Soil fumigation and the effectiveness of phosphorus fertilizers when growing seedlings of pine and spruce
Lesnoe Khozyaistvo 5: 41-43
A fallow area of a forest nursery was fumigated on 5 May 1982 with Carbathion (35% a.i., 500 kg/ha), and superphosphate was applied on 7 May at 50, 100, 200 and 600 kg/ha P2O5, or plots were inoculated on 19 May with mycorrhizal forest soil (5 t/ha) taken from a nearby Scots pine plantation. Seeds of Scots pine and Norway spruce were sown on 27 May. Data are tabulated on seedling growth, needle colour, and content of P and K in the soil.