Advances in Soil Fertility and Crop Management in Conservation Agriculture

A special issue of Horticulturae (ISSN 2311-7524). This special issue belongs to the section "Protected Culture".

Deadline for manuscript submissions: 15 August 2025 | Viewed by 885

Special Issue Editors


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Guest Editor
1. Department of Crop Science, Faculty of Natural and Agricultural Sciences, North-West University, Private Bag X2046, Mmabatho 2790, South Africa
2. Food Security and Safety Niche Area, Faculty of Natural and Agricultural Sciences, North-West University, Private Bag X2046, Mmabatho 2790, South Africa
Interests: conservation agriculture; crop stress physiology; sustainable agriculture

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Guest Editor
Department of Horticulture, Durban University of Technology, Durban 4001, South Africa
Interests: conservation agriculture; nitrogen fertilizer; water deficit; plant adaptation to environmental stress; drought, chilling, heat, and salinity stress; growth of lettuce

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Guest Editor
Unit for Environmental Sciences and Management, North-West University (NWU), Potchefstroom, South Africa
Interests: plant physiology; agro-processing; optimization of agronomic practices in agriculture; conservation agriculture

Special Issue Information

Dear Colleagues,

Soil fertility management is a cornerstone of successful crop production in conservation agriculture (CA). It plays a vital role in improving and maintaining soil nutrients to support plant growth, boost yields, and meet the rising global demand for food driven by exponential population growth.

Over the years, there has been growing recognition of the need to emphasize soil fertility management within CA. Lal (2015) proposed a fourth principle to complement the established CA framework:

  1. Minimal or no soil disturbance.
  2. Permanent soil cover with residue mulch.
  3. Crop rotation.
  4. Integrated nutrient management.

By incorporating integrated nutrient management, CA becomes a more holistic system for sustainable and climate-smart agricultural intensification. This approach enables farmers to achieve higher productivity and profitability while improving soil health and environmental sustainability.

Integrated soil fertility management, an essential component of CA, relies on locally adapted principles and practices to enhance soil health. Such management allows farmers to reduce fertilizer usage while maintaining stable yields and increasing profitability. Advancing our understanding of soil fertility management in different agroecological regions is crucial for sustaining productivity at minimal ecological and economic costs.

The Special Issue “Advances in Soil Fertility and Crop Management in Conservation Agriculture” aims to showcase innovative research and advancements in this field. We invite submissions of cutting-edge studies that contribute to enhancing our knowledge of soil fertility and crop management in CA.

Dr. Nkanyiso J. Sithole
Dr. Khayelihle Ncama
Dr. Nomali Z. Ngobese
Guest Editors

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Keywords

  • soil fertility management
  • conservation agriculture
  • soil quality

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Published Papers (1 paper)

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Review

11 pages, 642 KiB  
Review
Economic Viability of Organic Fertilizers to Improve Growth, Yield, and Quality of Pineapples in Africa: A Review
by Zandile Nkolisa, Babalwa Mpambani, Nangamso Mtamzeli-Cekiso and Khayelihle Ncama
Horticulturae 2025, 11(6), 636; https://doi.org/10.3390/horticulturae11060636 - 6 Jun 2025
Viewed by 262
Abstract
Pineapple (Ananas comosus) is an important crop worldwide, due to its nutritional properties. It is well known as a rich source of vitamins (A, C, and D) and various minerals that are vital in human diets. The aim of this review [...] Read more.
Pineapple (Ananas comosus) is an important crop worldwide, due to its nutritional properties. It is well known as a rich source of vitamins (A, C, and D) and various minerals that are vital in human diets. The aim of this review was to explore the economic viability of organic fertilizers that improve growth, yield, and quality during pineapple production in Africa. This study was conducted through a comprehensive analysis of the literature from peer-reviewed journals. It was reviewed that organic fertilization is a general agricultural approach that prioritizes environmental sustainability, biodiversity, and soil health through the avoidance of chemicals, including inorganic fertilizers. It was also found that organic fertilizers can effectively improve growth performance, yield, and the quality of the pineapple fruit to levels comparable to those of the fruit grown using inorganic fertilizers. Subsistence and smallholder farmers have adopted organic fertilization more than commercial farmers. Various challenges, including high certification costs, limited market access, high operating costs, inadequate farmer training, and limited knowledge on producing fruit using organic fertilizers, have been reviewed. The potential for higher market prices for organically produced fruit was noted, together with the challenges. Despite higher market prices and environmental benefits from organic fertilization, the economic viability of organic fertilizers for pineapple production is constrained by other factors, such as pest management difficulties, as the policies of conservation agriculture limit the use of chemical pesticides or the introduction of alien species as biocontrol agents. Full article
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