After the walnut tree leaves, clean up the orchard in time, and clear the diseased branch to the orchard to prevent the disease from infecting other fruit trees. After the end of the Qingyuan, spray the tree trunk and branches with the tree-protecting general emulsion 100 times liquid (50 kg) to form a film. The substance protects the flower buds from freezing damage and does not dry the shoots. In the early spring, you can use the tree-protecting general emulsion 1000 times liquid (500 kg) to spray the trunk and branches to keep warm, disinfect and prevent frost, prevent the wintering virus from landing in the tree, and restore the fruit tree life command system to wake up early.
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