Soil fumigation and bio-organic fertilizer application promotes potato growth and affects soil bio-chemical properties in a continuous cropping system Total flavonoid extracted from Sophara japonica buds with assistant of laccase from endophytic Fusarium sp. C-8 EFFECTS OF CONTROLLING DAMPING-OFF USING PESTICIDES AND FOREST HUMUS ON LARCH SEEDLING STUDIES ON THE FUSARIUM CROWN ROT OF BANANA