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How to apply wintering fertilizer properly to spinach before overwintering
1. Sowing. Spinach is mainly broadcast-sown, though drilling is also possible. Under high-temperature conditions, germination is slow, so for early-autumn sowing it is best to soak the seeds to promote germination: soak the seeds for 12 hours, then treat them in a refrigerator at 4°C for 24 hours, and then keep them at 15-25°C to promote germination for several days; once most have germinated, they can be broadcast-sown. Sowing rate per mu...