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1.
Research on Dryland Soil Fertility Index and the Comprehensive Evaluation in the Center of Guizhou
黔中地区旱地土壤肥力指标及综合评价研究
2.
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。
3.
Effect of Cane-leaf Returning Modes on Drought Resistance and Some Soil Fertility of Field;
蔗叶还田方法对宿根蔗抗旱性及一些土壤肥力指标的影响
4.
Soil Fertility Index and Fertility Quality Evaluation of Chinese Fir and Masson Pine Plantation;
杉木、马尾松人工林土壤肥力质量指标与评价
5.
Determination of Fertility Index of Urban Forest Soil in Nanjing City
城市森林土壤肥力质量指标筛选——以南京市为例
6.
The correlation among soil microorganism quantity, enzyme activity and soil nutrient content is the significant, it can be used as evaluation index of soil fertility.
土壤微生物数量、酶活性与土壤养分间呈显著相关关系,可作为评价土壤肥力的指标。
7.
STUDIES ON SOME INDEXES OF ORGANIC MATTER IN BROWN-YELLOW SOILS WITH DIFFERENT FERTILITY LEVELS
不同肥力棕黄土(耕作棕壤)几项有机质指标的研究
8.
Studies on the Indecies of Soil Fertility and Crop Population Development at the Yield Ievel of 700kg Per Mu
冬小麦亩产700kg土壤肥力与群体发展动态指标的研究
9.
Spring Maize Response to Soil Nitrogen Supply and Indices of Nitrogen Recommendation
春玉米对土壤供氮的反应及氮肥推荐指标研究
10.
Study on the Index System of Soil Nutrients in Kuandian County and Fertilization Recommendations
宽甸县耕地土壤养分指标体系研究及施肥建议
11.
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。
12.
Tropical Soil Biology and Fertility
热带土壤生物学和肥力网(土肥网)
13.
Organic fertilizers seemed very effective on improving soil fertility as well as soil properties.
有机肥似乎对改善土壤肥力和土壤性状很有效。
14.
Systematic Study on Soil Nutrient and Establishment of Fertilization Index of Karamay;
克拉玛依中心城区土壤养分状况系统研究及施肥指标的建立
15.
An assessment of response of soil-based indicators to nitrogen fertilizer across four tropical eucalyptus plantations
热带四种按树人工林的土壤指标对氮肥反应的评价
16.
Study on Soil Biological Fertility of Different Fertilization Systems;
不同施肥制度土壤生物肥力特征研究
17.
Analysis of Soil Fertility and Fertility Betterment Measures for Paddy Field in Kaiyuan City
开原市水田土壤肥力分析及培肥措施
18.
The Influence of Soil Algae on Index of Soil Quality;
土壤藻类对土壤质量指标影响的研究