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- W2384262916 abstract "[Objective] To study the effect of different tillage methods on the sandy chestnut soil topsoil moisture content and water use efficiency in northwest Hebei alpine district,and to explore high-efficient water use to provide a theoretical basis for crop production.[Method] With the test material of local main cultivated varieties of late-maturing oat pin 5,the topsoil moisture content was measured at the seedling stage,tillering stage,jointing stage,booting stage,heading stage and harvesting stage by the drying method.[Result] The average topsoil moisture content during the seedling stage was 6.26% without tilling,higher than the deep loosing at 5.33%,and ploughed tillage at 5.39%,which were insignificantly different after the tillering stage.The water consumption intensity was insignificantly different in different tillage and at different growth stages,the water consumption intensity during the whole growth period changed consistently,showing bimodal and dual valley,bimodal appeared at the seedling and heading stage at 2.31-2.51 mm/d,dual valley appeared at the tillering and harvest stage period of 1.07-1.32 mm/d.The average water use efficiency of no-tillage was 2.24 kg/(mm·hm2),significantly less than deep loosing and ploughed tillage of 4.10 and 4.07 kg/(mm·hm2).The yield of oat and the inter-annual water use efficiency showed the same change trends with the water consumption,but within the same year,the water consumption of different tillage patterns differed significantly,and the changes of yield and water use efficiency were consistent with each other.[Conclusion] No tillage at the seedling stage can improve the topsoil moisture content in northwestern Hebei alpine district,but the improvement was not obvious after the seedling stage;the water consumption degree was mainly influenced by the climatic factors,while lightly affected by the tillage patterns.The water use efficient under deep losing and ploughed tillage was obviously higher than that under no tillage,deep losing is the effective technical measure to protect the eco-environment and realize the steady growth of farmland yield." @default.
- W2384262916 created "2016-06-24" @default.
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- W2384262916 date "2012-01-01" @default.
- W2384262916 modified "2023-09-23" @default.
- W2384262916 title "Impact of Different Tillage Methods on the Farmland Soil Moisture in Northwest Hebei Alpine District" @default.
- W2384262916 hasPublicationYear "2012" @default.
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