Establishment of Index System of Fertilizer Recommendation for Spring Maize in Jilin
Fertilizer effect and test field experiments of maize from 2004 to 2014 in Jilin province were conducted in order to establish the index system of recommended fertilization and to guide the scientific and reasonable fertilization.The contents of soil nutrients(nitrate,available phosphorus and potassium in 0-30 cm soil layer before planting and nitrate in 0-90 cm soil layer in V 10 leaf stage) were divided into different levels and established abundance & deficiency indices of soil nutrients.Recommended fertilizer index system of nitrogen,phosphorus and potassium were preliminary established combining with the target yield,total amount control,real-time and accurate monitoring on the spot by adjusting nitrate on root,which provided certain references for rational scientific fertilizer on maize in Jilin province.
Spring maizeRoot-layer nutrition regulationRecommended fertilizerJilin province
NETL
NSTL
万方数据
维普
