On the other hand, more factors can be controlled in lowland rice than in upland crops.

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Poddy-Upland rotation is a kind of classical Farming system, the rice-rapeseed rotation system is rather pervasively in south region of our country.

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The result suggests that there be no correlation between the expression of cyc07 and enhanced elongation of rice seminal root under upland condition.

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Incorporation of rice straw into degraded upland soils is not only important to sequestrate more carbon, which otherwise is burnt in the paddy fields as a tradition, but also to improve soil structure against soil degradation by soil and water erosion.

水稻秸稈異地施入退化旱地土壤不僅能防止就地焚燒產(chǎn)生的生態(tài)和環(huán)境問題，而且可以提高土壤穩(wěn)定性免费A级毛片无卡免费视频，改善土壤結(jié)構(gòu)国产高潮白浆调教福利在线视频，防止土壤侵蝕退化老司机午夜免费精品视频在线观看。