A mixed herbicide developed by the Agrochemistry Institute under the Academy of Agricultural Science is drawing the attention of agricultural officials and farmers.
The herbicide “Phuljabi-5” can kill aquatic weeds like barnyard grass that sprout in paddy fields before rice-transplantation and in the period from early rooting of rice seedlings through to their shooting.
As regards its functional characteristics, the chemical is absorbed through sprouts, roots, stalks and leafs of the weeds, fatally keeping them from photosynthesis and amino acid synthesis.
The researchers identified the applicable places and methods of use as they tested the herbicide in paddy fields prone to weeds.
This year the herbicide has been applied to tens of thousands of hectares in South and North Phyongan and South Hamgyong provinces, Nampho and other parts of the country.
The herbicide receives favourable feedback from the users as it helps them kill aquatic weeds in time with less labour and cost.
According to them, after applying the herbicide, it is needed to maintain the depth of water in paddy fields for 7 to 10 days or so and it is more effective when sprayed on the sprouts of weeds.
Kim Pong Ju
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