Groundwater Recharge-CWRDM Training Thrissur 2011
Assessing subsurface hardpan and pond formation
Types of Irrigation
Soil. Chemistry Review Cation: atom that forms a positive charge (example: Ca +2 ) anion: atom that forms a negative charge (example: S -2 )
MENANAM POHON UNTUK MEMANEN AIR HUJAN NERACA LENGAS Soemarno - psdl ppsub 2013.
MENANAM POHON UNTUK MEMANEN AIR HUJAN NERACA LENGAS
