In the increment of net farm income, increment of cash income generated by increase in commodity ratio is less than one half.

且农业纯收入增量中，由于商品率提高带来的现金收入增量也不到一半。

youdao

Firstly, calculate the cash increment of the alteration, then calculate the increment index, at last make the decision by the index.

首先计算改造方案产生的增量现金流，然后根据增量现金流进行增量效果指标计算，最后根据指标计算结果做决策判断。

youdao