soil humus

用法例句

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

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

This paper studied the effects of different crop stubbles put in soil on soil humus by cultural experiment of churnozem.

通过黑钙土的培养试验，研究了不同作物根茬施入土壤后对土壤腐殖质的影响。

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

Field investigation combined with quantitative analysis was used to study the carbon content of organic matter,compositions of soil humus and their combining forms in rhizosphere and non-rhizosphere soil in Pinus koraiensis plantations(25,45,58,68 years old) and the Pinus koraiensis-Tilia amurensis mixed forest(60 years old).

就土壤腐殖质组成而言,除林龄58 a红松人工林根际土壤和45 a红松人工林非根际土壤外,其他林型土壤胡敏酸含碳量均高于富里酸含碳量;胡敏酸与富里酸比值(HA/FA)在1。

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

Studies on the Role of Microorganism in the Formation and Transformation of Humus;

微生物在土壤腐殖质形成与转化中作用的研究

The Study on the Effect of Microorganism in the Formation and Structure of Soil Humus;

微生物对土壤腐殖质形成及结构的影响研究

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

The Study on the Effect of Organic Matter and Microorganisms on the Formation of Soil Humus;

有机物料及微生物对土壤腐殖质转化的研究

Effect of CO_2 Partial Pressures on Formation and Transformation of Soil Humus;

CO_2和O_2浓度对土壤腐殖质形成与转化的影响

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

The Influence on the Cultivation Fertilizer Measure Differently to Several Kinds of Soil Typies Soil Humus in East Guizhou Province;

不同培肥措施对黔东几种土类土壤腐殖质的影响

Study on the Soil Humus Characteristics of the Natural Chinese Pine Forest in Ziwuling Mountain

对子午岭天然油松林群落土壤腐殖质性质的研究

Distribution Behaviors of PAHs(Phenanthrene) to Humic Fractions in Polluted Soil and Mechanism Investigations of Plant Accumulation;

多环芳烃（菲）在土壤腐殖质中的分配及植物对其吸收的机理研究

The Evolution of Humus and Organic Nitrogen Forms and Its Relation of N Supply Capacity in Sheltered Soil;

设施土壤腐殖质和有机氮形态演变及其与供氮能力关系的研究

Soil Organic Matter, Phosphorus and Potassium Fertility of Different Fertilization Systems and Its Effect on Crop Yield;

不同施肥制度土壤腐殖质、磷钾肥力特征及其对作物产量的影响

Dynamic Change in Amounts of Soil Humic and Fulvic Acid during Corn Stalk Decomposition

玉米秸秆分解期间土壤腐殖质数量动态变化的研究

HUMIC SUBSTANCES CHARACTERISTICS OF THE MIXED PLANTATION OF POPLAR AND BLACK LOCUST IN SANDY SOIL

杨树刺槐混交林下沙质土壤腐殖物质特性

Dark, fertile soil containing decaying vegetable matter.

腐殖土含有腐坏的蔬菜等物质的黑而肥沃的土壤

Effect of Different Humic Acid Levels on Soil Characteristics and Leaf Quality of Flue-Cured Tobacco;

不同腐殖酸用量对土壤性状及烟叶品质的影响

Effect of Humic Acid Fertilizer on Soil Properties and Leaf Qualities of Tobacco

腐殖酸对烤烟土壤性状及烟叶品质的影响

Effects of Humic Acid Fertilizer on the Poplar Growth and Soil Properties

腐殖酸肥料对杨树生长及土壤性质的影响