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Optimising fertiliser use to maintain soil health

Code: 9781786764126
Bijay-Singh, Punjab Agricultural University, India

Chapter synopsis: Maintaining the health of soils, and therefore their capacity to carry out the ecosystem functions necessary for sustainable food production, is a complex and evolving area of science. This chapter examines management of mineral fertilisers and organic manures in relation to its effects on soil health in terms of soil organic carbon and nitrogen, soil acidification and soil microbiology. The chapter discusses the optimisation of nitrogen, phosphorus and potassium fertilisers use, together with their interactions and interdependency. The chapter considers agricultural systems and practices and offers suggestions for future areas of research.

DOI: 10.19103/AS.2017.0033.27
Table of contents 1 Introduction 2 Effects of fertiliser use on soil organic matter, carbon and nitrogen 3 Effects of fertiliser use on soil microorganisms 4 Effect of nitrogen fertilisers on soil acidity 5 Site-specific nutrient management (SSNM) 6 Use of controlled and slow-release fertilisers, urease and nitrification inhibitors 7 Improving fertiliser placement 8 Integrated use of mineral fertilisers and organic manures for enhancing soil health 9 Future trends and conclusions 10 Where to look for further information 11 References

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