A STUDY ON THE EFFECT OF NITROGEN PHOSPHORUS AND POTUSSIUM FERTILIZERS ON SEEDING(1+0) OF ORIENTAL ARBORVITAE(PLATYCLADUS ORIENTALIS (LINN) FRANCO) Effect of application of fertilizers on soil structure in red soil Effects of co-situs application of polymer-coated fertilizers on grain yield, root distribution and soil residual Nmin in summer maize