Methods for reducing nitrate nitrogen and oxalic acids contents nin plants
AssigneesCosmo Research Institue, Cosmo Oil Co., Ltd.
InventorsRyuji Yoshida, Tohru Tanaka, Yasushi Hotta
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Abstract
Methods for reducing nitrate nitrogen and oxalic acid contents in plants, each of which comprises applying 5-aminolevulinic acid, a salt thereof or a mixture thereof. Nitrate nitrogen and oxalic acid contents in plants having high nitrate nitrogen and oxalic acid contents can be reduced effectively and easily.
Claims9
A method for reducing nitrate nitrogen content in a plant, which comprises applying 5-aminolevulinic acid, a salt thereof or a mixture thereof, wherein the nitrate nitrogen content in a plant to be treated is 0.5% or more by weight of the total nitrogen in said plant.
A method for reducing oxalic acid content in a plant, which comprises applying 5-aminolevulinic acid, a salt thereof or a mixture thereof, wherein a plant to be treated has an oxalic acid content of 50 mg/100 g of said plant or more.
Dependencies are inferred from the claim text.