Problems in Culling Corn Belt Hens
نویسندگان
چکیده
منابع مشابه
Warming Nighttime Temperatures and Crop Health in the Corn Belt
Over the last century nighttime minimum temperatures have been increasing at a faster rate than daily maximum temperatures. This warming trend has caught the attention of climatologists and agricultural scientists as they attempt to address the potential effects of elevated nighttime minimum temperatures on the health of these crops, which are so important to the U.S. economy. In this study, te...
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The objective of this review is to promote discussion on some of the key issues we consider to be involved in successful long-term genetic improvement of corn for drought tolerance. Many of the concepts have been discussed elsewhere for different crops, traits and different breeding targets. Here we focus on how to organize a comprehensive effort to enable breeding for drought tolerance in a he...
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greatest proportion of the beneficial effects of crop rotation, but other factors, including reduced weed, disease, Increased N availability is often associated with the beneficial efand insect problems, can also be important. fects of rotating grain and legume crops. Our objective was to utilize yield response data from two long-term studies to determine the Corn is now commonly grown in a 2-y...
متن کاملNitrogen use and carbon sequestered by corn rotations in the northern corn belt, U.S.
Diversified crop rotation may improve production efficiency, reduce fertilizer nitrogen (N) requirements for corn (Zea mays L.), and increase soil carbon (C) storage. Objectives were to determine effect of rotation and fertilizer N on soil C sequestration and N use. An experiment was started in 1990 on a Barnes clay loam (U.S. soil taxonomy: fine-loamy, mixed, superactive, frigid Calcic Hapludo...
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Nitrogen is the plant nutrient required in the largest quantity, the most likely to be deficient, and the most impactful on corn yield as well as grower profit. Providing N to a corn crop in the right amount while minimizing loss is difficult because of complex biological and chemical reactions that result in the loss of N from the crop root zone via deep percolation to ground water, lateral fl...
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ژورنال
عنوان ژورنال: Journal of the American Association of Instructors and Investigators of Poultry Husbandry
سال: 1919
ISSN: 2666-3651
DOI: 10.3382/ps.0050074