1.
Effects of Organic Manure and Inorganic Fertilizer Combination on Increasing Fertility of Black Soil
有机肥与化肥配施对黑土肥力的影响
2.
Study on Mechanism of Structure Degradation and Fertility Evaluation of Black Soil in Jilin Province;
吉林省黑土肥力质量评价及结构退化机理研究
3.
Through field investigation and soil fertility index analysis, causes and mechanism of fertility degradation of black soil in the Songliao Plain were explored.
通过田间调查和土壤肥力指标分析，探讨了松辽平原玉米带黑土肥力退化的原因和机理。
4.
Influence of present farming system of corn belt on fertility degradation in Jilin Province
吉林玉米带现行耕作制度对黑土肥力退化的影响
5.
Study on Characteristics of Physical Fertility of the Corn Belt Pheaozem in Jilin;
吉林玉米带黑土的物理肥力特性研究
6.
Effect of fertilization on fertility and nitrate accumulation of black loessial soil of dry land in Loess Plateau
施肥对黄土旱塬区黑垆土土壤肥力及硝态氮累积的影响
7.
Phosphorus Fertility Charateristics of Black Soil under Different Land Uses;
不同土地利用方式下黑土磷素肥力特征的研究
8.
Effect of Long-term Different Fertilization Ways on Soil Enzyme Activities and Fertility in Dryland Black Humus Soil in the Loess Plateau
长期不同施肥方式对黄土高原旱地黑垆土土壤酶活性及其肥力的影响
9.
The Relation of N and P Nutrient Character in Phaeozem Surface Runoff and Fertility Degeneration;
黑土地表径流氮磷养分特征及其与肥力退化的关系
10.
EFFECT OF LONG-TERM FERTILIZATION ON ACTIVITY AND COMMUNITY STRUCTURE OF SOIL MICROBE IN FARMLAND MOLLISOL
长期施肥对农田黑土微生物活力与群落结构的影响
11.
black leather jackets; as black as coal; rich black soil.
黑色的皮夹克；像煤一样黑；肥沃的黑土地。
12.
Tropical Soil Biology and Fertility
热带土壤生物学和肥力网(土肥网)
13.
Variation of Soil Enzymes Activity and Relevant Nutrients at Different Years of Soybean(Glycine max L.)Rotation,Alternate and Continuous Cropping
寒地黑土大豆轮作与连作不同年限土壤酶活性及相关肥力因子的变化
14.
The soil is very dark, rich and wet.
土壤是黑色的，肥沃和潮湿。
15.
a rich black loam of India.
印度的一种肥沃的黑色沃土。
16.
a rich black loam of Russia.
俄罗斯的一种肥沃的黑色沃土。
17.
Study on the Effect of Fertilizing Management on Nitrogen Transition in Phaiozems;
培肥方式对黑土氮素转化影响的研究
18.
After having occupied previously the high fertility soils, sugarcane is now moving toward low fertility soils.
以前甘蔗占用高肥力土壤，现已转向低肥力土壤。