1) Application index of fertilizer
肥料养分施用指标
2) fertilization method based on nutrients rich or defection in soil
养分丰缺指标施肥法
3) 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。
4) fertilizer application
肥料施用
1.
21 representative vegetable field with different cropping system and time were selected,based on vegetable production and fertilizer application investigated from suburb of Zhengzhou city,and the soil chemical and physical property and nitrate nitrogen concentration in vegetables were determined,the results showed that nitrogen provided by organic nutrient accounted for 47.
在对郑州市郊区蔬菜生产与肥料施用状况进行抽样调查的基础上,选择不同蔬菜种植时间、不同蔬菜种植模式的21个典型样点,对土壤理化性状和蔬菜硝酸盐含量进行测定,结果发现:蔬菜有机肥提供的氮质量分数为47。
2.
Fertilizer application and nutrient balance from 1985 in Yanzhou were discussed in this paper, the results showed that chemical fertilizer consumption was increasing from 1985 to 1993, yet, it changed little after 1993 Wheat yield increased stablely from 1985 to 1997,and decreased after 1997.
以兖州市为例,分析了1985年以来高产粮区的肥料施用和养分平衡状况。
6) fertilizer divided into separate applications
肥粉分两次施用;分几次施肥料
补充资料：养分丰缺指标施肥法
分子式：
CAS号：
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。
CAS号：
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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参考词条