1) Nitrogen-potassium fertilizer
氮钾肥
1.
Effects of top application of inorganic nitrogen-potassium fertilizer with different formulas on the growth, yield and quality of an overwintering tomato cultivars were studied in this paper.
结果表明,氮钾肥合理配施可维持番茄植株营养生长与生殖生长的平衡,促进植株生长;氮钾肥适宜配比可增加番茄座果数与单果重,提高番茄产量;并增加番茄果实中Vc、还原糖与有机酸的含量,改善果实品质。
2) nitrogen and potassium fertilizers
氮钾肥料
3) NPK
氮磷钾肥
1.
The result indicated that N had the most effect on the yield of hot cluster red pepper in NPK and there was obvious interaction between N and P.
采用三元二次正交旋转组合设计方法,研究了氮磷钾肥对天鹰椒型干辣椒产量的影响,建立了相应的回归方程。
2.
By means of orthogonal tyrotational combination design,a three-factor(NPK)substrate cultivation experiment was conducted on N P K content for soilless culture of Malus domestica Winter Red Fruit ,and the regressive equation was estab- lishad between the application level of N P K and chlorophyll content in leaf and anthocyanin content in fruit.
采用三元二次回归正交设计方法,研究了冬红果无土栽培营养液中氮磷钾肥对叶片叶绿素含量及果实花青素含量的影响,建立了相应的回归方程。
4) Nitrogen-potassium topdressing
氮钾追肥
5) potassium nitrogen fertilizer
钾氮肥
6) potassium-ammonium sulfate fertilizer
钾氮混肥
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