1) Slow released nitrogenous fertilizer
缓效氮肥
2) slow action nitrogen fertilizer
缓效性氮肥
3) Slow release nitrogenous fertilizer
长效缓释氮肥
4) 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。
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