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不同密肥处理对水稻武粳15产量和物质积累的效应

SERVES OF AGRICULTURAL TECHNOLOGY(2008)

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Abstract
进行了不同密肥处理对水稻武粳15产量和物质积累效应的试验。结果表明:在本地生产条件下,水稻武粳15以栽植密度22.5万穴/hm2、每穴栽2苗、施纯氮330kg/hm2时产量最高。拔节、抽穗期适宜的干物质积累量分别为4482.0kg/hm2和11839.5kg/hm2;适宜LAI为4.1和7.7,成熟期干物质重在20250.0kg/hm2以上,抽穗至成熟期干物质积累量在8250.0kg/hm2以上。
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