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植物混摻物對(duì)甘肅景泰砂壤土入滲過(guò)程的影響
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王燕，講師，主要從事農(nóng)業(yè)水土工程研究，Email: wangyan [email protected]

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日本日立建機(jī)株式會(huì)社資助項(xiàng)目和蘭州理工大學(xué)博士基金資助項(xiàng)目（0906ZXC121）


Impacts of Plant Additive on the Infiltration with Sandy Loam
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    摘要:

    通過(guò)室內(nèi)試驗(yàn)，研究了不同混摻物及不同混摻比例對(duì)土壤水分入滲特性及濕潤(rùn)體含水量分布 規(guī)律的影響。結(jié)果表明：指數(shù)函數(shù)能較好地描述含有混摻物的土壤水?dāng)U散率；添加一定比例 混摻物的土體能有效延長(zhǎng)水分對(duì)耕層土壤的濕潤(rùn)，增大水分在耕層的滯留時(shí)間；混摻3%玉米 葉處理和1%玉米葉處理能夠有效提高耕層土壤含水量。

    Abstract:

    Through laboratory experiments, the soil moisture infiltration characteristics a nd the distribution rule of soil moisture in wetting front are studied under the condition of different additives and proportions. Results show that the relatio nship between soil moisture diffusivity and soil water content can be better de scribed by an exponential function. The soil with a certain additive can prolong the time of high moisture in the arable layer. The treatment with 3% and 1% mai ze leaf can improve soil water content effectively. The results can provide an e ngineering method for large scale soil improvement. 

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王 燕,鄭 健,冀 宏,樊新建,張衛(wèi)勇.植物混摻物對(duì)甘肅景泰砂壤土入滲過(guò)程的影響[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2010,41(1). Wang Yan yong,Zheng Jian, Ji Hong, Fan Xinjian, Zhang Wei. Impacts of Plant Additive on the Infiltration with Sandy Loam[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(1).

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