FIELD: agriculture.
SUBSTANCE: invention relates to the field of agriculture, in particular to methods for growing rice. The method includes a preliminary study of rice for molybdenum content, ranking rice into three groups with different molybdenum content and determining the need to process rice with a 1.0% aqueous solution of molybdenum, depending on the molybdenum content in it. Vegetative rice plants are used in their tillering phase, which are subjected to dry ashing at 525±25°C to analyze the molybdenum content in them. Then the treated plants are ranked into three groups: the first group includes plants containing molybdenum less than 0.35 mg/kg of aboveground dry mass of plants; the second 0.35-0.75 mg/kg and the third group includes plants containing it more than 0.75 mg/kg of aboveground dry mass of plants. If rice plants contain molybdenum less than 0.75 mg/kg, foliar fertilizing is carried out with a 0.1% aqueous solution of molybdenum with a working solution consumption of 300 l/ha.
EFFECT: method provides an increase in rice yield and a reduction in the consumption of fertilizers containing molybdenum by determining the need for foliar treatment of vegetating rice plants with molybdenum.
1 cl, 3 tbl, 1 ex
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Authors
Dates
2022-10-04—Published
2022-01-13—Filed