香蕉氨基酸配方肥及减肥增效的研究

本研究通过减施化肥和配施氨基酸有机肥提高香蕉生长、产量、品质及改善土壤质量,为海南省香蕉产业减肥增效、改善土壤环境提供思路。以“南天黄”香蕉为试材,以农户施肥为对照(CK),设置2个处理：配方肥(减施化肥29%)和氨基酸配方肥(减施化肥36%)。分析各处理对香蕉生长、产量、品质及土壤养分的影响。结果表明：与农户施肥相比,配方肥处理的香蕉产量增加13%,果实维生素C提升25%,土壤碱解氮减少13%;氨基酸配方肥处理的香蕉产量增加30%,孕蕾期株高和假茎围均增加20%,果实维生素C提升32%,土壤pH增加0.6,碱解氮减少36%,速效磷增加50%。因此,减施化肥36%+氨基酸有机肥是适合海南省香蕉产业的减肥增效新模式。

Study on banana amino acid formula fertilizer and reducing fertilizer and increasing benefit

In this study, the growth, yield and quality of banana and soil quality were improved by reducing fertilizer application and combining amino acid organic fertilizer application, providing ideas for reducing fertilizer application, increasing benefits and improving soil environment of banana industry in Hainan Province. Taking "Nantian Yellow" banana as test material and farmer"s fertilizer as control (CK), two treatments were set up: formula fertilizer (29% reduction of chemical fertilizer) and amino acid formula fertilizer (36% reduction of chemical fertilizer). The effects of different treatments on banana growth, yield, quality and soil nutrients were analyzed. The results showed that compared with the farmer"s fertilization, the banana yield increased by 13%, fruit vitamin C increased by 25%, and soil alkali-hydrolyzable nitrogen decreased by 13%. The yield of banana was increased by 30%, plant height and pseudostem circumference were increased by 20%, fruit vitamin C was increased by 32%, soil pH was increased by 0.6, alkali-hydrolyzed nitrogen was decreased by 36%, and available phosphorus was increased by 50%. Therefore, reducing fertilizer application by 36%+ amino acid organic fertilizer is a new model suitable for reducing fertilizer application and increasing benefits in hainan banana industry.