Organic pineapple has strong adaptability, resistance to drought, drought, less pests and diseases, easy cultivation, high yield, and intercropping. It is the first choice for some mountains. The following is a description of the requirements for organic pineapple planting.
1. The organic pineapple is planted in a double line. The commonly used sorghum and ditch are 150cm wide and arranged in a single line.
Its advantages are: the wider root of the gutter can expand outward, the row spacing of the plant on the raft is relatively uniform, the stem bases are pressed against each other, the leaves are stretched into a hemispherical surface, the sun can be fully utilized, and the "shade" environment between the rows is easy to form. Reduce gully weeds for easy management. Planting pineapples in this way generally has a groove width of 100-110 cm and a small row spacing of 40-50 cm, and the plant spacing varies with density. If 3,500-4,000 plants are planted per 667 m2, the plant spacing is 20 cm, and 4,500 plants are planted per 667 m2, and the plant spacing is about 15 cm.
2, organic pineapple planting three rows of single plant arrangement of 畦 and ditch a total of 170cm wide, which is 120cm wide, 35-40cm small row spacing, plant spacing varies with density, generally between 20-25cm, in this way, individual plants The nutrient area is even.
3, organic pineapple planting four-line, generally 200cm wide 畦, wide and narrow row arrangement, wide line 100cm (including the groove width 50cm), narrow line 50cm (including the groove width 20cm), the formation of the small plaque with 25cm line spacing Planting, planting 4500-5000 plants per 667m2.
Its advantages are: there is a ditch on the raft, and after the plant is sealed, the small ditch is both drained and retains water, which is beneficial to the growth of the root system; the large row spacing is wide, which is convenient for pedestrian operation, and the leaves on both sides of the narrow row are less damaged by humans, and the leaves are damaged in frost. In order to alleviate, the big fruit is obtained in the middle of the two lines.
Water management should be timely irrigation and drainage, flood control and drought relief. Fourth, do a good job in other management. If it does not affect the growth and development of the fruit, it should be properly degerized and budded; the flower should be stimulated; the fruit should be sprayed to improve the weight and quality of the fruit. Spray the fruit with 50 mg / liter of gibberellin plus 0.5% urea solution, spray a second time after 20 days, spray 70 mg / liter of gibberellin plus 0.3% urea solution. In order to make the fruit ripe and consistent, the fruit develops to seven mature, and is ripened with ethephon 300 mg / liter.
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