By Building up Foundations for Sapling Production

Officials of the Central Tree Nursery under the Ministry of Urban Management is registering successes by building up the scientific basis for sapling production.

They are shortening the growth period of saplings with less chemical fertilizers and pesticides by introducing a two-round cultivation method by means of mineral nutritive liquid.

The seedlings cultivated by means of this liquid suffered less pest damage in the period of striking roots, and the survival rate of saplings transplanted in the right areas increased up to 95 percent, free from seasonal conditions.

They classified coniferous, broad-leaved and shrub trees by species and ages and cultivated them on a scientific and technical basis, according to the areas, soils and processes.

Its saplings are now being supplied to the capital city of Pyongyang and South Phyongan, South Hamgyong and other provinces.

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