通过对雷州半岛桉树人工林大面积土壤调查，揭示了桉树人工林地力退化的现状和特征。
This paper reveals the current status and characteristics of land capacity degeneration of eucalyptus plantation in Leizhou Peninsula through investigation.
应用不同活化剂处理不同性质的磷肥 ，对其在玄武岩母质的桉树人工林土壤中的生物效应及其作用机理进行了研究。
Several activation agents were used to treat various phosphate fertilizers and their biological effect and mechanism in soil under the eucalypt plantation on basalt latolol were studied.
利用已建立的阶跃函数模型可以有效地预测不同桉树品系人工林树冠生长动态，为桉树人工林的合理经营提供科学依据。
With these step function models, the crown diameter growth of Eucalyptus clones can be predicted, and it also provided scientific basis for the reasonable management of Eucalyptus plantations.
通过对雷州半岛桉树人工林大面积土壤调查研究和多点田间试验，揭示了桉树人工林地力退化的成因，提出了可行的防治措施。
By investigation and field trial, this paper reveals the causes of land capacity degeneration of eucalyptus plantations in Leizhou Peninsula, and put forward the control measures.
通过对雷州半岛桉树人工林大面积土壤调查研究和多点田间试验，揭示了桉树人工林地力退化的成因，提出了可行的防治措施。
By investigation and field trial, this paper reveals the causes of land capacity degeneration of eucalyptus plantations in Leizhou Peninsula, and put forward the control measures.
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