大学MOOC Soilless Culture(Northwest A&F University)1458253167 最新慕课完整章节测试答案
Chapter 1 Overview
Chapter 1 Overview(1)
1、单选题:
In 1840, ________, a German chemist, put forward mineral nutrition theory of plants taking minerals as nutrition, which laid a theoretical foundation for scientific soilless cultivation.
选项:
A: Wigman
B: Boussingault
C: Liebig
D: Sax
答案: 【 Liebig 】点我阅读全文

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