The high yield wheat field should be applied about P 150 kg/hm2, and the radio of N, P, K should be 1:0.5 -0.55:0.4-0.45.是什么意思_The high yield wheat field should be applied about P 150 kg/hm2, and the radio of N, P, K should be 1:0.5 -0.55:0.4-0.45.在线翻译_英语_读音_用法_例句