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Effect of Different Aquasorbent on Growth and Yield of Potato in Ningnan Mountain
Authors
廖佳丽
徐福利
赵世伟
Publication date
1 January 2009
Publisher
Abstract
为促进宁南半干旱山区产业支柱作物马铃薯的生产,解决马铃薯生产、特别是苗期的干旱缺水问题,采用田间试验方法,进行PAM保水剂、多功能保水剂与一定配方尿素+过磷酸钙的施用对马铃薯生长发育、产量及效益的试验。结果表明,两种保水剂均能促进马铃薯生长发育,增加干物质积累,但是在不同生育时期促进作物生长的效果有所不同。1%PAM保水剂浸种2~3 min处理在前期效果显著,多功能保水剂在后期效果突出。马铃薯以施用多功能保水剂30 kg/hm2效果最好,其产量和商品薯分别比对照高出52.33%、138.29%,增收5 356.8元/hm2。研究表明,施用30 kg/hm2多功能保水剂比用1%PAM保水剂浸种2~3min更适宜宁南半干旱区及其同类地区旱地种植马铃薯
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018