By Jianfeng Zhang
The latest advances in examine on coastal saline soil rehabilitation and usage in response to forestry technique are mentioned. The forestry method is emphasised instead of actual or engineering measures to ameliorate saline soils, that is major for coastal environmental development and land assets growth. The monograph is an invaluable reference for researchers utilizing suggestions of ecology, forestry and agronomy.
Prof. Jianfeng Zhang works on the Institute of Subtropical Forestry, chinese language Academy of Forestry. He has been engaged on afforestation in saline soils for over 20 years.
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Extra resources for Coastal Saline Soil Rehabilitation and Utilization Based on Forestry Approaches in China
Some crops, such as sugar beets and cotton, are tolerant to EC levels between 4 and 8 dS/m. The growth and yields of most crops are affected at EC values of >16 dS/m. The impacts of urban salinization on urban structure can be summarized as follows: 1. Damage to houses, buildings, and other structures caused by the deterioration of brick, mortar, and concrete due to saline water crystallizing in brickwork. 2. Corrosion of metal buried in the ground or set in structural concrete may also occur. 3.
Owing to the adverse conditions of such soils, crops are unable to grow, but planting trees by suitable means is possible. Forestation is not only one way for saline–alkali soil utilization but can also improve soil properties and maintain ecological balance (Bohnert et al. 1995). Thus, it is important to discuss the principles and techniques of forestation in salt-affected soil. J. 1 Salinity Tolerance of Trees Salts are a critical limiting factor for tree survival and growth, and so understanding the mechanisms of salinity tolerance in trees is fundamental when it comes to planting trees in salt-affected soil.
After trees are established on saline land, the water table can decline through increased discharge and decreased recharge. Additionally, total salt content can decrease—especially in the soil surface profile and topsoil—and adverse soil physical and chemical states can be ameliorated. References 13 Fig. 2 Plantation of Casuarina equisetifolia L. at Sanya, Hainan (Photograph taken by Zhang Jianfeng) References Gupta GN, Mohan S, Prasad KG (1987) Salt-tolerance of selected tree seedlings. J Trop Forest 3(3):217–227 Kovda VA (1983) Loss of productive land due to salinization.