top dressing 根外追肥 ; 追肥 ; 在农作物生长期内追加施肥 ; 顶肥
aerial top dressing 空中施肥
top dressing machine 表层追肥机
Humus top dressing 腐殖质表层肥
fish top dressing 鱼顶修复
V to spread manure or fertilizer on the surface of (land) without working it into the soil 施表肥于
The effects of kinds and amounts of top-dressing on the growth, yield and quality of Jiading garlic at seedling stage were studied.
研究了苗期不同追肥种类和追肥量对嘉定白蒜植株生长、蒜头产量和质量等方面的影响。
Dry matter, Protein and oil accumulations in seeds of soybeans, under different density and nitrogen top-dressing treatments, were studied.
本试验研究了大豆在不同密度和施氮量处理下，子粒中干物质、蛋白质和脂肪积累的动态变化。
Appling molybdenum fertilizer could remarkably reduce accumulation of nitrate in lettuce and you-mai vegetable no matter which pattern of fertilization, basal-dressing and top-dressing.
无论是作底肥还是作追肥，施用钼肥均能显著抑制莴苣、油麦菜的硝酸盐积累。
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