Good quality, high yielding cultivating techniques for Broccoli
1. cultivation season: generally speaking, broccoli is suitable for spring and autumn cultivation, For the fall cultivation, the sowing time is from mid-July to September, the harvest time is early October to February; for spring cultivation, the sowing time is December –January, and the harvest time is late April –early May.
2. sowing and nursing the seedlings: choose the soil with high topography, good drainage, rich in organic matters; the amount of seeds is 12.5-15g per mu.
3. fix planting. Dig the ditch and supply some basic fertilizer before fix planting. Planting density is 1800-2000 plants per mu. Watering the field after fix planting. If there are long term drought condition, do not plow the fields so as to ensure more seedling to survive.
4. Pay attention to the field management. It is suitable for broccoli to keep the moisture of the fields. So promptly watering in the drought condition and timely drainage if there are too much rain. Don’t partially supply N fertilizer.
5. Prevention to insects and diseases. The main diseases are black rot and downy mildew. Use streptomycin to prevent the diseases. The main insects are cabbage caterpillar, aphid and so on. Use chemical solution to prevent the insects.
6. Harvest: timely harvest according to demands of market and processing plants. Generally speaking, the small ball is 12-14 cm in diameter, each fruit weighs 150 g; big ball weighs 400 g, the largest can reach 500-600g. |