如(rú )今燕(yàn )麦(mài )草、小(xiǎo )杂粮(liáng )、覆(fù )膜(mó )马铃(líng )薯等耐旱作物“当家”,以水定粮(liáng )改变了察汗(hàn )淖尔湿地周边农业形(xíng )态(tài )。庞学(xué )峰(fēng )给记者算了(le )一笔账:种植燕麦草(cǎo ),只搞“雨养”农(nóng )业(yè ),不使(shǐ )用地下水。成本(běn )下降,加上(shàng )轮作和“水改(gǎi )旱”补(bǔ )贴,亩效益(yì )可比种甜(tián )菜增加200元人民(mín )币(bì )左(zuǒ )右。
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