1) fertilizer benefit
肥料效益
1.
Effects of fertilization on nutrient absorption,yield and fertilizer benefit of maize
施肥对玉米养分吸收利用、产量及肥料效益的影响
2) economic benefit of potash
钾肥效益
3) response to sulphur fertilization
硫肥效益
4) fer tilizer effciency
化肥效益
5) benefit of N fertilizer
氮肥效益
1.
It showed that,the absorption and accumulates of nitrogen increased with the increase of nitrogen rate,while the production value,NUE and benefit of N fertilizer decreased after increased,the maximal value of PE and benefit of N fertilizer emerged when the nitrogen rate was 135 kg·hm-2,and the maximal production value occurred when the nitrogen rate was 210 kg·hm-2.
探讨了不同施氮量下马铃薯氮肥利用率的变化、氮肥效益以及马铃薯整个生育时期氮素的吸收分配规律。
6) fertilizer effect
肥料效应
1.
Research on the fertilizer effect for late-cropping hybrid rice;
杂交晚稻田间肥料效应研究
2.
A "3414" fertilizer effect experiment of peanut
花生“3414”肥料效应试验
3.
Potato's "3414" fertilizer effect experiment
马铃薯“3414”肥料效应试验
补充资料:铵磷钾肥
铵磷钾肥是用磷酸铵、硫酸铵和硫酸钾铵不同比例混合而成,养分含量有12-24-12(s),10-20-15(s),10-30-10(s)等多种,是三元氮磷钾混合肥料。现在也有在尿素磷铵或氯铵磷酸铵或氯铵普钙的混合物中再加氯化钾制成单氯或双氯的三元氮磷钾混合肥料,因为含氯,不用在烟草等氯敏感作物上。
铵磷钾肥的物理性状良好,易溶于水,易被作物吸收利用。它以作基肥为主,也可作早期追肥。不含氯的混合肥料,目前主要用在一些忌氯作物上,施用时可根据需要选择其中一种适宜的养分比例或在追肥时用单质氮肥进行调节。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条