Volk oil
Volk oil
Volk oil or emulsified oil are substances from the aliphatic hydrocarbon group that are made from paraffin oil with petroleum derivatives. Manufacturers of this oil are saturated with sulfuric acid to make a profit. The smell of diesel oil is caused by this. In addition to having an effect on the target, diesel-based volk oils cause rapid aging and drying of trees in a few years. Iranian Pistachio
Features of quality Volk oil
Volk oil dissolved in water should remain in solution for at least 24 hours
It should not smell of diesel and be made of paraffin
Its weight is less than its volume
Time to use volk oil in winter
The time to use Volk winter oil is from mid-February to mid-March, which is a regional type. An important point for spraying Volk oil is to avoid spraying oil in extreme cold, frost or high heat. Oil spraying in winter should be done up to a week before the swelling of the buds.
Volk oil and the occurrence of red cracking in pistachio orchards
Red cracking after oiling
High oils and fats cause gum to grow from trees and red cracks, increase dormant buds and produce lots of pterygiums that need to be pruned.
Improper foliar spraying of Volk oil on trees is also one of the causes of red rot
Spraying oil after rain, if the tree is still wet and dry, will cause red cracking. As a result of 1 to 3 days of rain, which should be done after using oil spray
Spraying oil during frost causes frostbite in the garden. So, oiling should be done after the end of the frost period, which will cause frostbite
The use of low-quality and diesel engine oil also increases the risk of heart failure
Applying a high dose of volk oil will cause it to close and cause red cracking in the tree.
Tips on using Volk oil in winter spraying
Avoid spraying oil at a temperature of more than 30 degrees Celsius
The best temperature for winter oil spraying is 5 to 25 degrees Celsius
Spray oil during frost
Spray Volk oil when the surface of the tree and plant is dry and the plant is well watered
Winter oil spraying should be done 48 hours before or 48 hours after frost
Volk oil manufacturers should be observed.
Precautions for using Volk oil
Use approved and high-quality Volk oil
After adding Volk oil to the tanker, the solution of the tanker with a stirrer should be stirred regularly
The date of oiling should be done after the end of frost
Oil spraying is done during the hot hours of the day
Pruning should be done after oiling
In spring and summer, trees should be watered before spraying
The use of sulfur should be avoided for three weeks before and after spraying the plant
When mixing oil with poison, precautions related to poison should be observed