摘要
INTRODUCTION There is a close relationship between the transformation of fertilizer-N and the statusof nitrogen nutrition in rhizosphere soils.Previously,Harmsen and Jager(1962)made ananalysis of N and C contents in the rhizosphere soils of upland crops and found thatclose to the root zone there was an enrichment of these substances.Recently,Qin and Liu(1984;1989)investigated the distribution of nitrogen in the rhizosphere of crops after ap-
基金
A part of the project supported by the National Natural Science Foundation of China
关键词
氮肥
小麦
根际土壤
氮素转化
反硝化作用
denitrifying potential, rhizosphere soil, transformation of fertilizer-N, wheat cultivar
