soil fertility

Improve soil aggregate structure, reduce compaction, improve soil fertility activation.

改良土壤团粒结构, 减少板结, 提高活化土壤肥力.

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Strip check space varies with plot slope, soil fertility and irrigation.

条畦宽度随地块坡度 、 土壤肥力和灌溉而变化.

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Principal component analysis was used to derive soil fertility variation factors.

运用主成分分析选取土壤肥力变异因子.

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It's an effective way to maintain soil fertility.

这是保持土壤肥力的一个有效办法。

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These functional bacteria changes contribute to the decomposition of cellulose material, which are helpful in nutrition enhancement and improve soil fertility, and healthy ecosystem recovery in desert.

这些功能菌的变化有助于纤维索物质的分解，从而增加了结皮中营养物质，提高土壤肥力，对荒漠生态系统的恢复具有积极作用。

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Soil fertility could be evaluated objectively by principal component analysis.

土壤主成分分析能较为客观地评价土壤肥力水平.

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The disquisition about the key programming techniques in soil fertility management information system

土壤肥力管理信息系统的关键编程技术研究

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Study on changes of black soil, fertility after application of farm manure

培肥后的黑土肥力变化研究

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The soil fertility shows a decrease trend in cornea rotation.

玉米、大豆轮作,土壤养分均呈下降趋势.

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The serious effects of sand gold mining on soil fertility were paper.

砂金开采对土壤肥力产生严重影响.

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Evaluation of Waterlogged Soil Fertility by Principle Component Analysis

用主成分分析法评价渍害土壤肥力

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Effect of soil fertility on Photosynthetic Characteristics and yield of lettuce

土壤肥力状况对莴笋光合特性及产量影响的研究

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Research on Management of Soil Fertility Information and Fertilization Decision Support System in Cotton

基于GIS的土壤肥力信息管理及棉花施肥推荐支持决策系统研究

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Analysis of the trace elements and soil fertility variation factors in soil

土壤里的微量元素与土壤肥力变异因子关系分析

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The results suggests, coated materials M2 was better than coated materials M1 in controlling nutrients release rate. The experiment was conducted to study on nutrients release and movement and soil fertility applied by humid acid ( HA) compound fertilizer.

结果表明，膜材料M2的控释性能优于膜材料M1；采用盆栽试验与室内土柱模拟试验方法，研究了腐植酸复合肥中的养分在土体中的释放运移特点以及对土壤的培肥效应。

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The fertilizer can raise soil fertility significantly, and increase the content of organic matter.

有机肥能有效地提高土壤肥力, 并可以有效地促进土壤有机质的增加和更新.

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Therefore microorganism quantity and enzyme activity of soil alsoused as an evaluation index of soil fertility.

土壤微生物数量、酶活性与土壤养分含量之间存在相关关系,可以作为评价土壤肥力的指标.

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The methods involve soil fertility management as well as reduced tillage.

这些方法包括管理土壤肥力和减少耕作.

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The soil fertility shows a decrease trend in cornpea rotation.

玉米、豆轮作,土壤养分均呈下降趋势.

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In order to fertilize the soil fertility, the model of nutrient balance demands that the surplus of N should be over 40% so as to achieve a good nutrient cycle in the oases agro-ecosystem.

为了培肥地力，模式养分平衡要求N盈余在40%以上，以实现绿洲农业生态系统养分良性循环。

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Review on the Influence of Land Use Changes on Soil Fertility

土地利用变化对土壤肥力影响研究进展

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Candle burning themselves Gan , Gan chunhua soil fertility.

甘为红烛燃自身, 甘为泥土育春花.

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Trend of Soil Fertility in the Main Farmland of Hebei Province

河北省主要农田土壤肥力变化趋势

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A green manure is a crop grown mainly to improve soil fertility.

种植绿肥作物主要是为使土壤更加肥沃.

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Effects of Sand Gold Mining on Soil Fertility and Reclamation Techniques in South China

南方砂金开采对土壤肥力的影响及复垦技术研究

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With increase of matter input, the restoration of soil fertility quality was accelerated gradually.

随着物质投入量的增加, 土壤肥力质量的恢复也逐渐加快.

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The different land use patterns affect soil physical property and soil fertility quality.

不同的土地利用方式影响着土壤的理化性质及土壤质量.

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Effect of combined fertilizers application techniques on the black soil fertility

组合施肥技术对黑土肥力影响的研究

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Analysis and Evaluation of Soil Fertility and Soil Nitrogen Supplying Capacity

土壤肥力及土壤供氮性能评价与分析

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Organic standards require soil fertility conservation and promotion of natural enemies ( see above ).

有机标准要求通过天敌保持和改善土壤肥力 ( 见上 ).

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