0 solid waste from animals, especially horses, that is spread on the land in order to make plants grow well -- 粪肥（尤指马粪）
Utilizing the nitrogen content of organic manures on farms-problems and practical solutions.
Improved manure management: a systems approach than in the past.
One of the reasons that systems thinking is both important and difficult is the complexity inherent in manure issues.
Though more costly, the more sustainable option is the use of green manures.
The ammonium transported in runoff from the composted dairy manure was somewhat consistent for the 10-week study.
The dairy farm covered the costs of forage storage and manure-spreading.
Digestion by cattle, and storage within a manure heap for 6 months or longer, further reduced seed germination.
Organic potato production is typically characterized by extended rotations involving leguminous crop green manures sometimes combined with organic amendments.
