SPECIAL MANURES FOR PARTICULAR CROPS
نویسندگان
چکیده
منابع مشابه
Special Section: Transgenic Crops
AFTER centuries of improving crop plants by breeding for desirable traits, agricultural scientists are now using the tools of molecular biology and genetic engineering to develop transgenic plants with the desired genes. Enormous progress has been made over the past decade in our understanding of the highly complex molecular events that occur in plant–pathogen interactions. This knowledge in tu...
متن کاملSpecial Section: Transgenic Crops
Plant virus diseases cause severe constraints on the productivity of a wide range of economically important crops worldwide. In India the Green Revolution ushered in intensive agricultural practices and reduced varietal diversity, resulting in the emergence of viral diseases at an alarming pace in the cultivated crops. Some such diseases, which are especially relevant to India, along with their...
متن کاملManures for Organic Crop Production
Livestock manures are an important resource in sustainable and organic crop production. This publication addresses the problems and challenges of using both raw and composted manures and discusses some of the solutions. It also deals with guano, a similar material. Manures for Organic
متن کاملPhosphorus distribution in dairy manures.
The chemical composition of manure P is a key factor determining its potential bioavailability and susceptibility to runoff. The distribution of P forms in 13 dairy manures was investigated with sequential fractionation coupled with orthophosphate-releasing enzymatic hydrolysis. Among the 13 dairy manures, manure total P varied between 4100 and 18,300 mg kg(-1) dry matter (DM). Water-extractabl...
متن کاملReducing Phosphorus in Animal Manures
The presence of phytase activities in condensed cane molasses solubles (CCMS) and CCMS-Lactobacillus (Lacto) were determined. Single Comb White Leghorn layers were fed .25 and .45% available P (AP) diets supplemented with CCMS and CCMS-Lacto for nine 28-d periods to determine phytase activities of the gastrointestinal (GI) tract contents and intestine, liver, and pancreatic tissues, the GI trac...
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ژورنال
عنوان ژورنال: Science
سال: 1884
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.ns-4.76.57