Using the nitrogen (N) in organic manures more effectively reduces losses to the
environment. A requirement to take allowance of the N conserved by reduced ammonia (NH …

FERTILIZERS AND FERTILIZED CROPS Page 1 AMMONIA EMISSION FROM MINERAL
FERTILIZERS AND FERTILIZED CROPS Sven G. Sommer," Jan K. Schjoerring" and OT …

Crucial steps in geochemical cycles are in many cases performed by more than one group
of microorganisms, but the significance of this functional redundancy with respect to …

Understanding the dynamics of N forms applied as manure is germane for appropriate rate
and timing of applications of manure. Manure characterization and laboratory incubation …

Identifying tipping points in the relationship between aridity and gross nitrogen (N) cycling
rates could show critical vulnerabilities of terrestrial ecosystems to climate change. Yet, the …

[目的] 揭示有机氮肥的矿化-固持周转过程机理, 为合理施用有机肥和化肥提供科学依据.[方法]
运用同位素15N 交叉标记示踪技术, 通过盆栽试验, 研究单施化肥, 单施猪粪, 猪粪与化肥配施 …

The intensive conversion from woodland to tea plantation in subtropical China might
significantly change the potential supply processes and cycling of inorganic Nitrogen (N) …

N dynamics in soil where wheat straw was incorporated were investigated by a soil
incubation experiment using 15N-labelled nitrate or 15N-labelled wheat straw. The …

Sheep grazing is increasingly being considered by winegrape growers to manage cover
crop growth in Mediterranean vineyards, a practice that could contribute to reducing fertilizer …

The influence of aerobic and anaerobic conditions on the survival of the enteropathogens
Escherichia coli O157: H7 and Salmonella serovar Typhimurium was investigated in …