杂交油菜施用粉煤灰磁化复合肥的初步研究-生态环境学报.DOC

文章编号：1008-181X（2001）03-0224-03 杂交油菜施用粉煤灰磁化肥的效应 孙克刚，张学斌，汪立刚，王 英，吕爱英 （河南省农业科学院土壤肥料研究所，河南 郑州 450002） 摘要：通过对杂交油菜施用粉煤灰磁化复合肥的试验研究，初步探明了粉煤灰磁化复合肥较同等N、P、K的复混肥，未磁化粉煤灰复合肥及当地群众习惯施肥法有显著的增产效果。试验表明，粉煤灰磁化肥在油菜上一般用量为757.58 kg/hm2左右。粉煤灰磁化肥比对照增产21.9%，比当地农民习惯施肥措施增产10.5%；比等量N、P、K混合肥增产9.9%，增产180 kg/hm2。比未磁化粉煤灰复混肥增产4.5%。最高产量施用粉煤灰磁化肥为1026.9 kg/hm2，油菜产量为2084.85 kg/hm2；最佳产量施用粉煤灰磁化肥为757.58 kg/hm2，油菜产量为2041.79 kg/ hm2。 关键词：杂交油菜；粉煤灰磁化复合肥；肥效；效应方程 中图分类号：X705 文献标识码：A Study on effect of supply of magnetized fly-ash compound fertilizer on hybrid oil-cabbage SUN Ke-gang，ZHANG Xue-bin，WANG Li-gang，WANG Ying （1: Soil and Fertilizer Institute, Henan Academy of Agricultural Sciences. Zhengzhou. 450002, China） Abstract: The magnetized fly-ash compound fertilizer is a new type fertilizer one. Experimental study on effect of this fertilizer on hybrid oil-cabbage yield on Huanghe soils in Xinyang county was conducted. Application rate of magnetized fly-ash compound fertilizer on hybrid oil-cabbage was 757.58 kg/hm2 hybrid oil-cabbage yield was 2041.79 kg/hm2 by applying magnetized fly-ash compound fertilizer. It was 360 kg/hm2 or 21.9% higher than the CK’s; 190.0 kg/hm2 or 10.5% higher than farmer’s traditional fertilization practices’; and 180 kg/hm2 or 9.9% higher than the same amount of N, P, K compound fertilizer’s; and 86.7 kg/hm2 or 4.5% higher than the non-magnetized fly-ash compound fertilizer’s. The hybrid oil-cabbage maximum yield came to be 2084.85 kg/hm2 with applying 1026.9 kg/hm2 of magnetized fly-ash compound fertilizer. The optimum amount of application was 757.58 kg/hm2 of magnetized fly-ash compound fertilizer which derived 2041.79 kg/hm2 hybrid oil-cabbage yield. The result shown that the magnetized fly-ash compound fertilizer have notable effect on improvement of hybrid oil-cabbage economic properties. Key words: magnetized fly-ash compound fertilizer；hybrid oil-cabbage；effect 粉煤灰因含有B、Zn、Mn、Cu、Si、Mg、Ca、Fe及Mo而具有一定的天然肥效。以粉煤灰为主要载体的磁化肥，是经特殊磁化工艺，强化了粉煤灰中铁磁物质的磁功能，然后加入适量的N、P、K肥和微量元