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辽宁昌图旱田土壤养分状况分析 被引量:5

Analysis of Soil Nutrients of Dry-farming Land in Changtu City,Liaoning Province
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摘要 通过对昌图县18个乡(镇)旱田(主要栽培作物玉米)耕层的97个土壤样品中大量元素、微量元素的速效养分化验分析,结果表明:大量元素速效氮磷钾均较丰富,只是个别样品所代表的地块缺氮,微量元素有效铁和铜均较丰富,有效锰和锌缺乏。因此,在农作物施肥上应在增施有机肥的基础上,大力推进测土配方施肥,以达到土壤养分平衡,保证作物高产稳产优质。
出处 《土壤通报》 CAS CSCD 北大核心 2007年第3期610-612,共3页 Chinese Journal of Soil Science
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