如今燕麦草、小杂(zá )粮、覆膜马铃薯等耐旱作物(wù )“当家(jiā )”,以水定粮改变(biàn )了察汗淖尔湿地周(zhōu )边(biān )农业形态。庞(páng )学(xué )峰给记者算了一笔账(zhàng ):种植(zhí )燕麦草,只搞“雨养”农(nóng )业,不使(shǐ )用地下水。成(chéng )本下降,加上(shàng )轮作和“水改旱”补贴(tiē ),亩效益可比种甜菜增加200元人民(mín )币左右。 -
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