The differences of soil organic matter content and the characteristics of component of humic substances between the larch plantations at different development stages and natural secondary forests, young stands in the first rotation and i.
对落叶松人工纯林不同发育阶段幼龄林、中龄林、近熟林、成熟林及二代幼龄林土壤腐殖物质组分变化及其对酸度的影响进行研究,以次生林和一代幼龄林为对照,比较不同发育阶段落叶松人工林与天然次生林、一代幼龄林与二代幼龄林土壤有机质含量、腐殖物质组分特征的差异。
Relationships of Humus Compositions and Fertility under Long term Fertilization on Lou Soil and Yellow Loamy Soil
?土和黄绵土长期施肥的腐殖质组分及其与肥力的关系
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
The humus properties and mineral composition of clay have the distinct features of zonality.
腐殖质性质及矿物组成具有明显的地带性烙印。
The final process in organic matter decomposition is known as humification.
有机物分解的最后程序称为腐殖质化。
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
Changes of Humic Components during Agricultural Waste Composting
农业废弃物堆肥过程中腐殖质组成变化
Separation of Humic Acids and Effects of Their Fractions on the Photodegradation of 2, 4-D in Aqueous Environment
腐殖酸的分离及其组分对水中2，4-D光降解作用
the part of the earth's surface consisting of humus and disintegrated rock.
地球表面含有腐殖质和被分解的岩石的部分。
TESTS FOR EFFECT OF SOIL HUMID ACID COMPONENTS ON STRENGTH OF CEMENTED SOFT SOILS
土体腐殖酸组分对水泥土强度影响效果试验
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
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 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 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
degraded humus carbonate soil
退化腐殖质碳酸盐土
true humus calcareous soil
典型腐殖质碳酸盐土
humus clay complex
腐殖质 粘粒复合体
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
Mechanical Separation of Aged Refuse and Characterization of Humic Substances in Leachate;
矿化垃圾筛分与垃圾渗滤液腐殖质性质表征研究