[1]樊军,郝明德.长期轮作施肥对土壤微生物碳氮的影响[J].水土保持研究,2003,10(01):85-87.
　FAN Jun,HAO Ming-de.Effects of Long-term Rotations and Fertilizations on Soil Microbial Biomass Carbon and Nitrogen[J].Research of Soil and Water Conservation,2003,10(01):85-87.
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长期轮作施肥对土壤微生物碳氮的影响

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 10 期数: 2003年01期 页码: 85-87 栏目: 出版日期: 1900-01-01
Title:
Effects of Long-term Rotations and Fertilizations on Soil Microbial Biomass Carbon and Nitrogen
作者:
樊军1,2, 郝明德1
1. 中国科学院水利部水土保持研究所;
2. 西北农林科技大学, 陕西杨陵 712100
Author(s):
FAN Jun1,2, HAO Ming-de1
1. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling 712100, Shaanxi, China;
2. Northwestern Sci-tech University of Agriculture and Forestry, Yangling 712100, Shaanxi, China
关键词:
轮作施肥; 微生物量; 旱地
Keywords:
rotation and fertilization; microbial biomass; dryland
分类号:
S154.3;S158.3
摘要:
就设在黄土高原旱作农耕地上的长期定位试验不同处理土壤微生物量碳氮进行研究，主要就长期不同施肥、种植不同作物及轮作等农业措施对土壤微生物量碳氮的影响进行研究。结果显示：施肥与种植作物提高了土壤微生物量碳氮含量，长期施用土粪肥显着提高微生物量碳氮含量，施化肥与有机肥并种植苜蓿处理微生物量碳氮是长期休闲地的3.7倍，轮作比连作更有利于微生物量碳氮的提高，轮作与有机肥的施用应当是本区提高土壤肥力的主要途径。
Abstract:
The fertilization, crop types and planting ways that affected amount of soil microbial biomass carbon and microbial biomass nitrogen were studied according to the data of a long term experiment.Long term fertilization and planting increased the content of soil microbial biomass carbon (Bc) and microbial biomass nitrogen (Bn).Especially, manure can enhance Bc and Bn significantly.The Bc of treatment applied chemical and manure fertilizers along with alfalfa planted was 3.7 times than that of fallow treatment, therefore rotation and applied manure are main ways that improve soil fertility in this area.

参考文献/References:

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备注/Memo

收稿日期:2002-11-25
基金项目:中国科学院知识创新工程方向项目（KZCX2-413）；国家科技项关项目（2001BA508B18）
作者简介:樊军（1974- ），男，在职博士，主要从事土壤水分，养分利用及其在土壤中的迁移研究。

更新日期/Last Update: 1900-01-01