The nitrogen fertilizer losses in paddy field involve nitrification-denitrification, ammonia volatilization,nitrate leaching and runoff.是什么意思_The nitrogen fertilizer losses in paddy field involve nitrification-denitrification, ammonia volatilization,nitrate leaching and runoff.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句