摘要
3年稻鱼鸭种养共生模式效益的研究表明,稻鱼鸭种养共生模式水稻增产10％以上,增收鲜鱼1036.5kg/hm^2,成鸭238.9～489.3kg/hm^2;水稻土壤全N、P、K和有机质含量分别增加27.9％、44.3％、6.5％和28.2％,提高了土壤肥力;水稻植株虫口量最少。稻鱼鸭种养共生模式提高了稻田产量和效益,其生态环境质量指数为0.8155,属良性循环的高效复合生态农业模式。
Three years' study demonstrated that rice-fish-duck symbiotic model can improve rice production by over 10%,meanwhile produce more than 1036. 5kg/hm2 of fish and 238.9-489.3kg/hm2 of adult duck. Total N,P,K and soil organic matter contents of paddy field are increased by 27.9% ,44.3% ,6.5% and 28.2% respectively. The number of insect pests is decreased. The symbiotic system largely increased the output and economic benefit. An eco-logical index (EI) of 0.8155 suggested that it was a high efficient and comprehensive eco-agriculture model.
出处
《生态农业研究》
CSCD
1998年第1期48-51,共4页
Chinese Journal of Eco-agriculture
基金
重庆市丰收计划资助项目
