The middle and lower part of the tomato leaves are yellow, with a few spots, and there are yellow halos around them. How to solve it

There should be two reasons. One is that the capillary roots are damaged by fertilization and watering, which causes nutrient deficiency. The second is a small amount of bacterial leaf spot. As the first case, through the flushing of amino acids, alginic acid, fish protein, and biological fungus fertilizers, rooting and rooting and soil improvement, combined with flushing of a small amount of nitrogen, phosphorus, and potassium, should be able to quickly change the leaves. Yellowing status. For bacterial leaf spot, you can spray chunlei thiazole zinc or chunlei king copper 500-600 times twice, with an interval of 3-5 days/time.

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Organic Phycocyanin

Organic phycocyanin, also known as blue spirulina powder. organic blue spirulina powder is a natural pigment derived from organic blue-green algae. It is not only a protein but also excellent natural food coloring and good healthy food. Blue Spirulina is known to have high nutritional content and may boost the immune system, increase metabolism, and improve digestion! It`s rich in protein, vitamins, minerals, iron, carotenoids, and antioxidants that can help protect cells from damage.

Phycocyanin powder is one of the rare pigment proteins in nature. It is not only brightly colored but also nutritious, with a complete amino acid composition and a high level of essential amino acids. Phycocyanin has anti-cancer effects, promotes blood cell regeneration, protects the ovary, and promotes elastin synthesis in the body.

The phycocyanin is a pure natural biological phycocyanin, which is a high anti-immune protein, which can automatically regulate the vegetative and reproductive growth of crops, and thus has the ability to resist disease and assist the treatment of diseases and increase the yield of crops.

The four most important factors for the growth of organic spirulina are temperature, light, humidity, and pH. Therefore, we chose Inner Mongolia and Ningxia as the cultivation base of spirulina. There are all environments suitable for the growth of spirulina, the most suitable for the growth of spirulina.

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Organicway (xi'an) Food Ingredients Inc. , https://www.organic-powders.com