如今燕麦草、小杂粮、覆膜(mó )马铃薯等耐旱(hàn )作物“当家”,以水定粮改变(biàn )了察汗(hàn )淖尔湿地周边(biān )农(nóng )业形态。庞学(xué )峰给记者算了一笔账:种(zhǒng )植燕麦草(cǎo ),只搞“雨养”农(nóng )业(yè ),不使(shǐ )用地(dì )下水。成本下降,加上轮作和“水改旱”补贴,亩效益可(kě )比种甜菜增加200元人民币(bì )左右。 -
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