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两种配方肥和长效剂用量对马铃薯产量和经济效益的影响

作  者:
赵欣楠;龚成文;冯守疆;何贵文;马忠明
单  位:
甘肃省农业科学院土壤肥料与节水农业研究所
关键词:
马铃薯专用肥;肥料长效剂;肥效;产量;经济效益
摘  要:
采用多因素随机区组试验设计在甘肃省漳县盐井镇研究了"飞天"马铃薯专用肥两种不同配方和长效复合添加剂NAM和PAL用量对马铃薯产量和经济效益的影响。结果表明:与传统施肥处理比较,各处理组合差异显著,其中"飞天"马铃薯专用肥(N-P-K:15-8-7)中加入0.6%NAM时马铃薯产量和经济效益最高,提高产量39.1%,产值提高41.2%;两种配方肥均可显著提高马铃薯产量和经济效益,且"飞天"马铃薯专用肥(N-P-K:15-8-7)比"飞天"马铃薯专用肥(N-P-K:12-8-10)提高马铃薯产量8.5%,增加产值12.4%;在两种配方肥中加入NAM和PAL均可显著提高马铃薯产量,但是随着肥料长效剂NAM和PAL含量的增加,各处理组合马铃薯产量并无显著性增加。
译  名:
Effects of Two Kinds of Fertilizer and Long-acting Agent Amount on Yield and Economic Benefit of Potato
作  者:
Zhao Xinnan,Gong Chengwen,Feng Shoujiang,He Guiwen,Ma Zhongming(Agricultural Institute of Soil Fertilizer and Water Saving,Gansu Academy of Agricultural Sciences,Lanzhou 730070,Gansu,China)
关键词:
Special Potato fertilizer;Long-acting agent;Fertilizer efficiency;Yield;Economic benefit
摘  要:
A field experiment was conducted to investigate effects of two different kinds of fertilizer and long-acting agent amount on the yield and economic benefit of potato with multiple-randomized block design in Gansu.The results showed that the difference of all treatments was significant(P<0.05) and compound fertilizers specified for potato(N-P-K:15-8-7) with 0.6% NAM had the highest yield and economic benefit of potato,39.1% and 41.2% more than that of traditional fertilizer treatment,respectively.Compound fertilizers for special purpose of potato(N-P-K:15-8-7) increased the yield and economic output value which were 8.5% and 12.4% more compared with the compound fertilizers specified for potato(N-P-K:12-8-10).Long-acting agent could significantly improve the yield and the economic output value of potato,but the economic yield could not significantly increase with increasing amount of the long-acting agent.

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