When is the most suitable time to sow directly seeded rapeseed?

(Agricultural Wealth Network) Sowing early at the suitable time is an effective way for directly seeded rapeseed to make use of the effective growing period before winter and to secure an adequate number of green leaves before winter arrives. There is an agricultural saying: "One more leaf before the year ends, one more branch after the year begins." A larger number of green leaves before winter can synthesize sufficient nutrients, prompting the root system to continuously grow deeper and thicken, forming a strong root system and laying a good foundation for more branches and pods. If sowing is late, temperatures are low and growth is slow, the vegetative mass in winter is small, cold resistance is poor, and growth vigor is weak, which is not conducive to rapeseed forming strong seedlings. Of course, the sowing period is not the earlier the better. The safe sowing period for directly seeded rapeseed in our city is mid to late October.