The absence of water in jujube gardens should be determined by the amount of water in the soil. In general, when the water content of the soil accounts for 60% to 80% of the maximum water holding capacity in the field, it is a good condition for the growth and development of the jujube tree. If it exceeds the need for drainage, it will be watered if it is low. The simple way is to judge: In about 10 centimeters below the earth's surface, take a handful of earth-shocking hands, such as a clump and not easily broken, this shows that the soil moisture is more than 50% of the maximum water holding capacity, you can not water; If the hands are loose and the soil is loose, it means that the soil moisture is too low to be watered; if you hold a block, but gently pinch by two fingers, indicating that the water content is poor, but also need watering. Watering jujube trees in summer can refer to the following two points:
1. When the weather is dry and high temperatures appear, it is necessary to meet the jujube tree's moisture supply in time. When watering, it should adopt small water ground irrigation or barriers and diaphragms to replace the watering method to avoid drastic changes in soil moisture content caused by flooding, causing adverse phenomena.
2. It is best to avoid hot noon at the time of watering. It can be done in the morning or evening to avoid the sudden stimulation of the root system. Because of the high surface temperature at noon, young fruit will be damaged by hot vapor, causing wilting to fall off. The dense planting garden with poor ventilation and light conditions should pay more attention.
Nuts can generally be divided into two types: one is seeds, such as sunflower seeds, pumpkin seeds, peanuts, etc.; the other is tree nuts, such as pistachios, hazelnuts, cashews, walnuts, pine nuts, walnuts, chestnuts, almonds. And the macadamia and pecans that have been very hot in the past two years. These nut foods contain more protein, calcium and a variety of vitamins, which can provide the body with a variety of nutrients needed by the brain and body.
In general, a nut is a closed fruit classification of a nutrient-covered woody or leathery hard shell. The skin is hard and contains one or more seeds. It includes two types of tree nuts and fruit seeds, walnuts, chestnuts, pistachios, almonds, etc., which belong to the fruit seed class.
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