Download e-book for kindle: Coastal Saline Soil Rehabilitation and Utilization Based on by Jianfeng Zhang

By Jianfeng Zhang

ISBN-10: 3642399142

ISBN-13: 9783642399145

ISBN-10: 3642399150

ISBN-13: 9783642399152

The latest advances in study on coastal saline soil rehabilitation and usage in line with forestry strategy are mentioned. The forestry process 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 thoughts 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 info for Coastal Saline Soil Rehabilitation and Utilization Based on Forestry Approaches in China

Example text

2. Corrosion of metal buried in the ground or set in structural concrete may also occur. 3. Shifting or sinking of foundations may result in structural cracking, damage, or collapse. Damage to heritage buildings may be of particular concern, and land values may be adversely affected by salinity. 4. Salt damage to roads and highways, including the breakdown of concrete, bitumen, and asphalt with associated pot-holing, cracking, and crumbling of the road base. 5. Damage to underground pipes, cables, and other infrastructures due to the breakdown of unprotected metal, cement, and other materials.

Especially in China, the most populated country in the world, the cultivated land area is far from sufficient in terms of population growth. Moreover, farmland is gradually declining with the rapid progress of urbanization. 12 2 Salt-Affected Soil Resources in China Fig. 1 Saline soil in Dongying, Shandong province (Photograph taken by Zhang Jianfeng) The improvement and use of saline soils should take into account seasonality, local conditions, and crop types and combine specialized use with comprehensive controls.

In arid and semiarid regions, rainfall is low, and when surface water cannot meet the demands of plants, underground water is instead exploited. When this water is transported upwards, it carries with it minerals that are taken up by plants, and extra salts subsequently accumulate in surface soil layers. Hence, drought and salinization often occur at the same time. Therefore, when selecting tree/shrubs species, their capacity to deal with drought and waterlogging must also be taken into account (Zhang 1997).

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Coastal Saline Soil Rehabilitation and Utilization Based on Forestry Approaches in China by Jianfeng Zhang

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