It is better to use these methods when water is very limited. However, these methods will only be efficient if they are correctly used and maintained by the farmers as they cost more to run due to use of motorized pumps
Ndibwino kugwiritsa  ntchito njira zimenezi pamene madzi ndiwochepa. Komabe, njira zimenezi zinhakhale zopambana ngati zagwiritsidwa ntchito moyenera ndi kusamalidwa ndi alimi popeza zimafuna ndalama zambiri kugwiritsa ntchito chifukwa cha engine ya pampu 