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Advances in understanding plant root behaviour and rootzone management in soilless culture systems

Code: 9781801460385
Youbin Zheng, University of Guelph, Canada

Chapter synopsis: A healthy and vigorous root system is essential in soilless plant cultivation. The primary function of roots in soilless systems is water and nutrient uptake. Root nutrient uptake has three characteristics: (1) selective, (2) accumulative, and (3) genotype dependent. Many factors can affect root health and root water and nutrient uptake. To create and maintain a healthy and vigorous root system, it is important to take an integrated rootzone management approach, considering the above characteristics and all the environmental factors. This chapter is a review of our current understanding of root, rootzone, and rootzone management in soilless systems; and it also discusses future research directions in this area.

DOI: 10.19103/AS.2020.0076.01
Table of contents 1 Introduction 2 How a root takes up water and nutrients 3 How environmental factors influence root water and nutrient uptake 4 Root exudates and allelopathy 5 Beneficial micro-organism versus root nutrient uptake and plant pathogen 6 Rootzone management for plant health and productivity 7 Summary 8 Future trends in research 9 Where to look for further information 10 References

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