Spinach is planted in early fall, with a growth period of 30 to 40 days. The time is short, and vegetables are marketed quickly, which can meet the market's demand for autumn mussels and achieve higher economic benefits.
1. Soil selection: Spinach planted in the autumn is not strict with the soil, and it is precociously cultivated on sandy loam, and it is easy to obtain high yield in clayy loam soil cultivation. The acid resistance is weak, the suitable soil pH value is 5.5?7, and the soil pH is below 5.5 or 8 and the growth is poor.
2, sowing time: August 20 or so sowing, about the end of September listing. The main choice of heat-resistant high-yield garden spinach varieties, such as all-round spinach.
3. Apply base fertilizer: Spinach has high absorption rate of nitrogen and potassium. Usually, the farmyard manure is 1000kg and the compound fertilizer is 80kg. At the same time, the soil moisture in the whole growth period must be 70-80% of the field capacity.
4, timely sowing: live, box width 2? 1.5m, into turtle shape, 2-3 times the uniform sowing, early autumn sowing, in order to ensure the whole seedlings, seeds can be used first 15-20 °C flooding day, after germination Wet sowing. In the autumn, the temperature is high, rainfall is high, and the amount of spinach sown should not be too large. Generally, 1.2 to 1.5 kg per mu is sown. After sowing, in order to ensure that the spinach is full seedlings and promote growth, and thin soil cover species, or covered with straw, or scaffold shelters, reduce heat and rain hazards and direct sunlight, and maintain soil moisture. After two true leaves of spinach were unfolded, the number of leaves, leaf weight, and leaf area grew rapidly, and nitrogen fertilizer was applied once and twice.
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