本文關(guān)鍵詞： 砂質(zhì)中低產(chǎn)田 黃河泥沙 土壤質(zhì)地結(jié)構(gòu) 含水率 產(chǎn)量　出處：《中國(guó)農(nóng)村水利水電》2017年07期 　論文類型：期刊論文

【摘要】：通過開展砂質(zhì)中低產(chǎn)田土壤質(zhì)地改良小區(qū)試驗(yàn),研究了從黃河河道抽取黃河泥沙改良砂質(zhì)土壤質(zhì)地的效果,從而分析得出使用黃河泥沙的數(shù)量和提高小麥產(chǎn)量之間相關(guān)關(guān)系,通過在砂土中摻加高黏黃河泥沙試驗(yàn),對(duì)比研究了土壤質(zhì)地和含水率的變化情況。結(jié)果表明,砂質(zhì)土壤中摻加高黏黃河泥沙,改變了土壤質(zhì)地結(jié)構(gòu),提高土壤保墑能力,增強(qiáng)持水性。同時(shí)在土壤質(zhì)地改良的基礎(chǔ)上測(cè)試了摻加高黏黃河泥沙不同比例對(duì)小麥產(chǎn)量變化的影響,摻量少的試驗(yàn)小區(qū)小麥產(chǎn)量未見明顯提升,摻量大的試驗(yàn)小區(qū)小麥產(chǎn)量顯著提升,可以達(dá)到未改良土地小麥產(chǎn)量的2倍以上。
[Abstract]:In this paper, the effect of improving sandy soil texture by extracting Yellow River sediment from the Yellow River was studied through the soil texture improvement plot experiment in sandy medium and low yield field, and the correlation between using the Yellow River sediment quantity and increasing wheat yield was analyzed. The changes of soil texture and moisture content in sandy soil were studied by adding high viscosity yellow river sediment into sandy soil. The results showed that adding high viscosity yellow river sediment to sandy soil changed soil texture and improved soil moisture conservation ability. At the same time, on the basis of soil texture improvement, the effect of different proportion of high viscosity Yellow River sediment on wheat yield was tested. The yield of wheat in the experimental plot with large amount of adulteration was significantly increased, which could be more than 2 times of the yield of wheat in unimproved land.
【作者單位】： 黃河水利委員會(huì)黃河水利科學(xué)研究院;
【基金】：水利部公益性行業(yè)科研專項(xiàng)經(jīng)費(fèi)項(xiàng)目(201401084)
【分類號(hào)】：S156.93

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本文編號(hào)：1497014