The purpose of this guide is to provide guidelines for collecting and submitting irrigation water samples to laboratories for analysis. Reasons for having irrigation water tested are discussed. The …
G93-1158 Questions And Answers About Atrazine, Fred Roeth, S.D. Comfort
G93-1158 Questions And Answers About Atrazine, Fred Roeth, S.D. Comfort
University of Nebraska-Lincoln Extension: Historical Materials
This NebGuide addresses some of the current concerns about atrazine and water quality. Included are some questions and answers about atrazine regarding toxicity, EPA guidelines, presence in water supplies, weed resistance and best management practices. What is atrazine? Atrazine is a herbicide that selectively controls broadleaf (dicot) weeds, such as pigweed, cocklebur, velvetleaf and certain grass weeds in fields of corn and sorghum. Selective control means that the target weeds are controlled, with little or no injury to the crop. Atrazine is well tolerated by actively growing corn and sorghum, which absorb and metabolize the herbicide and thereby detoxify it.