runoff ratioとは 意味・読み方・使い方

Thereby, the lowering of germination ratio can be prevented by decreasing the seeding depth reduction due to runoff of the soil at the top during rainfall and by strongly compacting both the lateral parts, forming furrows having draining actions and promoting the rapid draining in the upper part of the seeds during the rainfall.例文帳に追加

そして、降雨時に頂部の土壌流出により播種深さが減少し、また両側部を強く鎮圧し、排水作用をもつ溝を形成し、降雨時に速やかな種子上部の排水を促すことで出芽率の低下を防止することができる。 - 特許庁

To obtain a herbicide composition preventing runoff into rivers and streams, different from conventional pretreatment agent in rice transplanting and capable of removing simultaneously both winter weeds and weeds growing in impounded paddy field with one spraying by including a specified foliage applied herbicide and a specified soil applied herbicide at a specified ratio.例文帳に追加

水田において、耕起前に施用する非選択性茎葉処理型除草剤の殺草効果を増強し及び／又は殺草速度を向上させ、並びに、水稲の播種／移植前に施用される土壌処理剤の河川への流亡等の環境汚染の問題を回避し且つ安定した除草効果を達成し得る、新規な水田雑草防除方法及び水田雑草防除用除草剤組成物を提供する。 - 特許庁