soil fertility

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.

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.

Candle burning themselves Gan , Gan chunhua soil fertility.

甘为红烛燃自身, 甘为泥土育春花.

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.

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.

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.

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.

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.

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.

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.

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.

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 ).

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.

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.

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.