Advantages of phosphites over phosphates :
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More soluble
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Readily taken up through foliage of many species including citrus and avocado
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Potassium phosphite oxidizes to phosphate in air making it an excellent compound for continuous supply of phosphate to the plant
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Phosphite fertilizers in the soil provide a steady supply of available phosphorous to the plant roots as compared to phosphate and superphosphate fertilizers where, as a result of
phosphate fixation in the soil, only a fraction of the phosphate is actually available to the plant.
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Effectively controls specific species of Oomycetes and some species of Phytophthora , therefore combining nutrition value and fungicidal / fungistatic properties.
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Stimulates the plant's metabolism to synthesize allelopathic chemicals (phytoalexins) which aids in the fight against invading pathogens.
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Crop Nutrition
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