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Agronomy 2015, 5(3), 262-290; doi:10.3390/agronomy5030262

A Review of Nutrient Management Studies Involving Finger Millet in the Semi-Arid Tropics of Asia and Africa

Department of Plant Agriculture, University of Guelph, 50 Stone Road East, Guelph, ON N1G 2W1, Canada
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Author to whom correspondence should be addressed.
Academic Editor: Yantai Gan
Received: 20 May 2015 / Revised: 18 June 2015 / Accepted: 19 June 2015 / Published: 30 June 2015
(This article belongs to the Special Issue Advanced Agronomy with Impact for Food Security)
View Full-Text   |   Download PDF [1400 KB, uploaded 30 June 2015]   |  

Abstract

Finger millet (Eleusine coracana (L.) Gaertn) is a staple food crop grown by subsistence farmers in the semi-arid tropics of South Asia and Africa. It remains highly valued by traditional farmers as it is nutritious, drought tolerant, short duration, and requires low inputs. Its continued propagation may help vulnerable farmers mitigate climate change. Unfortunately, the land area cultivated with this crop has decreased, displaced by maize and rice. Reversing this trend will involve achieving higher yields, including through improvements in crop nutrition. The objective of this paper is to comprehensively review the literature concerning yield responses of finger millet to inorganic fertilizers (macronutrients and micronutrients), farmyard manure (FYM), green manures, organic by-products, and biofertilizers. The review also describes the impact of these inputs on soils, as well as the impact of diverse cropping systems and finger millet varieties, on nutrient responses. The review critically evaluates the benefits and challenges associated with integrated nutrient management, appreciating that most finger millet farmers are economically poor and primarily use farmyard manure. We conclude by identifying research gaps related to nutrient management in finger millet, and provide recommendations to increase the yield and sustainability of this crop as a guide for subsistence farmers. View Full-Text
Keywords: finger millet; nutrient management; nitrogen; phosphorus; potassium; micronutrients; farmyard manure; biofertilizers; organic fertilizer; integrated nutrient management finger millet; nutrient management; nitrogen; phosphorus; potassium; micronutrients; farmyard manure; biofertilizers; organic fertilizer; integrated nutrient management
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Thilakarathna, M.S.; Raizada, M.N. A Review of Nutrient Management Studies Involving Finger Millet in the Semi-Arid Tropics of Asia and Africa. Agronomy 2015, 5, 262-290.

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