humus

Earthworms consume large amounts of soil , and produce a rich humus , perfect in texture .

蚯蚓吃下大量土壤，排出肥力丰富、物理结构理想的腐殖质。

Study on the properties of soil humus under various cropping systems

不同连作、轮作复种下土壤腐殖质性质的研究

Incidence of field soil > humus soil > sand soil .

优势菌出现的早晚与土壤温度有关，且大田土发病率＞腐殖质土＞河沙土；

Study on Pollutant Removal Efficiency of Humus Soil Activated Sludge Process

腐殖土强化活性污泥工艺的除污效果研究

Humus soil is the best culture substrate for Chinese pine .

腐殖质土是培育油松苗的很好基质。

Effects of Different Fertilization Treatments on Humus Composition of Black Soil

不同施肥处理对黑土腐殖质组成的影响

Elementary Exploration of Separation , Extraction and Structural Analysis of Soil Humus

土壤腐殖质的降解及其结构

Effect of humus content on filled column processing performance

腐殖质含量对填料净化污水效能的影响

Preliminary study on the content and composition of humus in the Yellow Earth

黄壤腐殖质状况及其在耕垦过程中变化的初步研究

Composition properties and effect factors of humus in high-yield field in Shandong Province

山东高产粮田腐殖质组成特征及影响因子研究

Effect on humus acid carbon of soil .

对土壤腐殖酸碳的影响。

The top layer of a soil profile ; usually contains humus .

土壤层中的顶层；通常含有腐殖土。

Study of Humus in Soil from Regularly Tilled Field by High Magnetic Field

长期规律耕作土壤腐殖质的高分辨核磁共振研究

Property and composition of humus in several main types of soils in Shandong

山东省几种主要土壤类型腐殖质组成及性质的研究

Effects of humus on the plant activity of mineral bound Hg

腐殖酸对矿物结合汞植物活性的影响

The effect of parent material on the newly formed humus

母质对新形成腐殖质的影响

Study on the humus in brown forest soils under different vegetations

关山不同植被下山地普通棕壤腐殖质研究

Drying oven digestion method for determining the organic carbon of soil humus

电热干燥箱恒温加热法测定土壤腐殖质的含碳量

Dynamic Change of Soil Combined Humus in Cinnamon Soil under Different Fertilizer Regimes

不同施肥制度下褐土结合态腐殖质动态变化

The distribution of Soil Humus in black soil aggregates under incubation

培养条件下土壤腐殖质在黑土团聚体中的分布

Composition and Humus Characteristics in Organo - Mineral Complex of Soil

土壤胶散复合体组成及其腐殖物质特征的研究

The result showed that long-term fertilization promoted accumulation of humus composition ;

结果表明长期施用化肥可使三种土壤腐殖质各组分积累；

Exploration of Humus Composition and Relations of Capacity proportion between Components of Rice Soil

初探水稻土腐殖质组成与各组分间量比关系

Application of Humus Activated Sludge Process in Japan and the Republic of Korea

腐殖活性污泥工艺在日本和韩国的应用

Influence of Long-Term Fertilization on Humus Composition of Soil

长期施肥对土壤腐殖质组成的影响

Effects of Field Located Fertilization on the Contents and Characteristics of Soil Humus Fractions

田间定位施肥对土壤腐殖质组分数量与特性的影响

The association of pesticide residues with soil humus and its environmental significance

农药与土壤腐殖物质的结合残留及其环境意义

Effect of Several Microorganisms on the Formation of Soil Humus On the Formation of Rights

几种微生物对土壤腐殖质形成的作用

A preliminary study of the impact of humus on Nitrogen Nutritional salts of water quality environment

池塘淤泥对水中氮营养盐影响的初步研究

The variation of composition and nature of every soil type humus vertical distribution is obvious .

各土类腐殖质组成性质垂直变化明显。