North greenhouse cultivation method of papaya
A cultivation method and papaya technology are applied in the northern greenhouse cultivation field of papaya, can solve problems such as no standardized cultivation method, weak greenhouse cultivation technology, etc., and achieve the effects of fine and juicy pulp, good taste and color when eating.
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Embodiment 1
[0040] Embodiment 1 Papaya northern greenhouse cultivation method
[0041] The concrete steps of papaya northern greenhouse cultivation method of the present invention are as follows:
[0042] 1. Plan the papaya plantation
[0043] Choose a solar greenhouse with a heating device, and it is a semi-arch circular greenhouse structure with a short back slope (100-150cm) and a high back wall (200-220cm). This structure has good lighting and large space; The thickness of the wall in the area is 80-100cm, and the thickness of the wall is 100-150cm in the area around 38-42° north latitude, and the light transmittance of the plastic film of the greenhouse is above 65%.
[0044] 2. Colonization method
[0045] Before planting, prepare the ground, dig planting holes, and improve the soil. The ground preparation is based on the level of the greenhouse floor; first dig the planting holes, then prepare nutrient soil and backfill. The specifications of the planting hole are 60-65cm in dia...
Embodiment 2
[0070] The concrete steps of papaya northern greenhouse cultivation method of the present invention are as follows:
[0071] 1. Plan the papaya plantation
[0072] Choose a multi-span greenhouse with a height of not less than 330cm. The roof is made of glass and the light transmittance is above 65%. This structure has the functions of cooling, humidifying and ventilating.
[0073] 2. Colonization method
[0074] The specifications of the planting hole are 70-75cm in diameter and 45-50cm deep; the volume ratio of the nutrient soil is peat: organic fertilizer: original soil = 2: 1: 7, and the prepared nutrient soil is backfilled into the planting hole and is 26cm above the ground. Irrigated for planting. The planting specification can adopt the row spacing of 2m×2.4m.
[0075] Use 0.3% ferrous sulfate solution to adjust the soil acidity, and control the soil pH value between 7.0 and 7.5 based on the soil being fully soaked at a depth of 28-30 cm. From April to October, it is...
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