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。
Relationships Between Soil Humus Composition and Available Microelement Content in Rubber Plantation
橡胶人工林地土壤腐殖质组成与有效态微量元素含量的研究
STUDY ON THE EFFECT OF CROP ROOT SYSTEMS ON SOIL FERTILITY Ⅱ. EFFECT OF CROP ROOT SYSTEMS ON THE COMPOSITION OF SOIL HUMUS
作物根茬对土壤培肥作用的研究——Ⅱ.作物根茬对土壤腐殖质组成的影响
Effects of Corn Stalk Application on the composition and Optical properties of each component of humus in Soil Aggregates
添加玉米秸秆培养对土壤团聚体中腐殖质组成和性质的影响
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
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
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
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
A hole about 1.25 cm deep should be made into a soil of friable loam soil with a high humus content.
一个大约1.25厘米深的洞、应该做成一易碎肥土土壤或者高腐殖质的土壤。
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
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
EFFECTS OF LONG-TERM CORN STALK APPLICATION ON THE COMPOSITION AND PROPERTIES OF HUMUS IN BLACK SOIL AGGREGATES
长期施用玉米秸杆对黑土团聚体中腐殖质组成和性质的影响
EFFECTS OF EXTRANEOUS HUMIC ACIDS ON INORGANIC PHOSPHORUS FRACTIONS IN THREE DIFFERENT SOILS
外源腐殖酸对三种土壤无机磷组分的影响
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
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 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