FIELD: agriculture.
SUBSTANCE: method ensures the facilities for active biomass growth of alga water net (Hydrodictyon reticulatum (L) Lagerh) over the water surface. Shallow work is carried out in the lea, in spring crop remains are embedded, nitrogenous fertilisers are added with the dosage 20-30 kg/ha, and then constant water sheet is made, that is kept in the period from May till August. For example, urea is added in the soil as nitrogenous fertilisers.
EFFECT: decreased level of rice fields infestation with the main weeds of boggy and gramineous type, and also with red-grained rice.
2 cl, 2 tbl, 3 ex
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