The community structure and dynamics of soil water of Pinus sylvestris var. of the mongolica plantation were studied in a growing season.

对樟子松人工林群落结构和土壤水分动态进行研究。

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A field experiment was conducted to study effects of root pruning at returning green stage on population structure, soil water and yield formation of winter wheat.

通过田间试验研究了返青期不同程度根修剪处理对冬小麦群体结构、土壤水分及产量形成的影响。

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In this paper, the effects of elevated CO2 on soil microbial community structure, soil microflora, soil respiration, soil microbial biomass, and soil enzyme activities were summarized.

本文从土壤微生物群落结构、微生物区系、土壤呼吸、微生物生物量以及土壤酶活性方面对大气高浓度CO2的响应进行了综述。

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Another recent study found that a single tillage does not harm yield or soil structure in land that is normally not tilled.

VOA: special.2010.09.28

Over a two-year experiment, we saw that there was a change in the soil structure as a result of a wetting and drying of the soil in clay-rich soils, and that can increase the amount of structure and hence storage of water.

BBC: Hybrid grass 'could reduce flooding impact'

Dr Bowden and his colleagues also hope to understand the impact of thermokarst activity on the structure of the soil, and its nutrient content.

ECONOMIST: Global warming and the permafrost

The project aims at providing comprehensive information on the present condition of the structure of Jam Nizamuddin Tomb and soil condition for a proper conservation and restoration of the structure.

UNESCO: CULTURE