Onion plant is one of spice commodities most sought and needed by all people in Indonesia. The need for shallots each year is increasingly supported by the need for shallots for various processed foods.
Red onions can grow in the lowlands up to the plateau at about 1000 dpl.
Best yield on lowland with climate 25-32 ° C, with 75% irradiation.
Soil requirements: loose, fertile and contain lots of organic materials The best type of soil is sandy clay or dusty clay
Soil pH 5-5 -6.5
Good drainage and aerated cultivation.