问题
单项选择题
合理的()应根据作物对土壤的要求，气候特点和土壤特性来确定。
A、轮作
B、复种
C、土壤耕作
D、播种制度
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
合理的()应根据作物对土壤的要求，气候特点和土壤特性来确定。
A、轮作
B、复种
C、土壤耕作
D、播种制度
参考答案：C
| 看图，用方框内词的适当形式填空。 | |
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