Non-pollution Cultivation Technique of Portulaca oleracea

The purslane, also known as long-grassed grass and five-element grass, is an annual herbaceous plant. It is served with its seedlings or tender stems and leaves, contains a variety of essential nutrients for the human body, and is a kind of green leafy vegetable with very popular value. The purslane can be planted in stages throughout the frost-free period and harvested gradually. From sowing to emergence, it takes 8-12 days in spring and 4-6 days in summer and autumn.

First, soil preparation. Choose a flat terrain, convenient irrigation and drainage, less weeds, and loose, fertile plots. Each mango composted manure 2000 kilograms, ploughing 15-20 centimeters deep, so that Putian reach the level, loose, soft, fine requirements. For a width of 1-1.2 meters wide, 40 cm wide. Mud seedlings 1-2 kg per acre. The purslane seed is small. In order to make the seeding density uniform, the seeds should be mixed with the fine sand with a weight of 50-100 times before sowing. After sowing, it was lightly scooped and poured into the bottom water. After sowing, the seedlings should be sprayed with moist water to meet the drought.

Second, fertilize and water. When the seedling height is about 15 centimeters, pull the seedlings to market, so that the spacing between the plants is maintained at 9-10 cm. During the growth of the leeks, it can be combined with watering fertilizer 1-2 times, each applying 4-6 kg of urea per acre.

Third, pest and disease control. The purslane grows robustly with less pests and diseases, and white rust occurs occasionally. At the beginning of the disease, 58% of toxic Mn-Zn wettable powder can be sprayed on the water.

Fourth, harvest. When the plant height is 24 cm, young shoots are harvested from the plant at a distance of 10 cm from the ground, leaving the axillary buds of the nodes growing. After harvesting, fertilizers and watering are promptly applied to promote the growth of side shoots. Generally, it can be harvested continuously for 2-3 times.

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