Agriculture

Biochemicals Produced

11

Researchers examine the blight extermination effect of biochemicals at the plant disease prevention centre.

The plant disease prevention centre of the Rangnang District Cooperative Farm Management Committee, which is located on Pyongyang’s Thongil Street, produces highly effective biochemicals.

“Highly efficient chemicals are indispensable for protecting crops and increasing grain yield,” said director Kim Pyong Sok.

Until a few years ago, the centre depended on imported additives that are essential in producing biochemicals.

Imported additives, however, had less satisfactory effects in promoting the efficiency of biochemicals though their costs were high.

Therefore, the centre buckled down to the development of an additive relying on locally available raw materials.

Though they had to explore a new way, the employees persevered in the development as they spent most of time in farm fields to conduct tests repeatedly for confirming the mixing ratio of raw materials for the additive.

“We were very delighted when we finally developed the new additive with the starting material and solvent we made with domestic raw materials,” said a developer.

Then they established an additive production line to make biochemicals, which proved effective at cooperative farms in the district.

In the course of insect monitoring, they found out new characters of the paddy rice borer which was thought to be difficult to exterminate and the method of stamping out the harmful insect with their biochemical.

The biochemicals of the centre are 80-90 percent efficient in killing major paddy rice blight and are able to eliminate various other pests.

They can be applied to not only grain crops but also all other plants including vegetables and fruit trees.

Its biochemicals have been introduced into many cooperative farms across the country and are winning favour with them. “We are now concentrating on preventing harmful insects and crop yield fall in the wake of recent floods and typhoons. Meanwhile, we are pressing on with the development of new products in order to increase crop output,” said the director.

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