Protective measures of cold resistance and anti-freezing in papaya cultivation
Papaya is a tropical crop, like hot climate, avoid low-temperature frost. Freezing injury occurs when the temperature is lower than 5 ℃. It is very important to take the following measures to prevent freezing: re-application of overwintering fertilizer. Each tree is treated with 10kg of organic fertilizer mixed with mature human and animal manure and plant ash, and 1.5 kg of phosphate fertilizer. At 80cm and 100cm away from the trunk, dig a ring ditch 20 cm deep and 35 cm wide. Mix the fertilizer with the dug soil and fill it back into the ditch. Cover the tree plate with straw or other weeds after fertilization. Tree protection general lotion 100 times liquid (50 kg) sprayed tree trunks and branches, film-forming material can protect leaf flower buds from freezing injury.
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Planting and management of Xuan papaya
When the orchard was deeply ploughed in late September, the base fertilizer was mixed with stable fertilizer and human manure and urine, and the available N fertilizer was applied to each young tree with 15kg base fertilizer and 30kg base fertilizer per tree. Topdressing: before sprouting (from late March to early April), 130 grams of urea or 400 grams of ternary compound fertilizer were applied to each plant. Spray 0.3 each 2 weeks before anthesis.
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High-yield cultivation techniques of papaya
Papaya belongs to the genus Chaenomeles of Rosaceae. Its fruit is rich in nutrition and has high medicinal value. In this paper, the key points of cultivation techniques for high yield papaya in field are introduced as follows: planted papaya is suitable for close planting, mountain and hilly land, plant row spacing is generally 1.5m × 3m, flat land with good fertilizer and water, plant row spacing is 2m × 3m.
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