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通过对华南地区沿海１５种有代表性的木麻黄林土壤调查，收集土样４９个，对土样测定了全Ｃｏ、Ｃｕ、Ｚｎ、Ｍｎ和Ｆｅ含量，速效Ｎ、Ｐ和Ｋ含量，有效Ｃａ、Ｍｇ和Ｂ含量及ｐＨ值等１２个指标，结果表明：树木年均高生长量与土壤有效Ｃａ和全Ｚｎ呈显著正相关，而与全Ｍｎ呈显著负相关；树木平均胸径生长量与土壤ｐＨ值和全Ｃｏ呈显著正相关，与全Ｍｎ呈显著负相关；苗高与所有土壤因子无显著相关；苗木地径与Ｐ、Ｍｇ、Ｍｎ有显著正相关，与Ｋ和Ｆｅ呈负相关；苗木侵染率与Ｐ和Ｆｅ有显著正相关，与Ｂ和Ｃｕ呈负相关。但逐步回归分析表明，土壤Ｎ与林木生长及苗木侵染率间无显著相关。同时还探讨了有利于ＶＡ菌根菌侵染的某些土壤因子的变化范围，及土壤类型与ＶＡ菌根菌侵染率的关系。
A total of 49 soil samples were collected from 15 representative Casuarina plants in the coastal areas of South China. The contents of total Co, Cu, Zn, Mn and Fe, available N, P and K, and available Ca , Mg and B content and pH value. The results showed that the annual average height growth of tree was significantly and positively correlated with soil available Ca and total Zn and negatively correlated with total Mn. The average DBH growth of trees was significantly correlated with soil There was a significant positive correlation between pH value and total Co and negative correlation with total Mn. There was no significant correlation between seedling height and all soil factors. There was a significant positive correlation between seedling diameter and P, Mg and Mn, but negative correlation with K and Fe. The infection rate of seedlings was significantly and positively correlated with P and Fe, but negatively correlated with B and Cu. However, stepwise regression analysis showed that there was no significant correlation between soil N and forest tree growth and seedling infection rate. At the same time, we also discussed the range of some soil factors that is beneficial to VA mycorrhizal infection and the relationship between soil types and the rate of VA mycorrhizal colonization.