I. Sand land

Sand soil has more than 89% soil moisture and fine soil less than 15%. Sandy soil has a rapid temperature rise and good permeability. However, it has poor fertility and is prone to drought. In the later stages of watermelon growth, you will be unable to meet your demand for fertilizer and water supply. The growth of watermelon requires the occurrence of premature aging of the watermelon. For the sand soil, it can be mixed with pond mud to improve, fertilize and trace elements, improve the soil and avoid premature aging of the watermelon. The sandy soil is suitable for planting early-maturing, crack-resistant watermelon varieties. Sitting melon.

Second, clay

The advantage of fine soil content is better, the soil with less sediment content is poor in the permeability of the soil, the temperature is slow to pick up slowly, the seedling growth is slow, sometimes there is no seedling detail, but this type of soil has strong water retention and fertility, and the soil has stamina. It is conducive to robust growth of watermelon plants; clay land is suitable for planting medium and late-maturing, high-yield watermelon varieties or seedless watermelon varieties.

Third, the new land

For the newly reclaimed land, it is necessary to deepen the land several times, increase the soil depth of the plough layer, and increase the organic fertilizer. In the early stage, it is necessary to apply proper nitrogen fertilizer. The newly reclaimed land must have water conservancy facilities to meet the water and fertilizer demand of the watermelon growth process.

Fourth, saline land

When the saline-alkali soil is planted in watermelon, it can be used as a local low-saline soil in the vicinity of the planting hole to facilitate the normal growth of the melon seedlings. This will facilitate the timely pouring of the first water after transplanting and reduce the salt damage; Ground soil, to reduce the phenomenon of return alkali caused by evaporation of water.

V. Hilly Mountains

In the hilly areas, after digging the land and digging deep into the land, organic fertilizer should be applied to the planting ditch to increase the depth of the plough layer, which will help improve the ability of the soil to retain water and fertility. When planting watermelons, the mulching film can be used for effective heat preservation and moisture retention. Minor pruning should be done to increase the nutritional area of ​​the plant.

Six, heavy

The method of continuous cropping cannot be adopted when watermelon is planted, which may easily lead to wilt disease, which may lead to reduced or unreceiving watermelon yield. In watermelon cultivation, anti-grass varieties may be selected, or watermelon may be grafted with pumpkin gourd and other rootstocks.

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