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an shun shi xi xiu qu han di tu rang shang qing jian ce ji ying yong
Author(s): 
Pages: 297-297,300
Year: Issue:  10
Journal: XIANDAI NONGYE KEJI

Abstract: 土壤水分是农作物生存和正常生长发育的重要物质基础,同时也是农作物从土壤中吸收营养物质的重要载体,通过对土壤田问持水量和土壤墒情的测定,了解旱地土壤的水分变化规律,探索土壤水分对玉米生育期的影响,以便制订及时、合理的农耕措施,确保旱地粮食稳定丰产.
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