虾稻连作是什么农业地域类型?

2025-03-16 01:22:42
推荐回答(1个)
回答(1):

“虾稻连作”是省现代农业科研协同创新“高效种植”项目研究内容之一。项目首席专家、省农科院土肥所所长刘光荣说:“滨湖地区的湖田积水易涝,传统种植模式是一季稻。上半年水位高易积水,这段时间正好可以利用湖田来养小龙虾,4月开始捕捞上市,到6月上旬捕捞结束,接着就种一季稻,环沟里留下来的小龙虾可用来自然繁种。”

该模式体现了因地制宜、因时制宜,合理利用土地、光温水等自然资源,提高农业生产与资源环境匹配度,实现农业效益可持续增长的现代农业发展思路。与“虾稻共生”养殖不同,连作养殖期水资源充沛、水质好,不受水稻季肥药等投入的影响,养出的小龙虾也是真正的清水虾,绿色又高效。2015年以来,省现代农业科研协同创新“高效种植”项目从8个优质水稻品种中比较筛选,确立了3个最合适小龙虾与一季稻连作模式的直播优质稻品种,并总结出水草种植、水质调控关键技术和绿色高效生产规程。
据悉,虾稻高效种养模式属于“赣抚平原高效种植(种养)模式技术集成研究与示范”课题。赣抚平原稻田传统种养模式主要有“肥(紫云英)-稻-稻”“油-稻-稻”“空闲-稻-稻”“油菜-一季稻”等,农业生产过度依赖资源消耗,利用效率低下。研究和提出适合赣抚平原的农业转型升级高效模式并示范推广,十分必要和迫切。

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