Ways to cure the plants manganese deficiency

Mn deficiency and roughbark disease have a relationship with the soil physicochemical property, and the soil in common gardens is alkali.How to cure the plants manganese deficiency?

First,improve the soil quality and apply organic fertilizer; in May to July, spray 0.2-0.3% manganese sulfate solution for 3-4 times, every 20 days a time; paint some on branches with 0.3% manganese sulfate solution to promote the new tips and leaves’ growth. 0.5-1.25kgs of manganese oxide or manganese chloride or 1-4kgs of manganese sulfate.

Manganese sulfate is one of essential nutrient elements, and takes up one to three ppms, and the content is high in seeds, green leaf and cortex of fruit.
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