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1.材料与方法 1.1供试肥料⑴连云港恒奥达有机肥⑵连云港富寿康有机肥⑶江苏永禄肥料有机肥⑷南通市瑞华有机肥⑸南京禾宝有机肥⑹江苏中房建设有机肥⑺南京三美有机肥⑻南通市白龙有机肥。以上有机肥有机质≧45%,N、P、K总养分≧5%。1.2试验地点试验地在铜山区大许镇麻沟村。前茬作物为水稻,单产水平600公斤。试验时间2012年10月18日至2013年6月12日。1.3供试土壤土壤为厚沙底淤土,肥力中等,地力均匀一致。试验地有机质21.5g/kg、全氮1.46g/kg、有效磷17.8mg/kg、速效钾138mg/kg、pH7.9。1.4供试作物品种供试小麦品种烟农19。1.5试验处理试验设3个处理:①空白对照(CK1)。作物全生育期不施任何肥料。②常规对照(CK2)。基肥:亩施尿素10公斤,45%(15-15-15)复合肥35公斤,追肥(拔节孕穗肥):尿素15公斤。③供试肥料处理。有机
1. Materials and methods 1.1 Test Fertilizer ⑴ Lianyungang Hengda organic fertilizer ⑵ Lianyungang Fu Shoukang organic fertilizer ⑶ Jiangsu Yonglu fertilizer organic fertilizer ⑷ Nantong Ruihua organic fertilizer ⑸ Nanjing Wo Po organic fertilizer ⑹ Jiangsu Zhongfang construction of organic fertilizer ⑺ Nanjing Sanmei organic fertilizer ⑻ Nantong City White Dragon organic fertilizer. Organic fertilizer above ≧ 45% organic matter, N, P, K total nutrients ≧ 5%. 1.2 Test sites Experimental site in the town of Dachang Mu Tong Village. Former crop of rice, yield 600 kg. Test time from October 18, 2012 to June 12, 2013. 1.3 for the test soil The soil is thick sand silt, medium fertility, uniform force. Test organic matter 21.5g / kg, total nitrogen 1.46g / kg, available phosphorus 17.8mg / kg, available potassium 138mg / kg, pH7.9.1.4 for the test varieties of cultivars tested for tobacco farmers 19.1.5 test treatment set 3 A deal: ① blank control (CK1). Crops throughout the growth period without any fertilizer. ② routine control (CK2). Base fertilizer: Urea urea 10 kg, 45% (15-15-15) 35 kg of compound fertilizer, top dressing (jointed booting spike): urea 15 kg. ③ test fertilizer treatment. organic