摘要
1996、1 997年连续对灌耕灰漠土棉花试验地土壤进行观测 .结果表明 ,适宜的氮磷化肥用量 ,可促进土壤氨化细菌、硝化细菌、纤维分解菌、固氮菌等氮素生理群微生物数量显著增加 .土壤呼吸强度、纤维分解强度等活性指标均有所增大 ,从而有利于作物生长 ,提高产量 .
The study was conducted on the irrigated grey desert soil from 1996 to 1997 and the results indicated that proper application of nitrogen fertilizer could enhance microbiomass significantly.This was also advantageous to cotton grow due tothe increases of respiration and decomposition of fiber.
出处
《土壤通报》
CAS
CSCD
北大核心
2000年第2期66-69,共4页
Chinese Journal of Soil Science
关键词
微生物区系
棉花
土壤微生物
氮肥
磷肥
Nitrogen fertilizer
Irrigation
Grey desert soil
Microflora
