请输入您要查询的字词:
单词
Irrigation warping soil
释义
Irrigation warping soil
Encyclopedia
农学
灌淤土
释
Irrigation warping soil
灌淤土
干旱与半干旱地区长期受灌溉水夹带的泥砂等悬移物淤积并经耕种、扰动、培肥而形成的人为土壤。1978年在南京召开的中国土壤学会土壤分类会议正式定名。1984年第2次土壤普查定为人为土纲灌淤土土类。在中国土壤系统分类(修订方案,1995)中,列为人为土纲旱耕人为土亚纲灌淤旱耕人为土土类;在中国土壤系统分类(2001)中,相当于灌淤旱耕人为土[注]或灌淤干润雏形土[注];在美国土壤系统分类(1999)中,部分相当于堆垫人为始成土[注];在联合国世界土壤资源参比基础(WRB,2014)中,相当于人为土土类灌淤人为土单元[注]。
随便看
Law of Argentina No.22208
law of associativity
law of banditry
law of Beer
law of bid invitation and submission
law of Brewster
law of broadcasting expression
law of buddhism
law of cancellation
law of categorical syllogism
law of causation
law of chance
law of closure
law of collision
law of combination
law of combining volume of gas
law of combining weight
law of combustion heat release
law of common fate
law of commutation
law of commutativity
law of complementation
law of composition
law of compound transposition
law of conservation and transformation of energy
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:2026/9/15 22:14:27