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  • Influence
The Cost of Misapplication of Herbicides
A field survey of 103 private herbicide applicators was conducted during the spring of 1986 in 12 central and eastern Nebraska counties. The results showed that only 30% of the cooperators wereExpand
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Electronic Image Analysis of Crop Residue Cover on Soil
ABSTRACT CLASSIFICATION procedures for using both black-and-white and color imaging systems were developed and tested for determination of percent residue cover on the soil surface from video andExpand
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Calibration Accuracy of Pesticide Application Equipment
A field survey of 140 private and commercial pesticide applicators was conducted during the spring of 1986 in 12 counties of central and eastern Nebraska. The results showed that one out of everyExpand
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Field Evaluation of Calibration Accuracy for Pesticide Application Equipment
ABSTRACT A1979 field survey was conducted in Nebraska and western Iowa of 152 private and commercial pesti-cide applicators. The survey showed that only one out of every four cooperators wereExpand
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Corn residue cover on the soil surface after planting for various tillage and planting systems
ABSTRACT: Crop residue left on the soil surface after planting is one of the most cost-effective soil erosion control practices, and is a primary component of the majority of conservation plans thatExpand
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Long Term Tillage Effects on Grain Yield and Soil Properties in a Soybean/Grain Sorghum Rotation
In Nebraska, early adopters of conservation tillage, especially those using no-till planting, had some concerns regarding planter performance, early season weed control, and possible yieldExpand
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Interlamellar residual stresses in single grains of NiO-ZrO2(cubic) directionally solidified eutectics
Phase-to-phase residual stresses due to thermal expansion mismatch were measured in lamellar NiO-ZrO{sub 2} (cubic) directionally solidified eutectics (DSEs). The triaxial strain tensors for bothExpand
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The personal factor in evaluation use: A case study of a steering committee's use of a conservation tillage survey
Abstract In 1985 a statewide farmer survey about conservation tillage was conducted. It provided baseline data for a major energy conservation project. The data were used for 2 years, at which time aExpand
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