稻田养鸭、养鱼能明显改善土壤物理性状，提高土壤的通气性。
Raising duck or raising fish in rice field can clearly improve soil physics properties and the soil aeration.
土壤主要营养成分及土壤物理性状则有随林分密度降低而改善的趋势。
Conversely, the nutrition and soil physical property were enhanced with the decrease of density.
结果表明，造纸黑液适量施用能改善土壤物理性状，增加土壤有机质含量和氮、钾含量；
Results show that the proper application of black liquor of papermaking can improve the soil properties and increase the contents of organic materials, N and K in soil.
但生产内容单调，多数为纯粮型种植结构，经济效益不高，不利丰富社会产品和改善土壤物理性状。
But the low benefit of mono - cereal cropping structure is their main weak point which are unfavourable for providing plentiful agricultural products and improving the physical character of soil.
结果表明：生草可改善土壤物理性状，使土壤容重平均降低5.68%，总孔隙度提高6.15%。
The results indicated that green coverings improved soil physical characteristics, soil bulk density decreasing by 5.68% and the soil porosity increasing by 6.15%.
四种改良剂均能不同程度的改善土壤物理性状，能降低土壤容重，提高土壤总孔隙度，加快渗透速度，增加田间持水量。
Four kinds of amendments can improve soil physical properties. Soil bulk density decreased, soil porosity, permeability coefficient and field capacity increased under treatments.
利用生态学原理对灌木林的土壤物理性状、水文效益、抗旱性能进行分析研究，得出在干旱瘠薄山地灌木资源的扩大利用有广阔的前景。
The principles of ecology are used to analyse physical properties of soils in shrub forests, hydrolic benefits and drought resistances thereby to conclude…
研究评价高尔夫球场果岭根系层配方土壤的物理性质及对草坪性状的影响，对指导我国高尔夫球场草坪建设具有实际意义。
Evaluating the effects of putting green rootzone mixtures on soil physical properties and the turfgrass performance is of great immediate significance to golf course construction.
受土壤温度等物理性状的影响，免耕地作物生物量及产量明显不如翻耕地。
Effected by soil temperature and the other physical properties, the biomass and yield are less under no-tillage than that under plow tillage.
四种灌木林地土壤的物理性状明显优于荒坡地。
The soil physical properties of the bush forestlands are better than barren slope obviously.
松土可改善土壤的物理性状，土壤含水率和土壤总孔隙度增加。
Soil loosing can improve the physical characters and raise water content and porosity of range soil.
而物理性状（除土壤板结外）基本是良好的土壤物理构造。
The physical structure of the soil basically showed favourable characteristics except for hardening.
林地土壤的总孔隙度都比荒地高，表明林地土壤的物理性状和结构要优于无林地。
The results showed that the structures and physical characters of forestland better than that of the wasted land. (5)There were obvious permeability differences in different planting forestland.
覆草后土壤的物理性状也得到改善，土壤容重降低、田间持水量和孔隙度提高。
The physical character of soil was also improved after covering straw. The soil bulk density was reduced. Field moisture capacity and porosity percentage were increased.
覆草后土壤的物理性状也得到改善，土壤容重降低、田间持水量和孔隙度提高。
The physical character of soil was also improved after covering straw. The soil bulk density was reduced. Field moisture capacity and porosity percentage were increased.
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