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Home Books Agriculture Agronomy Use of Saline Water in Agriculture

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The scarcity of good quality irrigation water is a serious problem in arid and semiarid zones of the world which comprise one third of the earth. Fresh water resources which are very scarce, forming only 3% of the total water reserves are overexploited and consequently have been tending to cause salinisation. Remaining 97% water in sea is excessively saline and generally not suitable for large scale exploitation in agriculture. More than half of the world s ground water supplies are also saline. Although, to cope with the increasing requirements of the accelerating population, irrigated area in the world in last two centuries has increased from 8 mha (1800) to 220 mha (1990), but development of salinity on about half the irrigated land, caused due to indiscriminate use of waters, has been a serious constraint for optimum crop production. In this context, the rational use of irrigation waters, without development of salinity, is the most important challenging task and herein lies the value of scientific knowledge on the use of saline water in agriculture. The first edition of this monograph was published in 1979 and second revised edition was published in 1990. The purpose of the present third revised edition was to update the relevant information so that the latest synthesised knowledge becomes easily accessible to research workers, teachers, postgraduate students, extension people, and planners, who can utilise it profitably in the diagnosis and improvement of saline water irrigated agriculture. Although, the book contains most of the research work pertaining to India, but the principles and practices of the utilisation of saline waters can be extended safely to many countries of the world, confronted with the similar problems.

1. Origin and Nature of Irrigation Waters
2. Quality of Irrigation Waters - Criterial and Classification
3. Quality of Ground Waters in Arid and Semi-arid Zones of India
4. Effect of Saline Water Irrigation of Soil Properties
5. Crop Tolerance to Saline Conditions
6. Management Practices
7. Alternate Uses and Disposal of Saline Water
Appendix - I - State-wise Area of Arid and Semi-arid Zones of India excluding Cold Desert
Appendix - II - Normal District-wise Annual Rainfall in Arid and Semi-Arid Zones of India