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长效碳酸氢铵肥效试验宋波盛广华张树香代红宁玉国于凤文梁希荣（庄河市农业技术推广中心）（石山乡农业站）（明阳乡农业站）（恒道河乡农业站）庄河市现有耕地１３８万亩，其中玉米６４万亩，水稻３９万亩，分别占耕地面积的４７．８％和２８．３％，比例很大。历年来...
Long-acting ammonium bicarbonate fertilizer test Song Bosheng Guanghua Zhang Shu Xiang on behalf of the Red Ning Yu Guo Yufeng Wen Liang Xirong (Zhuanghe City Agricultural Technology Promotion Center) (Shishan Agricultural Station) (Ming Yang Township Agricultural Station) (Hengdao Hexiang Agricultural Station ) Zhuanghe City currently has 1.38 million mu of arable land, of which 64 million mu are corn and 39 million mu are rice, accounting for 47.8% and 28.3% of the total arable land respectively, a large proportion. Over the years ...