The results of seedling stage trial showed that with the pattern of sowing seeds as they are collected, transplanting in the row spacing of 15 cm×20 cm, shading and under normal cultivation conditions, the mean heigh...
By taking split plot design,two year old Chinese fir( Cunninghamia lanceolata )clones were tested.Six fertilization treatments and ten clones were used.The results showed that fertilization could effectively promote t...