- …………..is an act of farming that is not based on the principles of ecological balance.
- In some areas of KhonKaen, the groundwater are no longer clean due to the high level of…………
- ………are three basic elements required by plants
- The faculty of Agriculture in KKU, is …….many different departments.
- ………..are essential nutrients, such as mineral or vitamin, that are required by an organism in a little amount.