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稻－萍－鱼－畜（禽）生态系统是种植业和养殖业有机结合的生产。采取绿萍的耐寒耐热品种搭配，鱼沟的一字形宽边式和双季养鱼，克服了稻萍鱼共生体系鱼类铒料单一，绿萍利用层次少的不足，延长绿萍繁殖时间，解决协调稻与鱼对水的要求不同及绿萍繁殖与鱼生长不一致的矛盾，有很好的经济，生态效益。
稻—萍—鱼—畜（禽）生态系统技术经济效益评价
【摘 要】
：
稻－萍－鱼－畜（禽）生态系统是种植业和养殖业有机结合的生产。采取绿萍的耐寒耐热品种搭配，鱼沟的一字形宽边式和双季养鱼，克服了稻萍鱼共生体系鱼类铒料单一，绿萍利用层次少的不足，延长
【机 构】
：
浙江省农科院土肥所,浙江省农科院土肥所研究实习员,副研究员
【出 处】
：
农业技术经济
【发表日期】
：
1991年4期
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