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湖南长沙县2米“巨人稻”试种成功 预计亩产突破1吨

2017-10-11 11:11:53   

目前,巨型稻在湖南邵阳、常德、株洲、长沙等地均有试种。“巨型水稻比一般常规水稻的生物量大50%以上,相比常规水稻,每亩可增产15%至20%。”夏新界介绍,以巨型稻为例,平均每蔸水稻有约40个稻穗,稻穗的粒数多的可达800粒,每千粒稻谷重28克左右,预计亩产可突破1000公斤。

夏新界介绍,巨型稻健壮结实,茎秆直径粗约1厘米,光合作用充足,不仅抗病、抗倒伏能力强,还能为植株带来充分的营养,为水产、哺乳类动物遮阴避凉,提供最佳栖息场所。“青蛙以水稻上寄生的虫子为食,鱼、青蛙、泥鳅等的排泄物为水稻提供了天然肥料。”夏新界说,巨型稻拥有产量高、抗性好、耐逆性强等特点,且生长周期与青蛙、泥鳅生长周期同步,可同时管理,节约人力与资金成本,通过采取“巨型稻+青蛙+泥鳅+鱼”的生态种养新模式,实现一亩多收,粮渔共赢。

“巨型稻个头高,产量高,效益也高。”夏新界给记者算了一笔细账,巨型稻单季亩产在1000公斤以上,以出米率60%折算,产出的生态米在市场上是备受青睐的“香饽饽”,每斤价格在20元左右,仅稻米一项,每亩收益近2万元。“鱼、青蛙、泥鳅在自然无公害的环境中生长,效益比单纯种植水稻翻番。”夏新界介绍,每亩稻田产出的青蛙在1000公斤以上,泥鳅约300公斤,预计每亩稻田收益在5万元左右。

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