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田间小区和多点大田示范试验研究结果表明,小麦在拔节一成熟期吸收硅占全生育期吸硅总量的88.9-93.1%,说明小麦在生育后期吸硅力很强,因而对缺硅土壤在拔节前施硅仍有良好效果;成熟期,SiO_2在小麦稿秆与籽粒中的分配百分比为94.5:5.1.施硅后,稿秆中的硅量更为增加,因而缺硅土壤上利用稿杆还田能部分缓解土壤缺硅问题。研究结果还表明,所有施肥处理均比不施肥的小麦增产极显著;在NPK肥基础上,施7n有一定增产效果;施Mn、ZnMnSi_(1)(Si,3kg/亩),小麦增产显著:施Si_(2)(Si,6kg/亩)、ZnMn、ZnMnSi_(2)小麦增产极显著.
Field plots and field experiments showed that the absorption of silicon at the stage of jointing-maturing wheat accounted for 88.9-93.1% of the total amount of silicon absorption during the whole growth period, indicating that the silicon in the late growth stage had a strong silicon-attracting force and therefore Silica fertilization still had good effect on silicon application before jointing. At the ripening stage, the distribution percentage of SiO 2 in wheat straw and grain was 94.5: 5.1. After the silicon application, the amount of silicon in the straw increased more, so the use of man-made straw on the silicon-deficient soil could partially alleviate the silicon deficiency in soil. The results also showed that all the fertilization treatments had significantly higher yield than the non-fertilized wheat. On the basis of NPK fertilizer, the yield of 7n was increased. The yield of wheat increased significantly with Mn and ZnMnSi_ (1) (Si, 3kg / mu) Application of Si 2 (Si, 6 kg / mu), ZnMn and ZnMnSi 2 increased significantly.