雷州半岛无瓣海桑适生土壤调查研究

在雷州半岛红树林设置样地，调查无瓣海桑等5种群落林木生长及土壤性状。结果表明：土壤性状是影响无瓣海桑生长的重要因素，含盐量低的酸性泥质滩涂更利于无瓣海桑的生长，无瓣海桑对土壤具有一定的改良作用。

Study on the Suitable Soil Investigations of Sonneratia apetala in Leizhou Peninsula

The soil investigations for sonneratia apetala in Leizhou peninsula results show that : (1) the soil factors are the important factors influence the growth of sonneratia apetala. Sonneratia apetala stand played a certain role in the soil improvement, at the same time, The different soil condition played a different confined role in the stand productivity of Sonneratia apetala growth. (2) Compared with other 4 types of mangroves, the productivity of Sonneratia apetala is closely related to its environment, reguiring better soil condition and more influenced by the salt and acidity. Some suggestions are put forward in this paper.