Such equilibrium may be reached under some soil conditions when the soil contains less than 1% of organic matter; under other conditions there may be 10% or more. Under very extreme conditions, where drainage and soil aeration may be unsatisfactory, the soil may contain more organic matter than...
Content-of-Soil-Organic-Matter 例句 释义: 全部 更多例句筛选 1. Effects of Artificial Chinese Seabucksor Forest on the Content of Soil Organic Matter and Total Nitrogen in DaTong County of QingHai 青海大通中国沙棘人工林对土壤有机质和含氮量的影响 www.ilib.cn©...
Standard laboratory analytical procedures were followed and the results showed that soils in the depression and upper foot slope had organic matter content of 2.11 and 2.10% respectively while the middle foot slope had 0.67% at the surface. This is attributed to the concave nature of the surface...
Instead of containing stable and chemically unique ‘humic substances’, as has been widely accepted, soil organic matter is a mixture of progressively decomposing organic compounds; this has broad implications for soil science and its applications. The
Instead of containing stable and chemically unique ‘humic substances’, as has been widely accepted, soil organic matter is a mixture of progressively decomposing organic compounds; this has broad implications for soil science and its applications. The
A. Organic matter B. Minerals C. Water D. Air 相关知识点: 试题来源: 解析 D。解析:土壤的组成成分中,矿物质(B选项)主要来源于岩石圈;有机物(A选项)主要由生物遗体分解而来,与生物圈关系密切;水(C选项)虽然与大气圈中的水循环有关,但土壤中的空气(D选项)主要直接来自于大气圈。反馈...
In two field experiments conducted over five successive sugarcane crops (including four ratoon crops), yield decline was associated with a decrease in the organic carbon content of the soil. Reduction in cane yield was minimized by the combined application of farmyard manure and urea, which resulted...
1. 土壤有机质含量 ... ) organic matter 有机质含量 ) soil organic matter content 土壤有机质含量 ) Topsoil organic content 表层有机质含量 ... www.dictall.com|基于2个网页 例句 释义: 全部,土壤有机质含量 更多例句筛选 1. Soil organic matter content and the nature of polycyclic aromatic hydr...
In order to determine the supply of soil organic matter in jujube garden from Yellow River of Yulin,Shaanxi Province,the content of organic matter in the soil surface layer was determined by hydration-hot method in this study.The results showed that the organic matter contained in the soil from...
土壤有机质含量测定（Soil organic matter content determination）DOC documents may experience poor browsing on the WAP side. It is recommended that you first select TXT, or download the source file to the local view.Determination of soil organic matter Potassium dichromate volumetric method -- external...