Key Points of Fertilizer and Water Management During the Spring Growth Stage of Direct-Seeded Rapeseed

Fertilizer and Water Management During the Spring Growth Stage of Direct-Seeded Rapeseed ⟦3 (Agricultural Wealth Network) 1. Apply bolting fertilizer early. The application rate of bolting fertilizer is generally about 10 kg of urea per mu. 2. Clear ditches and drain waterlogging. Excessive soil moisture will cause damage to all organs of the direct-seeded rapeseed plant, and is especially unfavorable to root growth and the maintenance of root vitality. Therefore, preventing waterlogging in spring is an important condition for ensuring stable spring growth of direct-seeded rapeseed, maintaining root vitality, controlling the occurrence of sclerotinia stem rot, and preventing premature senescence. The main measure for preventing waterlogging is to regularly clear the ditch systems inside and outside the field, keep the ditches unobstructed, and prevent standing water in the field after rain.