Fertilizing Effectiveness and Gain Sustainability of Pinus massoniana Young Plantation
- Received Date: 1999-12-10
- Available Online: 2012-03-17
Abstract: Thirteen years’test of Pinus massoniana plantation fertilization showed that fertilizing P on red soil area benefited the growth of P.massoniana young plantation, but the effect of fertilizer began appear in the seventh years after fertilizing.N and K had no significant effect on the growth of P.massoniana young plantation and negative effect would appear if overdose fertilizers were applied.N and K would promote the differentiation of forest trees while P could make the stand structure unified.The result of partial correlation analysis showed that P was the key factor affecting the growth of P.massoniana .The effectiveness of fertilizer could last for certain a period and had gain sustainability.The best combination of fertilizer was N1P3K2, i.e.the applying ratio of N, P and K fertilizers should be 0 kg:30 kg:30 kg per hectare.