摘要
2009年为摸清不同地力水平玉米产量100.0 kg水平所需养分量、肥料利用率、土壤养分供应量等有关参数,建立玉米丰缺指标体系,进一步完善河南省汝州市农作物施肥指标体系而进行试验。
In order to research different fertilizer level of land that corn yield per 100.0 kg level necessary to raise the utilization of components,fertilizer,soil nutrient supply the relevant arguments,establishment of corn increasing,and further improve the system of indicators with an experiment in Ruzhou city,Henan province.
关键词
丰缺指标
土壤养分
肥料利用率
abudance or deficiency
soil nutrients
rate of fertilizer utilization
