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CAB eBooks

Ebooks on agriculture and the applied life sciences from CAB International

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Full TextCABI Book Chapter InfoOpen Access
Cover for Supporting vulnerable communities in the Eastern Cape: assessing the rainfall evidence.

Decline in mean annual rainfall of over 10% has been experienced widely in the Eastern Cape over the past 20 years. In many cases, this means that annual rainfall of about 500 mm in the past is now about 400 mm, and the summer seasonal rainfall has declined from 400 mm to 300 mm. This means that...

Author(s)
Auerbach, R.
ISBN
2020 CABI (H ISBN 9781786399601)
Type
Book chapter
Full TextCABI Book Chapter InfoOpen Access
Cover for The rapid incineration field test as an accurate, cost-effective and practical tool for estimating soil carbon in Africa.

Determining soil carbon levels is not an exact science; variability due to sampling technique and method of determination has been documented over the years. Current methods for soil carbon determination are expensive, energy intensive, time-consuming and use potentially hazardous chemicals. To...

Author(s)
Ackhurst, A.; Auerbach, R.; Louw, J.
ISBN
2020 CABI (H ISBN 9781786399601)
Type
Book chapter
CABI Book Chapter Info
Cover for Soil, nutrients, and organic matter.

This chapter discusses the following topics: (i) origin and importance of soils; (ii) soil physical properties; (iii) soil and plant nutrition; (iv) nutrient cycles and anthropogenic climate change; (v) managing soil organic matter; (vi) composting; and (vii) soil resources.

Author(s)
Cleveland, D. A.; Soleri, D.; Smith, S. E.
ISBN
2019 CAB International (H ISBN 9781789240986)
Type
Book chapter
Full TextCABI Book Chapter InfoOpen Access
Cover for Comparative water use efficiency and water retention in the Mandela trials.

With the world's growing population and our limited natural resources, there is a need to produce more food using fewer inputs, especially fresh water. Water is a critical resource in agriculture and may be more of a limiting factor than other crop growth requirements. As water availability is...

Author(s)
Eckert, C.; Auerbach, R.; Lorentz, S.
ISBN
2020 CABI (H ISBN 9781786399601)
Type
Book chapter
Full TextCABI Book Chapter InfoOpen Access
Cover for Initial assessment of selected biological soil health indicators in organic versus conventional cropping systems in field trials in South Africa.

Agricultural sustainability is built on the premise of promoting soil health. Agricultural practices such as tillage, crop rotation, cover crops and fertilization have been credited with shifts in the soil food web which affects many aspects of soil health. The aim of the current study was to...

Author(s)
Sibiya, M.; Habig, J.; Storey, S.; Labuschagne, N.
ISBN
2020 CABI (H ISBN 9781786399601)
Type
Book chapter
Full TextCABI Book Chapter InfoOpen Access
Cover for Soil fertility changes and crop yields from the first 4 years of the Mandela trials.

Long-term farming systems trials (the Mandela Trials) showed that organic farming systems initially had lower yields than conventional systems in the first 2 years (20% and 31% lower, respectively). In the third (drier) year, the yield gap was closed once soils had improved biologically and...

Author(s)
Swanepoel, M.; Auerbach, R.; Mashele, N. J.
ISBN
2020 CABI (H ISBN 9781786399601)
Type
Book chapter
CABI Book Chapter Info
Cover for Precision nutrient management.

This chapter will focus on cumulative fertigation research undertaken primarily in high-density apple and cherry as a case study of the practical application of fertigation. Thus, the information is most relevant to semi-arid fruit-growing regions, where irrigation is required to achieve...

Author(s)
Neilsen, G.; Neilsen, D.
ISBN
2018 CABI (H ISBN 9781780648507)
Type
Book chapter
CABI Book Chapter Info
Cover for Building soil health, improving carbon footprint and minimizing greenhouse gas emissions through CSR.

Unabated soil degradation due to low soil organic carbon (C) levels, multiple nutrient deficiencies including micro- and secondary nutrients, rising salinity and soil loss due to erosion jeopardizes food security of swiftly rising global population projected to be 9.7 billion by 2050. Soils also...

Author(s)
Girish Chander; Wani, S. P.; Pardhasaradhi, G.; Patil, M. D.; Rao, A. N.
ISBN
2018 CAB International (H ISBN 9781786394514)
Type
Book chapter
CABI Book Chapter Info
Cover for Efficacy of entomopathogenic nematodes against coleopteran pests.

Entomopathogenic nematodes (EPNs) are among one of the safer biological control agents used for the control of coleopteran insects. The efficacy of EPNs is influenced by several factors such as host-finding mechanism, adaptability to environment and the presence of host range, etc. The application...

Author(s)
Banu, J. G.
ISBN
2017 CABI (H ISBN 9781786390004)
Type
Book chapter
CABI Book Chapter Info
Cover for Indigenous soil enrichment for food security and climate change in Africa and Asia: a review.

This chapter considers indigenous soil knowledge, notably in respect to processes of soil enrichment which are argued to be more widespread in Africa and Asia than thought. The chapter draws attention two areas of practice: (i) cultivating ruined settlement sites (rendered rich in organic material...

Author(s)
Fairhead, J.; Fraser, J.; Amanor, K.; Solomon, D.; Lehmann, J.; Leach, M.
ISBN
2017 CABI (H ISBN 9781780647050)
Type
Book chapter

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