如(rú )今燕麦草、小(xiǎo )杂粮(liáng )、覆(fù )膜(mó )马铃(líng )薯(shǔ )等耐旱作(zuò )物“当家”,以水(shuǐ )定粮改(gǎi )变了(le )察汗淖尔湿地周边农业形态。庞学(xué )峰给记(jì )者算了一笔(bǐ )账(zhàng ):种植燕(yàn )麦草,只(zhī )搞“雨养(yǎng )”农业(yè ),不(bú )使(shǐ )用地下(xià )水。成本下降,加上(shàng )轮作和(hé )“水(shuǐ )改(gǎi )旱”补(bǔ )贴,亩(mǔ )效(xiào )益可(kě )比种甜菜增加200元人民币左右。
Copyright © 2008-2018