This compound manure could fairly raise the output of paddy in the trail, and as good as N, P, K fertilizers used.
结果表明：该有机复合肥对水稻的增产效果显著，肥效与N、P、K三元复合肥相当，值得进一步研究开发。
Excreta collection techniques in nitrogen(N)balance trail developed from the techniques for ducks were used to study the net protein utilization of goose.
本文借鉴鸭排泄物收集方法对肉鹅的蛋白质净利用率进行初步研究。
Excreta collection techniques in nitrogen(N)balance trail developed from the techniques for ducks were used to study the net protein utilization of goose.
本文借鉴鸭排泄物收集方法对肉鹅的蛋白质净利用率进行初步研究。
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