如今(jīn )燕(yàn )麦草、小杂(zá )粮、覆膜(mó )马(mǎ )铃(líng )薯等(děng )耐旱作物(wù )“当家(jiā )”,以(yǐ )水定粮(liáng )改变了察(chá )汗淖尔(ěr )湿(shī )地(dì )周(zhōu )边农业形态。庞学峰给记(jì )者(zhě )算了一笔(bǐ )账:种植燕麦草(cǎo ),只搞(gǎo )“雨养”农业,不使用(yòng )地(dì )下水(shuǐ )。成本(běn )下(xià )降(jiàng ),加上轮(lún )作和“水(shuǐ )改旱”补贴(tiē ),亩效益可比种(zhǒng )甜(tián )菜增加200元人民币(bì )左(zuǒ )右。
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