The results showed that high nutrient use efficiency could also be obtained at high fertilizer input level when the comprehensive crop management techniques have been developed.
英
美
释义
从区域、农户和吨粮田不同层次上的分析表明,高投入下可以实现高效率,关键是提高综合管理的科学水平;
把海词放在桌面上,查词最方便
触屏版
|
电脑版
©2003 - 2024 海词词典(Dict.cn)
立即下载