北海道有珠郡壮瞥町における未利用資源(家畜糞尿主体)の堆肥化に関する試験--2.家畜糞尿主体で製造された熟度の高い堆肥による作物栽培試験結果

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[Synopsis] The plant promoting effect using by the compost producing in Sobetsu town, showed in this paper. Application of this compost with 30％ suppressing for the application of chemical fertilizer to field, showed that the production mass have increased in all of test crops, potato, broccoli, pumpkin, and sweet corn, 5.8％, 28.2％, 28.9％ and 2.8％ respectively. These results suggested that highly mature compounds promoted plant growth of the test crops and could decrease the application to the field of chemical fertilizer with this compost. This application maybe lead to sustainable agriculture with environmental friendly.