Abstract
Maize (Zea mays) is Ghana’s most important cereal crop grown in all agro-ecological zones by smallholder farmers. The average yield of maize (1.7 tha-1) is far below attainable yield of 5.5 tha-1. This is due to reliance on rain fed farming, local seed varieties and low inputs use. Farmers face many challenges in their attempt to adopt the use of fertilizer to improve their maize production. To unearth these challenges, data on the potential and limitations to maize fertilization in the maize belt of Ghana were collected through a farm level survey in October 2011. A four stage randomized sampling procedure was used to select 168 maize farmers who were interviewed using formal questionnaire. Some of the farmers especially, settlers do not have land of their own and have to rely on tenancy arrangements to access land for farming. Farmers were of the view that their crop lands are gradually declining in fertility. Almost 55% of the farmers practise continuous maize cropping. The lack or low accessibility to credit and high cost of fertilizer are the key constraints to farmers’ ability to expand their maize farming. Additionally, the mode and distance needed to transport fertilizer to the farm is a disincentive. Key words: Maize, fertilizer use, Ghana, farmers, continuous cropping.
Highlights
Maize (Zea mays) is Ghana’s most important cereal crop, accounting for 55% grain output (Angelucci, 2012)
Data on the potential and limitations to maize fertilization in the maize belt of Ghana were collected through a farm level survey in October 2011
The vast majority of maize is produced by smallholder farmers under rain fed conditions
Summary
Maize (Zea mays) is Ghana’s most important cereal crop, accounting for 55% grain output (Angelucci, 2012). It is grown by the vast majority of rural households in all parts of the country except the Sudan savannah zone where it is gaining prominence (Morris et al, 2001). The MoFA estimated the annual domestic deficit from 2007 to 2011 to be between 84,000 and 145,000 metric tons and is projected to reach 267,000 metric tons by 2015 These represent the shortfall in domestic production of between 9 and 15% of total human consumption in the years under review (Armah, 2000). Beyond these projected figures for house-hold consumption, there is considerable unfulfilled demand for processed maize uses and for the growing animal feed sector within
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