新型有机无机缓/控释肥对果蔗产量及效益的影响

Effects of New Type Organic-inorganic Slow Releasing Fertilizer on Yield and Benefit of Fruit Cane

通过果蔗施用有机无机缓/控释肥、无机复合肥、单质化肥的试验示范研究,结果表明：有机无机缓释/控肥养分全面,肥效期长,供肥平稳,对促进果蔗生长发育,改善产量构成因素、提高产量及经济效益具有明显的作用.小区试验施有机无机缓/控释肥产量高达146.12t/hm2,比施无机复合肥、单质化肥分别增产8.31 t/hm2、13.79t/hm2,增6.0％、10.4％;净效益增加27452元/hm2、21303元/hm2,增20.5％、15.2％;大田示范也取得相似的效果.并可省工150～180个/hm2,明显降低生产成本.有机无机缓/控释肥富舍有机质和腐殖酸,对改良培肥土壤具有重要作用.

The comparison experiment was conducted to test the application effects between the organic-inorganic slow releasing fertilizer, inorganic compound fertilizer and only simple fertilizer on fruit cane. The results showed that the organic-inorganic slow releasing fertilizer was characterized by full-nitrogen, long fertilizer effect period and balanced supply of fertilizer. The yield of organic-inorganic slow releasing fertilizer reached 146.12 t/ha, increase by 6.0% and 10.4%, respectively; the net economic benefit increased by 27452 yuan/ha and 21303 yuan/ha, increased by 20.5% and 15.2% respectively in comparison with the inorganic compound fertilizer and the only simple fertilizer. The field demonstration achieved the same effect, and the labour cost was saved by 150-180 ind/ha. The organic-inorganic slow releasing fertilizer is in rich organic matter and humic acid, and it plays an important role in improving soil fertility.