论文部分内容阅读
钾硫磷铵为兼含氮、磷、钾三要素的颗粒状复合肥,有效养分含量比例有14-14-14、15-18—7、12-15—16等类型。养分以水溶性为主,枸溶性为辅,氮为铵态。其肥效高于等养分量的单元化肥混施的肥效。 1979～1980年,我所组织化肥试验网点进行肥效试验。亩施12-15-16型复合肥60斤,在水稻上作基肥一次施,每亩增收稻谷24～196斤,增产2.2～21.2％,每斤复合肥平均增产1.83斤,较等养分量单元肥混施增产2.75～4.55％;在玉米上半基半追施,每斤
Ammonium potassium sulfate is a granular compound fertilizer containing three elements of nitrogen, phosphorus and potassium. The effective nutrient content ratio is 14-14-14, 15-18-7, 12-15-16 and other types. Nutrients mainly water-soluble, citric acid supplement, nitrogen is ammonium. Its fertilizer efficiency higher than the amount of nutrients mixed unit fertilizer efficiency. From 1979 to 1980, I organized fertilizer test network for fertilizer efficiency test. Mushi 12-15-16 type compound fertilizer 60 pounds, a base fertilizer on rice once applied per acre income increased by 24 to 196 pounds of rice, an increase of 2.2 to 21.2%, an average yield of 1.83 pounds per kilogram of compound fertilizer, more than the amount of nutrients unit Fertilization mixed yield 2.75 ~ 4.55%; half in the corn top dressing, catty