This microbial spray would

[pumpui momo]

This microbial spray would completely and rapidly decompose the stubble still left in the fields after the paddy was harvested. Within three weeks, the old stubble would integrate with the soil, acting as compost for the next growing season.

อ่านต่อเพิ่มเติม โรงเรียนบ้านนาเส 

สาระสำคัญ อักเสบ