如(rú )今燕麦草、小杂(zá )粮、覆(fù )膜马铃薯等耐旱作物“当家”,以水定粮改变(biàn )了察汗淖尔湿(shī )地(dì )周边农业形态。庞学峰给(gěi )记者算了一笔账:种(zhǒng )植燕(yàn )麦草,只搞“雨养”农业,不使(shǐ )用地(dì )下水。成本(běn )下降,加上(shàng )轮作和“水改旱”补贴,亩效益可(kě )比种甜菜增加200元人民(mín )币左右。 -
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