Ryegrass winter cropping increased soil urase activity and zymose activity for 7 times and 9 %,respectively.
Ryegrass winter cropping increased soil urase activity and zymose activity for 7 times and 9 %,respectively.
在证实冬种黑麦草改善土壤理化性状的同时，研究对土壤生物性状的影响，结果表明：冬种黑麦草增加了土壤酶的活性，使脲酶活性提高了．7倍，转化酶活性提高了9．％；