秸秆发电和气化残余物作为肥料在烟叶生产上的应用研究

The use of residues from straw power generation and gasification as fertilizer in leaf tobacco production

选用秸秆发电残余物(草木灰1)和秸秆气化残余物(草木灰2)作为钾肥,设置4个替代K2SO4的梯度,即25%、50%、75%、100%(完全替代K2SO4),通过盆栽试验,研究不同施肥处理对烟叶产量和品质的影响,并评估安全性。结果表明,处理有机+化肥+草1-50和有机+化肥+草2-75可降低烟叶生产肥料成本,提高烟叶品质,同时不影响食用安全。

Residues from straw power generation （ plant ash 1 ） and gasification （ plant ash 2 ） were used as potassium fertilizer in pot experiment to study effects of different K2SO4 replaced ratios , i. e. , 25% , 50% , 75% , and 100% on yield and quality of tobacco leaf. Results suggested that treatments of 50% replacement with plant ash 1 and 75% replacement with plant ash 2 resulted a bigger reduction in production cost and improvement in leaf quality with no in crease in heath risk.