Is the whitening formula of southern trees the same as that of northern trees?

0.4 kg of sulfur mixture, 5 kg of quicklime, 0.5 kg of salt (optional) and 40 kg of water are used to prepare tree whitening agent.

Sulfur mixture can kill diseases, pests and eggs by penetrating and eroding the body walls of bacteria and pests. It is an inorganic sulfur preparation, which can kill bacteria, insects and mites, and can prevent and control powdery mildew, rust, brown rot, brown spot, scab, spiders, scale insects and other pests. Protect, prevent and control diseases, and have moderate toxicity to people and livestock.

I. Performance characteristics

1, high efficiency

Stone sulfur mixture crystal is a new solid dosage form made by chemical processing on the basis of liquid stone sulfur mixture. High purity, less impurities, and more than twice the efficacy of the traditional stone-boiling sulfur mixture.

2, the drug effect is lasting

The crystallization of sulfur mixture can last about half a month, and the best effect is 7- 10 day.

3, low residue

After the product is decomposed, the effective components play the role of sterilization and acaricide, and the residual compounds of elements such as calcium and sulfur can be absorbed by the fruits and leaves of plants, which are essential medium elements for plant growth.

4. No drug resistance

Sulfur mixture has been used for 100 years and has no drug resistance. It is a cheap broad-spectrum bactericidal, acaricidal and insecticide.

Second, the method of use

1, spraying method:

The saplings and lawns were sprayed. It can prevent and control red spiders, scale insects, rust and powdery mildew on trees and flowers. After the leaves of fruit trees fall in autumn and winter, the mixture of stone and sulfur is usually used when clearing the garden.

2, coating drying method:

Dilute with water in early spring and late autumn 180-400 times, spray or brush evenly on the trunk. The experience of Tai 'an Garden Department-after pruning trees during dormancy, the harm of Lagerstroemia indica and pomegranate was basically eliminated by brushing the trunk and main branches with sulfur mixture.

3, wound treatment agent:

Applying the wound can reduce the infection of harmful bacteria and prevent the occurrence of rot and ulcer.