请输入您要查询的字词:
单词
中微量元素肥料
释义
中微量元素肥料
Encyclopedia
农学
中微量元素肥料
释
secondary nutrients and micronutrients fertilizers
中微量元素肥料
中量元素肥料和微量元素肥料的统称。与大量元素氮、磷、钾的含量相比较而言,在作物干物质组分中,钙、镁、硫的含量一般在百分之一到万分之一,称为中量元素。对于作物来说,含量介于0.2~200毫克/千克(按干物重计)的必需营养元素称为“微量元素”。
随便看
rarefaction wave
rarefied gas dynamics
rarefied gas effects
rarefied plasma
rare gas
rare gas laser
rare gas; noble gas
Rare Isotope Accelerator complex for On-line Experiments
rarely used character
Rarely Used Font Table of Chinese Character Standard (Taiwan Region of China)
rare metal
rare metal; less common metal
rare metal ore deposit
rare minnow
Rare Old Edition of Quyi Qu Book Series · Chaozhou Song Book Volume
rare plant
rare set
rare species
rare variants
Rare Views of Xiao Xiang by Mi Youren
R. Argand
R. Argand (1768—1822)
rarified set of points
RARP
RAS
科学参考收录了854744条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2025/9/2 6:41:34