fertilizer application ratio 配肥率
opening to application ratio 就业职位求供比率
job opening-to-application ratio 职位供求比率
application of relative variable ratio 相对变化率的应用
ratio application 配比应用
The research indicated it was gained high biomass on the condition that application ratio of potassium, calcium and magnesium was 1 : 1.05: 0.16, and the yield was 19.17 percent higher than CK treatment.
在本试验的土壤条件下，当K十:ca2+:M才+施用比例比值为l:1 .05:0.16时，获得较高的生物量，与对照相比，增产19.17%。
参考来源 - 烤烟钾、钙、镁互作效应的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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