基肥与追肥之间肥效无显著差异.There was no obvious difference between base fertilizer and after manuring.将矿物材料用于肥料中,可以提高肥效,改良土壤.Fertilizer efficiency can be improved by adding mineral materials.尽管有这些优点, 但常见的施肥措施造成尿素肥效不高.Despite these a...
By communication several devices can run online to be controlled dispersedly and managed centrally.通过通讯可以实现装置的联网运行,做到“分散控制、集中管理”.It is big market and the contradiction that manage dispersedly are highlighted increasingly...
All I could hear was the steady clacking of a solitary typewriter.我所能听到的一切是一部孤零零的打字机不断发出的噼啪声.She heard his footsteps clacking along the concrete pavement.她听到他的脚步声啪嗒啪嗒地沿水泥人行道走去.Stop clacking your pencils!别弄得铅笔噼啪乱响!...
It is antagonistic abscisic acid in abscission.在脱落过程中生长素与脱落酸有拮抗作用。Abscission of the tightly rolled , needlelike tips of the injured leaves quite often occurred.受毒害叶片经常出现针状的叶尖从蜷缩部分脱落下来.Objective : To introduce a way of ep...