1) water-absorbent slow release nitrogen fertilizer
保水缓释氮肥
1.
State and retention characteristics of water in hydrogel of water-absorbent slow release nitrogen fertilizer;
保水缓释氮肥水分状态与吸持特征研究
2) Water retaining and slowly-release fertility
保水缓释肥
1.
The study of the new type water retaining and slowly-release fertility, which can help plants preserve water, is to solve the problems that arid agricultural regions are short of water and nutrients.
为了解决干旱作物农业地区养分不足和水资源短缺的问题,研究新型保水缓释肥,采用药用植物板蓝根为试验对象进行试验,对其保水效应及板蓝根生长状况进行观察分析,结果表明,新型保水缓释肥对促进药用植物板蓝根生长作用明显。
3) Slow-release nitrogen fertilizer
缓释氮肥
1.
A pot experiment was conducted to study effects of two kinds of slow-release nitrogen fertilizer made by ourselves on the spinach and cherry radish.
采用盆栽试验的方法研究了自制的缓释氮肥在菠菜和樱桃萝卜上的应用效果。
2.
Four slow-release nitrogen fertilizers (SRFs) were tested under field experimentation in two years to investigate their response to lowland rice yield, to evaluate their effect on N use efficiency and to understand their influence on soil ammonium and nitrate content.
结果表明:1)4种供试缓释氮肥中的两种增产效果大于尿素,另外两种小于尿素。
6) Slow/controlled release water-storing fertilizers
保水缓/控释肥料
1.
In the article,a review was given on method and process of fertilizers combined with hydrogels,interaction of fertilizer nutrients with hydrogels and its research methods,and interactive effects of water and nutrients of hydrogels or slow/controlled release water-storing fertilizers(SRWAFs/CRWAFs) applied to soils,and existing pr.
该文主要对保水剂与化肥的复合方式与工艺,保水剂与肥料养分相互作用及其研究方法,以及保水及保水肥料应用的水肥效应方面的进展进行综述,并指出了保水缓/控释肥料研究存在的问题和今后努力的方向。
补充资料：缓释氮肥
分子式：
CAS号：
性质：也称控释氮肥(controlled release nitrogen fertilizer)。由于化学成分改变或表面包涂半透水性或不透水性物质而使其中有效养分缓慢释放，保持较长肥效期的氮肥。它的重要特性是可以控制养分的释放速度。合成缓释氮肥的品种有脲甲醛、草酰胺等。包膜的氮肥品种有：硫黄包膜肥料、聚合物包膜肥料等。
CAS号：
性质：也称控释氮肥(controlled release nitrogen fertilizer)。由于化学成分改变或表面包涂半透水性或不透水性物质而使其中有效养分缓慢释放，保持较长肥效期的氮肥。它的重要特性是可以控制养分的释放速度。合成缓释氮肥的品种有脲甲醛、草酰胺等。包膜的氮肥品种有：硫黄包膜肥料、聚合物包膜肥料等。
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