请输入您要查询的字词:
单词
灌淤土
释义
灌淤土
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
method of lines
method of local variations
method of logarithmic potential
method of magnitude estimation
method of majorant functions
method of majorants
method of majorant series
method of making plaster mould
method of making silicone rubber
method of Markov approximation
method of matching
method of mathematical physics
method of mathematical statistics
method of maximum likelihood
method of mechanical quadrature
method of minimal change
method of minimum square
method of moment distribution
method of moments
method of moments estimation
method of moments, MOM
method of moral education
method of moral evaluation
method of moral practice
method of moving frames
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:2026/4/16 9:14:36