Instant Insights

Chapter 1 - Spray technologies in precision agriculture: Paul Miller, Silsoe Spray Applications Unit Ltd, UK

1 Introduction

2 Features of field crop sprayers for precision agriculture

3 Case study 1: designing and developing a system for spot treatment of volunteer potatoes

4 Case study 2: a patch spraying system for applying herbicides to field crops

5 Conclusion

6 Future trends

7 Where to look for further information

8 References

Chapter 2 - Site-specific nutrient management systems: Dan S. Long, USDA-ARS, USA

1 Introduction

2 Processes to inform site-specific nutrient management

3 Regional perspectives

4 Conclusions and future trends

5 Where to look for further information

6 References

Chapter 3 - Developments in the use of fertilizers: Bryan G. Hopkins, Brigham Young University, USA

1 Introduction

2 Nutrient pollution and resource depletion

3 Achieving more sustainable use of fertilizers

4 Developments in nitrogen fertilizers

5 Developments in phosphorus fertilizers

6 Developments in potassium fertilizers

7 Developments in sulfur fertilizers

8 Developments in calcium, magnesium, and micronutrient fertilizers

9 Case study

10 Conclusion and future trends

11 Where to look for further information

12 References

Chapter 4 - Advances in fertigation techniques to optimize crop nutrition: Asher Bar-Tal, Uri Yermiyahu and Alon Ben-Gal, Agricultural Research Organization (ARO), Israel

1 Introduction

2 The right rate at the right time: nutrient consumption curves and supply

3 Irrigation frequency

4 The right place: water, salt, nutrient and root development under irrigation

5 The right source: fertilizer type and source

6 Models and decision support tools for design, operation and optimization of fertigation systems

7 Case studies

8 Conclusion

9 Future trends

10 References