Dongzao Kaijiao time: Although Dongzaojiao can increase the rate of fruit set, it also has side effects of inhibiting root growth and tree vigor. Therefore, young jujube trees with small crowns, unshaped trunks, and fine trunks cannot be opened prematurely.

The trunk diameter of th…

1, caused by drought: Sunflower is a drought-resistant adaptable crops. However, the maximum amount of water is required in the formation of the flower disk to the final flowering period, which accounts for about 60% of the water requirement in the whole growth period. The lack of water du…

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One avoids excessive water control

Some vegetable farmers do not water for more than 20 days, so that high temperature and drought before and after noon, plant wilting phenomenon due to physiological water shortage, this is not conducive to the normal growth of vegetables, but also…

Fertilization: broccoli fertilizer, the whole growth period requires N10-12kg per mu, P13-15kg, K11-13kg, N too easy to cause quality decline.

Basal fertilizer: basal fertilizer is applied in deep trenches between rows, 15kg urea per mu, 50kg superphosphate, 20-25kg potassium sulfa…

1. Emphasis on land selection and basal fertilizer application

1.1 Watermelon Growth Habits: Warm, light, dry air and moderate rain conditions, so the watermelon should be planted in a warm climate, good sunlight, long sunshine, moderate ra…

1 The biological characteristics of chestnut

1.1 Chestnut morphological characteristics

Chestnut is a fagaceae, deciduous tree. The bark is rough and straight, with short hair on branchlets.

1.2 Chestnut biological characteristics and ecological habits

Chest…

The cell cycle refers to the time that a cell has undergone for one generation. From the end of a cell division to the end of the next division, it is a cycle. The cell cycle reflects the rate of cell proliferation. The cell cycle is an important tes…