Generally, it can be cultivated in four seasons, and spring planting and autumn planting are used for soil production. The spring and autumn cultivation techniques will be introduced below.
(I) Spring.......
The reasons for this situation are as follows: First, a few days ago, a few days ago, the azoles were sprayed to control the growth or the growth, which inhibited the growth of the growth point. Because of the sufficient water and fertilizer supply.......
Spring temperature rises, fruit tree roots begin to move, sap rises, and flower buds further differentiate and enrich, which is an important period of management. Therefore, we must do a good job of spring management of fruit trees. For the apple .......
Growing coriander in summer is highly effective, but it is not easy to manage, and it is easy to pump when the temperature is high. When the temperature exceeds 30 ° C, it stops growing.
Nitrogen deficiency
Watermelon is sensitive to nitrogen. Generally, the average amount of nitrogen absorbed per mu is about 11 kg. Lack of nitrogen, slow growth of plants, weak stems and leaves, chlorosis and yellowing of lower leaves, short.......
Boron fertilizer
The boron deficiency of vegetables is obviously manifested in the thickening of the stems and petioles of plants, brittleness and easy division, poor root system development, dark green leaves, pale and deformed new leaves.......
The cucumbers in the greenhouse are currently in the fruiting period, but the author found that some cucumbers have wilted and the whole plant died seriously, making the vegetable grower very anxious. The main reasons are fusarium wilt, bacterial w.......
The fertilizer and water management of cucumbers in greenhouses in Winter.......
If the planting density is too high, the light in the garden will deteriorate, the parts will move out, the quality of the fruit will decrease, and the production efficiency will decline. This is a common problem in my country's apple productio.......
Grape leaf surface spray fertilizer, less investment, quick effect, easy operation, and fertilizer saving, is a good measure to develop grape production and increase production and income.
The best time for grape leaf spray is in the pre-growth, pre-flower, post-flower and post-gro.......