碱性反应

niào sù duì tǔ rǎng fǎn yìng de zhí jiē xiào guǒ biǎo xiàn wéi jiǎn xìng fǎn yìng

尿素对土壤反应的直接效果表现为碱性反应。

The immediate effect of urea on the soil reaction is alkaline.