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1)  precisional fertilizer application
施肥指标
1.
The index system of precisional fertilizer application in cotton fields in north Xinjiang was developed based on the database of soils in the experimental area.
采用精准施肥指标的试验结果表明:(1)与全部化肥一次足量深施比,667m2平均节约化肥费用22。
2)  economical index of fertilizer application
经济施肥指标
3)  fertilization index system
施肥指标体系
1.
In order to increase the income of farmers and agricultural production and also improve the quality of agricultural products,corn fertilizer tests were performed,and the fertilization index system of Weining County,Guizhou Province was established.
为了使农民增收、农业增产、农产品质量提高,故进行了玉米肥效试验,并建立了贵州省威宁县玉米施肥指标体系。
4)  fertilization method based on nutrients rich or defection in soil
养分丰缺指标施肥法
5)  Application index of fertilizer
肥料养分施用指标
6)  exponential fertilization
指数施肥
1.
Application of exponential fertilization to the cultivation of lawn before transplanting.;
指数施肥技术在草坪培育中的应用
2.
Soil potted cultivation experiments, pot exponential fertilization experiments under sand culture and field orthogonal rotary regression fertilization experiments were conducted in this research.
论文通过试验地土壤盆栽试验、砂培盆栽指数施肥试验、大田正交旋转回归施肥试验等方法,通过对比不同试验方法和处理苗木生长、生物量、苗木营养、苗木光合作用、苗木根系生长、土壤营养等变化规律,揭示了欧美杨107杨扦插苗的年度生长规律和需肥规律,研究提出合理施肥时间和合理施肥量,建立了欧美杨107杨扦插苗苗圃育苗的施肥技术体系。
补充资料:养分丰缺指标施肥法
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性质:合理施肥技术方法之一,根据土壤养分测定值与作物产量(或吸收养分量)之间存在较好相关性原理,通过肥效试验,将多点的土壤养分测定值和其相对应的相对产量(空白区产量/全肥区产量×100%),按照国际通用标准,确定该地区某种作物的土壤养分丰缺指标,不同土壤养分丰缺状况反映出施用该肥料的不同增产效果,从而确定合理施肥量和养分配比。

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