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
non-unitary operator
non-unitary semigroup
non-use value of forest resource
non-vacuous
non-value goods
nonvanishing
nonvanishing function
nonvanishing Jacobian
nonvanishing minor
nonvanishing part
nonvanishing solution
non vanishing theorem
non-vanishing theorem
nonvanishing theorem
nonvanishing vector
non-variable source
non-vascular interventional treatment
non-vehicle operation carrier
non-velocity redshift
nonverbal ability test
non-verbal communication
nonverbal communication
non-vessel operating common carrier
non-vessel operation common carrier
non-village construction land
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:2026/10/30 9:51:03