Parsley is rich in vitamins, has a rich aromatic odor, high nutritional value. In addition, it also has various medicinal values ​​such as lowering blood pressure, iron supplementation, tranquilizing the nerves, treating constipation, and preventing bowel cancer. The use of protective cultivation of parsley can be achieved throughout the year production, mu yield of about 3500 kg, mu benefits up to 10,000 yuan. The early spring cold cultivation techniques are as follows:
First, choose the best species
According to market demand, targeted selection of suitable varieties. We can choose foreign varieties with high yield, excellent quality and strong disease resistance, such as Japanese parsley, French parsley, Danish parsley and so on.
Second, timely nursery
Cold sowing in early spring sowing time is generally in early February, nursery in Yangshuo or greenhouse. Use fertile garden soil and fully decomposed manure in a ratio of 2:1, add 1 kg of compound fertilizer per cubic meter, spread evenly on the seedbed, and have a thickness of 10 cm. Use carbendazim and thiram Wet powder for bed soil disinfection. The foot water was poured first, the water was covered with a fine layer of soil after soaking, and the Seeds were evenly spread on the bed surface. The cover was finely sterilized with 0.5 cm of fine soil and the amount of mu was 75 g.
Three, soil fertigation
Parsley belongs to leafy vegetables, and the demand for nitrogen fertilizer is relatively large. The base fertilizer should be applied in a sufficient amount of 5,000 kg of farmyard manure or 3 kg of dry chicken manure, and 75 kg of high-nitrogen, low-phosphorus and high-potassium compound fertilizer with a total content of 45% should be used to fertilize the fertilizer evenly on the surface and then turn over. Cultivate and level the flour.
Fourth, timely planting
Around the end of March, colonies were planted when the seedlings had 5-6 true leaves. Choose a continuous sunny and hot weather for a week to plant, spacing 20 cm, spacing 15 cm, planting about 18,000 acres, planting water immediately after planting.
V. Field Management
Within 3 days after planting, the temperature in the shed during the day was kept at about 23°C, and the temperature at night was not lower than 15°C, which was conducive to promoting rapid easing of seedlings. One week later, parsley will grow a new root system and end the seedling period. In the early stage of growth, the outside temperature is relatively low, and it is necessary to diligently cultivate the soil to increase the temperature of the ground and promote the growth of roots, stems and leaves. When the plant height is about 20 centimeters, it enters a period of prosperous growth and sufficient water and fertilizer supply must be ensured. In general, 20 kg of urea or 15 kg of nitrogen and potassium fertilizers are sprayed with water per acre, and fertilizer is continuously applied twice. In the later stage of growth, the combination of spraying the protective bactericide to increase the foliar micro fertilizer can improve the quality and yield, and increase the yield.
Six, timely harvest
Early spring cold shed parsley cultivation, generally about 45 days after planting, plant height can reach 40 cm can be harvested. Two days prior to harvesting, a small amount of water was poured to moisten the glutinous rice noodles and the roots were uprooted. The old leaves and the diseased plants were removed and bundled into bundles of about 1 kg each. They were put into plastic bags and kept fresh, and the loading was brought to the market for sale.
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