深層追肥がコシヒカリの生育と収量構成要素に及ぼす影響 : 4. 窒素肥料を多施した場合について
Effect of Additional Fertilizer Application to Deeper Layer on Growth and Yield Components of Rice Cultivar Koshihikari : 4. In case of appling more nitrogen fertilizers

Takeshi IKEDA, Seiichi ISHIYAMA
1989 Hokuriku Sakumotsu Gakkaiho  
: The maximum grain yield in past 3 experimental years was about 660g/m2 .1I was suggested the nesessity to depress the decrease of culm number before addi 童iQnal fertilizer application t〔〕 deeper layer and to be higher percentage of fruitful culms for higher yield than before. So 12kg nitrogen per lOa was applied in this experimen し ( 1 ) The maximum yield was about 760g/ m2 ( M plot ) , the following one about 700g/m2 ( 【 I plot ) , ( 2 ) Such higher yield was produced by the greatest of ear number
more » ... he greatest of ear number
doi:10.19016/hokurikucs.24.0_1 fatcat:t3ozaawwjjg4lftsampvyqwjrq