Farmers and gardeners in semi-arid and arid regions of the world face two associated but separate problems, which limit the crops they can grow and the yield of these crops. The underlying problem is lack of rainfall needed for growing plants. The second is accumulation of salts in the root zone. The two are interrelated, but do not necessarily occur together.

Plants need a certain amount of soluble salts, but excess salts in the root zone reduces plant growth by altering water uptake. When the salt content of soil water is greater than that of the water inside the plant cells, the plant roots cannot absorb the soil water. They may even lose water to the soil. Excess soil salts can also cause ion-specific toxicities or imbalances. In some cases, the cure for these problems is to simply improve drainage. However, salinity problems are often more complex and require proper soil management as well as use of salt tolerant crops.

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  1. Key Resource
    2016-08-17 Farmers and gardeners in semi-arid and arid regions of the world face two associated but separate problems, which limit the crops they can grow and the yield of these crops. The underlying problem is lack of rainfall needed for growing plants. The second is accumulation of salts in the root zone....
  2. 2016-01-19 Prof. Dov Pasternak working in Israel, was among the pioneers of drip irrigation. He researched irrigation with saline water and conducted domestication of arid land crops. He received a UNESCO Chair for his work on desert research. For over 10 years Prof. Pasternak worked as Principal Scientist...
  3. Abstract, In order to evaluate the effects ofSalsola sodaL. andPortulaca oleraceaL. used as companion plants on growth and yield of tomato (Lycopersicon esculentum Mill.) in salt stress conditions, a trial was conducted in soil-filled benches of a greenhouse in Central Italy. The plant...
  4. In recent years, salinity has become the most important issue in fields, gardens and greenhouses as well. This, of course, has forced us to control saline areas, and therefore, many control mechanisms that have been put forward. Many of them (genetics, biochemical and physical) have not brought...
  5. Abstract, 2018, Sustainability Saline irrigation water can lead to salt buildup and reduced crop yields. Halophytic plants are known to accumulate excess salts in tissues, removing them from the immediate environment. This two-phase experiment explored the feasibility of intercropping watermelon...
  6. Abstract, 2008, Soil & Water Research Soil and water salinization are affecting an increasing number of countries in the world, especially in arid and semi-arid regions, and cause sensible reductions of agricultural land extension and of crop yields. Consociation with halophytic plants is a...
  7. Abstract, 2017, Turkish Journal of Agriculture and Forestry Salt-induced land degradation has gradually increased in several major irrigation schemes within arid and semiarid regions. To maximize crop productivity under saline conditions, either salt tolerance crops should be cultivated or areas...
  8. Abstract, 2014, Annals of Botany Recruiting wild halophytes with economic potential was suggested several decades ago as a way to reduce the damage caused by salinization of soil and water. A range of cultivation systems for the utilization of halophytes have been developed, for the production of...
  9. 2006-01-01 This handbook provides a simple identification guide to 125 wild and cultivated plant species in the United Arab Emirate, both common plants and rare ones. These plants are illustrated in color and described in detail to help naturalists, agriculturalist and scientists make positive...
  10. Key Resource 1990-01-01 The agricultural use of saline water or soils can benefit many developing countries. Salt-tolerant plants can utilize land and water unsuitable for salt-sensitive crops (glycophytes) for the economic production of food, fodder, fuel, and other products. Halophytes (plants that grow in soils or...
  11. 2016-01-19 Prof. Dov Pasternak working in Israel, was among the pioneers of drip irrigation. He researched irrigation with saline water and conducted domestication of arid land crops. He received a UNESCO Chair for his work on desert research. For over 10 years Prof. Pasternak worked as Principal Scientist...
  12. Abstract, Annals of Botany, 2015 BackgroundFreshwater comprises about a mere 2·5 % of total global water, of which approximately two-thirds is locked into glaciers at the polar ice caps and on mountains. In conjunction with this, in many instances irrigation with freshwater causes an increase in...
  13. 1990-01-19 Salt-Tolerant Plants for Developing Countries

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