It can save on water and improve crop yield. It can also be used for fertigation; a process where fertilizers are applied through irrigation water
Madzi samatayika ndipo umawonjezera zokolola. Njirayi ikhoza kugwiritsidwanso ntchito pothira feteleze kudzera mmadzi- njira yomwe feteleza amathiridwa kudzera mmadzi a mthilira