馬鈴薯の収量に及ぼす植付時期の影響

山添
1956 Japanese Journal of Soil Science and Plant Nutrition  
・ used in plot expriments ( 1 × 1m ) , and crop − planting − was repeated several times . The results were as 抄 follows : a ) The amounts of water stable aggregate of soils treated with soil conditioners were more than control at 3years after treatment . b ) The ethciency of soil conditioners for the facilitation of germination was observed , But the number of seeds germinated was almost equal through all the pot at twenty days after seeding ( tab工 e 2 ) c ) 「 £ the effe ( : t of soil
more » ... t of soil conditioner for the in − crease of yield of crops i 越 the pot and plot ex } Periments was not observed ( table 3 ) . ( Rceived February 13 , ユ 956 )
doi:10.20710/dojo.27.3_108_1 fatcat:bzmuimp4fjfijouemctoqm5c5i