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Fertigation techniques for efficient water and nutrient use in agriculture

Code: 9781838796358
Munir J. Mohammad Rusan, Jordan University of Science and Technology, Jordan and International Plant Nutrition Institute (IPNI), USA

Chapter synopsis: Irrigated agriculture constitutes about 20% of the total cultivated land in the world, has much higher crop productivity compared to rainfed agriculture and contributes significantly to meeting the challenge of feeding the world. However, water resources are very limited, especially in the arid and semi-arid regions where irrigated agriculture is most practised. This chapter describes how fertigation (application of nutrients through irrigation water) acts as a powerful and efficient tool to optimize the efficient use of both water and nutrients. The chapter examines the advantages and limitations of fertigation, the prerequisites for successful and efficient fertigation, and the equipment available for fertilizer injection. The chapter also covers fertigation under greenhouse conditions and how the principles of the ‘4 rights’ (4R) can be applied to nutrient stewardship. Finally, the chapter addresses monitoring of soil, plant and water under fertigation, and looks ahead to future research in this area as well as providing guidance on further reading.

DOI: 10.19103/AS.2017.0037.14
Table of contents 1 Introduction 2 Advantages of fertigation 3 Limitations and constraints of fertigation 4 Prerequisites of successful and efficient fertigation 5 Nutrient fertigation 6 Fertilizer injection equipment 7 Fertigation solutions 8 Fertigation under greenhouse conditions 9 Applying the 4R principles of nutrient stewardship 10 Monitoring of soil, plant and water under fertigation 11 Future trends and conclusion 12 Where to look for further information 13 References

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