First, choose a variety
For varieties, heat-resistant, high-yield, fast-growing, good-quality varieties should be selected. Shouguang City currently chooses K4, K5, K6, K7 and other varieties produced by the Dutch company Buji. Their common features are heat resistance, disease resistance, fast growth, and high yield.
Second, the site preparation
After the harvest of the previous crop, the residue is cleared in time. Mushi rot 3000 kg of organic fertilizer before sowing, and then soil, soil preparation.
Third, soaking germination
Soak the seed in cold water for 12 hours, then treat it in a 7-8 degree refrigerator for 24-26 hours, place it in a 20-25 degree environment, or soak for 16-20 hours with a 0.1% potassium nitrate solution. After the seed is exposed, it is sown.
Fourth, timely sowing
The sowing time is generally from August to mid-August. It is best to plant in the evening. In Shouguang region, the planting is generally used. The planting width is 1.15 meters, the ridge width is 35 centimeters, the row spacing is 12 centimeters, the plant spacing is 2.5 centimeters, and the ditch is opened. Fill the bottom pods and sow the seeds evenly in the ditch. Note that the length of the seed bud can not exceed the length of the seed, otherwise the sprout will dry up when the temperature is high, and the sowing mu will be used for 4~5 kg. After sowing, it will be covered with straw or shade net to keep the soil moist and conducive to unearthed seeds.
Fifth, fertilizer and water management
According to spinach's growing condition, the top dressing is much less before and after the planting. Since the temperature is higher after planting, 750 kg of diluted manure can be applied at this time, and the temperature in the later period will decrease, increasing the amount of top dressing. Rainy days, pay attention to clean up the ditch, to prevent dead trees soaked by rain.
After watering, the water can be plucked in time, which can not only moisturize but also prevent the growth of moss. In particular, it is very important to cut off after emergence. If there is moss on the ground, spinach will have severe dead seedlings and rotten leaves.
Sixth, control pests
The main pest in the growing period of spinach is yellow bucks, which can be controlled by phoxim and cannot be used 10 to 15 days before picking.
The main diseases are downy mildew, anthrax, and viral diseases, which can be controlled with 50% of Formosamax and zesin zinc. Virus disease is sprayed with 20% virus A500-fold solution at the beginning of the disease, or 1.5% of plant disease-drug emulsion 1000 Double fluid.
Seven, timely harvest
Spinach can be harvested in about 40 days. In order to improve quality, it can be sprayed on harvest number 25 for 25 days or more.
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