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Effects of Zinc, Iron, and Molybdenum Combined Application on the Yield and Quality of Alfalfa LIU Shi-liang1, HUA Dang-ling1, ZHANG Bin-yun1 , JIE Xiao-lei1,2 ,
Author(s): 
Pages: 176-180
Year: Issue:  2
Journal: ACTA AGRESTIA SINICA

Keyword:  紫花苜蓿产草量牧草品质;
Abstract: 采用大田试验,研究锌、铁、钼配合施用对紫花苜蓿产草量和品质的影响.结果表明:施用微量元素肥料能显著提高第1茬苜蓿产草量,当施用锌5 kg/hm2、铁7.5 kg/hm2、钼0.45 kg/hm2时,苜蓿能增产18.1%;配合施用微肥对第2、3、4茬以及苜蓿年总产草量没有明显的增产效果.3种元素中,锌的增产效果较好,而铁和钼的效果不明显.合理施用微肥能明显提高苜蓿的饲用价值,当施用锌10 kg/hm2、铁15 kg/hm2、钼0.225 kg/hm2时,能显著提高粗蛋白、粗脂肪的含量,降低粗纤维含量,提高钙含量;3种元素对苜蓿品质均有明显影响,其中锌的影响最大,而铁钼的影响较小.
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