EFFECTS OF SUPPLYING OF NITROGEN AND PHOSPHORUS TO Larix olgensis SEEDLING QUALITY
This experiment was conducted to assess the effects of nitrogen (N) and phosphorus (P) fertilizers on Larix olgensis seedling quality in dark brown soil and the results demonstrated that; applying proportion of N and P could significantly affect the height, diameter and length of taproot in treatments. Excessive supplying of N did not make the seedling excessively grow, but repressed seedling growth through exacerbating supplying balance of N and P and limiting balanced absorption of nutrients. In this site that effective N is abundant and effective P is lack, reasonable fertilization management of L. Olgensis seedling is that apply no fertilizer and consume supersaturating N through seedling growth to balance nutrients in the soil, which could economize cost of cultural seedling, recuperate soil and improve seedling quality.
Larix olgensisproportion of nitrogen and phosphorusfertilizationseedling quality
NETL
NSTL
万方数据
维普
