摘要
采用多元回归设计方法 ,研究了灰棕紫泥种植水稻的配肥基本模式 ,推荐施肥比例为 1∶0 .3∶0 .5。
In order to raise paddy rice yield,decrease fertilizer rates,increase the income for the farmer households and control environment pollution caused by inappropriate fertilizer application,a study was made to evaluate different models of combined fertilization for rice crop in grey brown purple soil,which is one of the most important land resources in Chongqing.Multiple regression analysis indicated that the desirable NPK ratio was 1∶0.3∶0.5.
出处
《西南农业大学学报（自然科学版）》
CSCD
2000年第6期542-544,548,共4页
Journal of Southwest Agricultural University
