摘要
通过对土样化验数据的总结发现,土壤中的养分含量状况发生了很大变化,并且不同区块土壤的各种养分含量值的差异也在变化。介绍盘山县土壤氮、磷、钾的基本状况,对土壤养分水平进行分析,提出科学施肥的原则和方法,为当地农业生产提供依据。
The summary of the chemical examination data of the soil sample reveals that there is great change in the soil nutrient contents and there are changes in the difference of soil nutrient contents in different areas.This article deals with the basic conditions of soil nitrogen,the phosphorus,the potassium in Panshan County,makes analysis on the soil nutrient level,and offers principle and method for scientific application of fertilizers so as to provide reference for the local agricultural production.
出处
《农业科技与装备》
2010年第8期8-9,12,共3页
Agricultural Science & Technology and Equipment
关键词
测土配方施肥
土壤养分
特性
施肥原则
soil testing and formulated fertilization
soil nutrient
features
fertilization principle