If the clods are allowed to persist in any fashion, whether they be mere lumps of dirt, or clumps that the field cultivator allows to continue with a small weed in it---------the weeds grow.

Therefore, pulverizing the soil to eliminate a growing weed cache is the objective..........backed with rotary hoes to break up the crust that invariably follows after the next rains.

Appears to give us + - five days to get back in and get the white weeds.