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当前位置: 首页 > 文章 > 磷素营养对青饲玉米产量品质形成与肥水利用效果的影响 植物营养与肥料学报 2008,14 (3) 484-489
Position: Home > Articles > Effects of phosphorus application on biomass and quality formation,fertilizer and water use efficiency of forage maize Journal of Plant Nutrition and Fertilizers 2008,14 (3) 484-489

磷素营养对青饲玉米产量品质形成与肥水利用效果的影响

作  者：
杜雄;边秀举;刘梦星;窦铁岭;张维宏;张立峰
单  位：
河北农业大学植物保护学院;河北农业大学农学院
关键词：
青饲玉米;磷素营养;生物产量;营养品质;肥水利用效果
摘  要：
在华北农牧交错区旱滩地条件下,以饲用玉米"白马牙"为试验材料,研究了磷肥不同施用量对青饲玉米产量品质、形成与肥水利用效果的影响。结果表明,施磷使饲用玉米的生物产量增产10.5%～25.1%;显著促进了玉米植株氮素和磷素的吸收,使植株比不施磷分别多吸收氮素26.03～51.10kg/hm~2和磷素8.63～28.95kg/hm~2;植株粗蛋白、粗脂肪和粗纤维的含量随施磷量增加而显著增加;粗蛋白和粗脂肪的产量也增加显著,增幅分别为9.26%～37.82%和14.95%～33.33%。试验结果还表明,施磷比不施磷显著提高了青饲玉米的水分利用效率,增幅为10.44%～16.77%,相当于多供水27.51～47.36mm。因此,施用磷肥是提高饲用玉米饲草产量、营养品质和肥水利用效果的有效技术手段。
译  名：
Effects of phosphorus application on biomass and quality formation,fertilizer and water use efficiency of forage maize
作  者：
DU Xiong~(1,2) BIAN Xiu-ju~(1,2) LIU Meng-xing~1 DOU Tie-ling~(1,2) ZHANG Wei-hong~3 ZHANG Li-feng~(1,2*) 1 College of Agronomy,Agricultural University of Hebei,Baoding 071001,China; 2 Zhangbei Agricultural Resource and Ecological Environment Key Field Research Station,Ministry of Agriculture,Zhangjiakou 076450,China; 3 College of Plant Protection,Agricultural University ofHebei,Baoding 071001,China
关键词：
forage maize;;phosphorus;;biomass;;nutritional quality;;fertilizer and water use efficiency
摘  要：
A field experiment was conducted to study the effects of phosphorus application on biomass and quality forma- tion,fertilizer and water use efficiencies of forage maize named"Baimaya"with different phosphorus rates in meadow- chestnut soil in the agriculture-animal husbandry eco-zone of North China.The results indicated that phosphorus applica- tion increased forage maize biomass yield by 10.5 %-25.1% and improved nitrogen and phosphorus absorption signifi- cantly.Compared with no-phosphorus treatment,phosphorus application increased nitrogen and phosphorus uptake by 26.03-51.10 kg/ha and 8.63-28.95 kg/ha,respectively.As phosphorus application rate increased,the contents of crude protein,ether extract and crude fiber in maize plant were significantly increased.The yields of crude protein and ether extract in maize plant were increased by 9.26%-37.82% and 14.95%-33.33%,respectively.The results also indicated that phosphorus application increased water use efficiency of forage maize by 10.44%-16.77 %,which was e- quivalent to supply 27.51-47.36 mm more water.Thus the use of phosphorus fertilizer for forage maize is an effective technique to increase biomass yield,improve the nutritional quality,and fertilizer and water use efficiencies.

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