如今(jīn )燕(yàn )麦草、小(xiǎo )杂粮、覆膜(mó )马铃薯等(děng )耐旱作(zuò )物(wù )“当家(jiā )”,以水定粮改变了(le )察汗(hàn )淖尔(ěr )湿(shī )地周(zhōu )边(biān )农(nóng )业形态。庞学峰给(gěi )记者算了一笔账:种植燕(yàn )麦草,只(zhī )搞“雨养(yǎng )”农业(yè ),不使用地下(xià )水。成本(běn )下降,加上(shàng )轮作(zuò )和“水(shuǐ )改(gǎi )旱”补贴,亩效益可比种甜(tián )菜(cài )增(zēng )加200元人民币左右。
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