Soil humus

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

Effect of Organic Matter on Soil Humus Constitution and Nitrogen State

有机质对土壤腐殖质组成及其氮素状况的影响

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

土壤腐殖质的降解及其结构

The Study on Formation and Transformation of Soil Humus under Special Incubation Condition

特定培养条件下土壤腐殖质形成与转化的研究

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

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

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 Study on the Relationship of between Soil Humus and Anti-erosion Ability of Soil Aggregate

土壤腐殖质与土壤团聚体抗侵蚀能力的关系研究

Planting forage affect soil humus , reduce the function of soil aluminum poison .

种植牧草影响土壤腐殖质组成，降低土壤铝毒作用。

Research on MTBE Fractionation Regularity Studies on Fractionation of Soil Humus

土壤腐殖质分组研究

Change in soil humus during degradation of grassland

草场退化中土壤腐殖质的变化

Effects of long-term localized fertilization on soil humus combining form in sheltered vegetable field

长期定位施肥对保护地土壤腐殖质结合形态的影响

Effect of Crop Stubbles on Comb in e State of Soil Humus

作物根茬对土壤腐殖质结合形态的影响

Study on Composition and Characteristics of Soil Humus under Alpine-arctic Meadow Vegetation

高寒草甸植被土壤腐殖质组成及性质的研究

Responses of Fractions of Soil Humus to Free - Air CO _ 2 Enrichment

土壤腐殖质组成对大气二氧化碳浓度升高的响应

The manure with high carbon contain had better results in organic inorganic complexity and soil humus united pattern ;

高碳类有机肥对土壤有机无机复合状况及腐殖质结合形态有较好的效果；

Soil Humus and Fertility Characteristic of the Management Pattern of Planting Broadleaf and Chinese Fir Alternatively

杉阔轮栽模式土壤腐殖质及肥力特性

It would be important to increase soil humus content to alleviate the pollution and enhance the soil self-purification .

提高土壤腐殖质含量是减轻污染危害及增强土壤自净能力的重要措施。

Influence of 3 factors of light condition , thickness of soil humus and neighboring trees were introduced in this paper .

本文对其中的光照条件、土壤腐殖质层厚度和相邻木等3个林木空间结构因子进行了研究。

It is advantageous to release the nutrients to accumulate and form the soil humus .

有利于土壤养分的释放及腐殖的形成和积累；

Effects of long-term fertilization on soil humus carbon and nitrogen fractions in a wheat-maize cropping system

长期施肥对小麦-玉米作物系统土壤腐殖质组分碳和氮的影响

Study on soil humus and Fertility Characteristic in the 29 year old plantations of Chinese fir on different rotations

不同栽植代数29年生杉木林土壤腐殖质及结合形态的研究

Study on Soil Humus and Fertility Characteristic of the Management Pattern of Planting Broadleaf with Reserving Chinese Fir

留杉栽阔模式林分土壤腐殖质及肥力特性研究

The effect of edible FUNGI-GRAIN-VEGETABLE interplantation on soil humus and soil physical properties

菌粮菜间套种植对土壤腐殖质状况和物理性质的影响

Of the soil humus , the components make direct contributions to the formation of soil fertility and aggregates .

在土壤腐殖质中，腐殖质组分对土壤肥力和团聚体形成有直接的贡献。

There are few studies on the effect of crop root systems on the composition , particularly on the heavy fraction of soil humus .

本文对黑钙土、黑土中各种作物根茬留茬与否对土壤腐殖质、土壤重组有机质的组成、结合形态及某些光学性质进行了测定。

HA / FA showed the composition of soil humus which was mostly below 1.0 , this meant humus was mainly composed of FA .

土壤腐殖质组成：HA／FA大多小于1.0，即一般以富里酸（FA）为主。

The results showed that long term fertilization affected not only the content and composition of soil humus , but also the physico chemical property of the soil humus .

结果表明，长期施肥不仅影响土壤腐殖质的含量与组成，还影响腐殖质的理化性质。