1. When spraying ethephon cucumber to grow 1 to 3 true leaves, the flower buds of leaves 2 to 21 are gradually differentiated. When the female flower or male flower has not yet been differentiated, spraying ethephon can increase the amount of female flowers. The concentration of ethephon sprayed was 100-200 ppm. Spraying 1 to 2 times, when sprayed, it is best to select it at 4 o'clock in the sunny afternoon. It is necessary to spray the front and back of the blade, and spray after spraying should be sprayed. In the middle and late stages of cucumber growth, it can be sprayed 3 to 5 times with 0.3% potassium dihydrogen phosphate and 3000 to 4000 times 802 mixture to prevent premature aging.

2, shade control light method cucumber is short-day crops, artificially shortened light can increase the number of female flowers. Before the formation of cucumber flowers, a black shading net with low light transmittance was used to cover. The daily average temperature of the cultivated bed could be reduced by 1.4°C, the average temperature of the 5cm can be lowered by 2.1°C, and the light intensity can be reduced by 66.2% on average. The daily sunshine time can be controlled at 9 Within a few hours, there are no shade nets, and shades can be used on the scaffolds with straws, black paper, etc.

3. Increasing the water and fertilizer method The cucumber seed is more than 1 times higher in the soil with a humidity of 80% than in a soil with a humidity of 40%. Therefore, it is necessary to ensure that the cucumber has sufficient water during the growth process, so that it can be poured in time. Water, maintain a moist environment. In addition, in the early growth and development of cucumber, the supply of sufficient amount of nitrogen fertilizer can also increase the number of female flower differentiation, but also to strengthen the prevention and treatment of pests and diseases.

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Fingerprint Safe

Biological fingerprint safe have the characteristics of uniqueness and stability, without the permission of the highest authority of the manager, any individual without qualified fingerprints can not enter. Therefore, the fingerprint safe relative to other categories of safe, a good solution to the problem of others imitation keys to open the door. If you use a traditional mechanical safe, you may face risks such as having a key made by others or using a special unlocking tool to open the lock.

Traditional Safe Box often require keys or combinations to open, which can be easily lost or forgotten. With a tiger fingerprint safe, you simply need to place your finger on the scanner to open it. This eliminates the need to remember or carry keys or codes, making it more convenient and efficient.

Many tiger fingerprint safes have the ability to store multiple fingerprints in their system. This means that you can grant access to multiple individuals, such as family members or trusted employees, without the need to share keys or combinations. Each person can have their own unique fingerprint registered, ensuring accountability and security.

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