Melon planting time
The normal condition of melon is suitable for planting in Datian from March to April, and the greenhouse is planted around February.
Melon planting knowledge
Melon is resistant to heat and frost, and the cultivation season is limited by the frost period and accumulated temperature. In northwestern and northeastern China, one year, spring harvests in autumn, and summer harvests in North China and South China. Thick-skinned melons are cultivated with high sorghum. Rain in northwestern China has formed a unique dry cultivation method for sorghum and sand fields for irrigation. In North China, thin melons are cultivated with flat sorghum, and thick-skinned melons are cultivated with sorghum. South China uses sorghum or melon pier for easy drainage.
Melon has a large amount of transpiration, strong aerobic roots, is not resistant to high humidity and low temperature in the soil, and is suitable for pH 6.0-6.8, deep soil layer, rich organic matter, and good aerodynamic loam or sandy loam. It has wide adaptability to soil pH and has certain characteristics of resistance to salt and alkali. In order to control blight and blight, 4 to 5 years of rotation should be carried out.
Live or nursery can be. The live broadcast should be carried out after the temperature of 10 cm is stable at 15 °C. Live with a dry or germination. Early maturing cultivation can be covered by plastic film, broadcast in advance or seedling transplanting. It is better to use seedlings such as nutrient mash, and the seedling age is 30 to 35 days, and 3 to 5 true leaves are planted. In order to prevent soil diseases, pumpkin, melon or disease-resistant melon can be used as a rootstock for grafting cultivation. The planting density depends on the characteristics of the variety and the pruning method. For example, Xinjiang mid- and late-maturing large-fruit-type thick-skinned melons use double-vine pruning, 450-700 per acre; early-maturing small-fruit varieties are single-vine pruning, 1000-1500 per acre. Mostly planted in wide and narrow rows.
For every 1000 kilograms of melon produced, about 2.5 to 3.5 kilograms of nitrogen, 1.3 to 1.7 kilograms of phosphorus, and 4.4 to 6.8 kilograms of potassium are required. In the result period, the absorption was the largest, and the absorption peaks of nitrogen and potassium were about 16 to 17 days after the melon, and the phosphorus absorption peak was later than nitrogen and potassium. Generally, the base fertilizer should account for 1/2 to 2/3 of the total fertilization amount, and the concentrated ditch or acupoint application. Good response to organic fertilizers. The quick-acting components of nitrogen, phosphorus and potassium in the soil are suitable for 15, 10 and 80 ppm respectively; the results are 25, 20 and 100 ppm. In addition, it is sensitive to elements such as calcium, magnesium and boron and should be applied as appropriate.
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