The function of forest floor on water conservation, nutrient supply, promoting biological respiratory intensity and soil development are discussed.
探讨了森林地层在水土保持、养分供应、促进生物呼吸强度和土壤发育等方面的作用。
The paper introduces the development trend of water conservation enterprises is certainly along green water conservation, the superiority and function of which in environment construction.
本文就水土保持行业在生态环境建设中的优势和作用，阐述了水保绿化企业化的必然发展趋势。
But the big function of soil and water conservation and the improvement of soil texture and seedling nursing have not been studied systematically.
但对它强大的水土保育功能(抑制水土流失、改善土壤质地)，以及与水土保育相关联的幼苗保育功能等方面研究较少。
Boundary and assessment for major engineering with the function of soil and water conservation can reflect the basic idea of "prevention in the first place and integrating prevention with control".
对主体工程具有水土保持功能的工程的界定和评价，可以体现“预防为主，防治结合”的基本理念。
Under the similar site condition, the secondary forest and the mixed plantations had greater water conservation function and better maintenance of soil fertility than the pure stands did.
在相同的立地条件下，天然次生林和混交林具有更好的维持地力作用和更高的水源涵养功能。
The oak tree has the supper strong function of water and fertilizer conservation.
柞树又具有超强的保水保肥功能。
The oak tree has the supper strong function of water and fertilizer conservation.
柞树又具有超强的保水保肥功能。
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