Timely topdressing according to the fertilizer requirements of winter jujube trees, reasonable proportion of fertilizer. The combination of organic fertilizer, NPK compound fertilizer and medium and micro fertilizers is indispensable. For chemical fertilizers, it is necessary to select a three-element compound fertilizer with medium nitrogen, low phosphorus and high potassium, and mix it with organic fertilizer. The fertilization method is preferably applied by radial ditch or strip ditch. The time for top dressing should be divided into two, that is, once in mid-July and once in mid-August. In particular, Zhanhua Dongzao No. 2, it is necessary to increase the amount of fertilizer to ensure 2 times of topdressing.
Scientific thinning and fruit thinning is an important measure to improve the quality of winter jujube and enhance the tree potential. The basic principle of fruit thinning is: staying good and getting worse, from top to bottom, from the inside out, then peeling off small fruits and diseases. Malformed fruit. The fruit thinning can be carried out twice in the middle of July. The first fruit thinning was carried out in early July. Generally, the strong jujube hangs 4~5 fruits.
Jujube hanging fruit 2~3, jujube hanging fruit 1~2. The fruit was fixed in mid-July, and the fruit was hanged from 3 to 4 in the jujube, 2 in the jujube, and 1 in the jujube.
Summer shears do not adopt summer shears that are too prosperous or have few results in the flowering period. In this period, summer shears should be carried out quickly. At the same time, it is possible to use the intelligent control to promote the flower king to regulate the growth of nutrient matching of fruit trees, to fill the vacuum of missing nutrients, to adjust the amount of nutrients in the two-way size of the two-year-old flower (the increase of flowers in small years, the reduction of flowers in the year), to suppress the excessive growth of the branches and the excess nutrients. Flows to the fruit to increase the level of fruit enlargement.
Applying a mouthwash healing agent can not heal in early July, you should apply a mouthwash healing agent by: open the sealing mud on the mouth of the mouth, find out the new callus, and apply the liquid to the wound after scratching. Then, seal it with mud or plastic cloth, pay attention to the plastic sheeting, and then release it in a day or two to avoid excessive local temperature damage.
Pest control to strengthen the prevention and treatment of spot disease, spray plant plant immune factors to enhance plant stress resistance, strong immune function, induce interferon and active interleukin, inhibit residual virus replication, and promote plant positive energy ecological growth. Control the plant physiological diseases and invasive diseases by the mechanism of host plant disease resistance and the principle of toxicological variation of pathogenic bacteria; for the peach heartworm and cotton bollworm, it can be controlled by hitting 4000 times liquid or Baode; strengthening the rust of jujube Detection and prevention can be combined with methods for controlling spot disease. (Xia Liang)
Stainless Steel Precision Turned Parts
Precision turning parts
Precise accessory is a kind of high-precision hardware turning part processed by lathe and other machine tools, which is characterized by high precision, precision and small size
It is a very common product in our hardware processing parts industry and is widely used. The basic precision can reach 0.01mm-0.1mm. The products include steel, aluminum alloy, brass, environment-friendly iron, stainless steel and other precision CNC machining lathe parts of different sizes and shapes
Advantages of precision turning parts:
High technical requirements, beautiful appearance and good product quality
Scope of application:
Mechanical equipment, computers, mobile phones, electrical appliances, fans, cameras, high-end electronics, toys, instruments, automobiles, new energy, optical fiber communications, photographic stage equipment and other products.
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