1.
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。
2.
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
3.
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
4.
Studies on the Fertility Properties of the Paddy Soils with High Yield and Their Degradation;
高产稻田土壤肥力特征及其退化研究
5.
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
6.
Assessing Fertility Evolution of Degraded Red Soils under Different Land Use Patterns
不同利用方式下退化红壤肥力演变的综合评价
7.
Studies on Fertility Properties of Degraded Soils Caused by Continuous Unreasonable Fertilization Practices and Their Restoration;
长期不合理施肥造成的退化稻田土壤肥力特征及其修复研究
8.
The Effect on Eroded Latosolic Red Soil Fertility of Hillside with Different Ecology Restoration Measure;
侵蚀退化赤红壤不同生态恢复措施土壤肥力的变化
9.
Effects of Restoring Heteropogon Contortus Community on Structure, Moisture & Fertility of Degraded Xerothermic Soil;
封禁恢复扭黄茅群落对退化燥红土土壤结构、水分和肥力的影响
10.
Effects of fertilization on grass community diversity and productivity of degraded alpine grassland at Maqu,in South of Gansu Province
施肥对甘南高寒草甸退化草地植物群落多样性和生产力的影响
11.
Effect of nitrogen fertilization on the vegetation structure and biomass of degraded meadow and soil fertility
施氮对退化草甸植被结构和生物量及土壤肥力的影响
12.
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
13.
adiposogenital syndrome
肥胖性生殖器退化综合征
14.
Continual unbalanced fertilization practices degrade the soil resource base and create a downward spiral of less and less production potential.
长时间的不平衡施肥措施是土壤资源退化，并产生一个生产潜力越来越低的恶性循环。
15.
Landscape Assessment and Soil Fertility Quality Analysis of Ecological Restoration Exemplary Area in Chongqing Municipality;
重庆市生态修复示范区退化生态系统景观评价与土壤肥力质量分析
16.
Evaluation on soil ecologic fertility quantity during vegetation succession of degraded karst--A case study in Huajiang valley,Guizhou
退化喀斯特植被恢复过程中土壤生态肥力质量评价——以贵州花江喀斯特峡谷地区为例
17.
I definitely felt a deterioration in vigor.
我自感体力已退化了。
18.
The Effect of Several Fertilization Practices on Restoration of the Degraded Gleyed Paddy Soils;
几种施肥措施对退化潜育性稻田的修复效应