摘要
皖北砂姜黑土烟区土壤有机质含量适宜 ,水解氮、速效磷含量较高 ,速效钾含量偏低。肥料试验结果表明 :烤烟适宜的施氮量为 75 kg/hm2 ,N∶ P2 O5 ∶ K2 O以 1∶ 1.2∶
Shajiang black soil in northern Anhui had the characters of suitable organic matter,high available nitrogen and phosphorus,Low avialable potassium for tabacco growth fertilizer trial showed the amount of N application for flue cured tabacco was 75kg/hm 2 and the ratio of N∶P 2O 5∶K 2O was 1∶1.2∶3in northern Anhui.
出处
《安徽农业科学》
CAS
2000年第5期638-639,共2页
Journal of Anhui Agricultural Sciences
关键词
砂姜黑土
土壤肥力
烤烟
合理施肥
产量
品质
Shajiang Black Soil,Tobacco growth region,Soil fertility,Fertilizing
