Thinning and gap filling has be done on 14 - 21 days after sowing, taking advantage of the immediate rain.

If dual cropped with green manure, incorporate the green manure when grown to 40cm height or at 30 days after sowing, whichever is earlier, using Cono-weeder.

Green manure incorporated fields may be operated again with rotary weeder a week later in order to aerate the soil.