Biological denitrification is affected by many environmental factors that control the amount of
N 2 and N 2 O entering the atmosphere. This study was conducted to measure the effect of …

… JF Power, a pioneer of soil fertility management from the US Although the basic principles
of soil fertility management for sustainable agriculture in temperate and tropical regions …

Manure or compost application based on N needs of corn (Zea mays L.) may result in soil
accumulation of P, other ions, and salt because the manure or compost N/P ratio is usually …

The US Department of Agriculture funded the Management Systems Evaluation Area (MSEA)
research project in 1990 to evaluate effectiveness of present farming systems in controlling …

Quantification of nutrient and mass loss during composting is needed to understand the
composting process, to implement methods for nutrient conservation, and to reduce potential …

Comparisons of growth analysis functions within and among experiments are often confounded
by sources of variation other than those imposed by treatment. We suggest use of a …

Manure application to the soil surface may not be as effective as incorporated manure for
crop production, because of potential N loss. An experiment was conducted to determine the …

… responses to changes in soil physical environment (Doran et al., 1984; Power et al., 1986). …
Doran, JW, WW Wilhelm, and JF Power. 1984. Crop residue removal and soil productivity …

About two-thirds of the beef cattle feeding in the United States occurs in Nebraska, Texas,
Kansas, Iowa, and Colorado. Over 80 percent of the fed cattle are produced in feedlots of over …

In less affluent countries such as those in South and Southeast Asia, grain is directly used
for human consumption, and crop residues are the main source of fodder for animals. In …