Planting techniques of white melon seeds

Adapted environment

1. Climate conditions: the frost free period is more than 110 days, and the accumulated temperature is more than 2300 ℃. I like the weather with high temperature and little rain. It is not suitable to be rainy and foggy in summer, and it is rainy and foggy. This will affect the melon setting rate and the later growth.

2. Soil conditions: select sandy loam, loam and acidic black loess for cultivation. White melon seeds have strong drought resistance and are afraid of waterlogging. The soil with high terrain, good drainage, good permeability and not easy to waterlogging should be selected.

Selection of previous crop

White melon seed is a highly efficient economic crop, and land selection is the key. It should be rotated reasonably. The previous crops should be Gramineae, such as wheat stubble and corn stubble; Bean stubble is OK. The rotation period is 3 to 5 years, and it cannot rotate with Solanaceae crops.

PS: it should also be noted that in the land selection, the plots that have not been applied with long-term residual pesticides such as Procter and dousulfuron in the previous year should be selected. For the plots sprayed with chlorpyrifos, as long as it is not more than two kilograms per hectare.

Residual damage of Chlorsulfuron methyl: the young root is shortened and thickened, the cotyledon and true leaf are wrinkled and small, the plant is atrophied, and the leaves become yellow, brown and dead when the damage is serious, and the plant growth is stagnant or dead

Land preparation requirements

White melon seeds have very strict requirements for land preparation, which is higher than that of soybeans, corn and wheat. Therefore, land preparation should be done well in the autumn of last year. It is better to rake the land after deep loosening. The deep loosening requires more than 30 cm to increase the water permeability and enhance the waterlogging resistance. The harrow shall be 17 to 19 cm, the soil shall be fine and loose, and the ground shall be flat, loose, broken and fine. It is best to ridge in autumn or ridge in the next year. The ridge distance can be 65 cm, so that the ridge is flat, straight and uniform.

Seed selection

White melon seeds are a high-efficiency economic crop. We should strictly control the selection of seeds. Once there is a problem with the seeds, it will determine the most important factor of our economic benefits in the year. The first way is to select good seeds with high yield, good quality and strong disease resistance. We should select good varieties with high yield, good quality and high fruit setting rate. Single melon produces more seeds, large white seeds, large and thick plates, A variety with thin skin and thick skin.

First of all, select the seeds. Before sowing, clean the seeds to remove the shriveled and deformed seeds. The seed quality standard is: the purity is greater than 99%, the water content is less than 9%, the single diameter of white melon seeds is 12-12.5 mm, and the germination rate is greater than 85%. It is enough to prepare 2 kg of seeds per mu. Before sowing, the seeds must be exposed to the sun for 2-3 days in sunny days to enhance the vitality of the seeds, wake up the dormancy period of the seeds, and promote the rapid germination of the seeds, In this way, it is not suitable to plant powdered seeds in the field, because the soil humidity is high and the temperature is low in the spring, and the seeds are dormant in the ground for a long time, resulting in powdered seeds. If conditions permit, it is better to mix with seed coating agent, and the seed coating can prevent diseases, insects and rats. However, it is not suitable to plant seeds when sowing, so a person must be specially assigned to knock the seed pipe frequently to make the seeds be sown in the field as required.

Selection of VOD player

If conditions permit, air suction or air blowing precision seeder can be used. Our soybean precision seeder can also be used. However, the seedbody must be replaced with a special disc for sowing white melon seeds, so that the row spacing of the seeds is 65 cm, and the plant spacing is about 75 cm, and the seedling per hectare is 20000.

Fertilizer preparation

Apply less nitrogen fertilizer and more phosphorus and potassium fertilizer, because melon crops like phosphorus and potassium fertilizer. When sowing, apply 20 kg of phosphorus fertilizer per mu, 10 kg of potassium fertilizer per mu, 6 kg of nitrogen fertilizer per mu, and 14 kg of nitrogen fertilizer per mu.

Sowing time

The seeds can be sown on May 10 every year, but not later than May 20 at the latest. The seeds can be sown in advance according to the climate. The sowing depth is 3 to 5 cm, and never be sown deep. Because the white melon seeds have poor soil arching ability, they are suppressed after sowing. At the same time, double-layer fertilization is required. The plant spacing is adjusted according to the requirements, and it is even at 75 cm. It is not easy to sow at a uniform speed.