In field experiments, the effect of nitrogen application on 15N absorption and distribution of Longjing 31 and Kongyu 131 rice varieties was studied by ^15N isotopic trace technique. The results showed that nitrogen a...In field experiments, the effect of nitrogen application on 15N absorption and distribution of Longjing 31 and Kongyu 131 rice varieties was studied by ^15N isotopic trace technique. The results showed that nitrogen absorbed by rice plant is the most in the early plant growth, and ^15N accumulation of Longjing 31 grains are higher than Kongyu 131, but stem organ is the opposite; the realtocation and trans- fer efficiency of nitrogen absorbed by rice have an important role to the increasing of Longjing 31 output.展开更多
基金Supported by Major Program of Scientific and Technological Bureau of Heilongjiang Province(GA06C101)Heilongjiang Postdoctoral Fund(LBH-Z13189)Heilongjiang Scientific and Technological Innovation Program(CX2012Z13)~~
文摘In field experiments, the effect of nitrogen application on 15N absorption and distribution of Longjing 31 and Kongyu 131 rice varieties was studied by ^15N isotopic trace technique. The results showed that nitrogen absorbed by rice plant is the most in the early plant growth, and ^15N accumulation of Longjing 31 grains are higher than Kongyu 131, but stem organ is the opposite; the realtocation and trans- fer efficiency of nitrogen absorbed by rice have an important role to the increasing of Longjing 31 output.
