Abstract
Sorghum [Sorghum bicolor (L) Moench) is a major grain crop in Burkina Faso. Two three-year experiments were conducted in the Sudanian and Sudano-Sahelian zones to determine how plant nutrient concentrations are affected by tillage methods (T) and soil amendments (SA). In both locations, T and SA had little effect on grain and stover nutrient concentrations with some cases of inconsistency across years. Some nutrient concentrations differed by year. The grain nutrient concentrations of N, P, Mg, S, Zn, and Fe were adequate for human nutrition at both locations, but deficient for K, Ca, Mn and Cu. Sorghum nutrient concentrations for feeding cattle were adequate for K, Ca, Mg, S, Mn, and Zn in most cases at both locations but low for N, P, and Cu. The stover N and P concentrations also appeared to be deficient for optimal plant growth. In both agroecological zones, nutrient applications or genetic enhancement to improve deficient nutrient concentrations, or use of diverse foodstuffs, or biofortified sorghum to provide deficient nutrients in human and cattle diets is needed to meet dietary requirements. In addition to grain and stover yield, studies need to evaluate grain nutrient and stover nutrient concentrations to meet human and cattle dietary requirements.
Highlights
Taro (Colocasia esculenta (L.) Schott) is a tuber crop in the Araceae family, which is cultivated in tropical and sub-tropical countries
The field survey indicated that taro leaf blight disease was prevalent in Fako Division
The incidence ranged from 77.9 to 96.5%; the highest results were recorded in Mile 16 and Ekona while the lowest were obtained in Bokova
Summary
Taro (Colocasia esculenta (L.) Schott) is a tuber crop in the Araceae family, which is cultivated in tropical and sub-tropical countries It is an ancient crop which has been a key component of livelihoods for millions of people in developing countries, especially in Africa and Southeast Asia [1]. It is mostly cultivated by small-scale farmers in the North-West, South-West and Western Regions of Cameroon. It is rich in nutrients such as carbohydrates and minerals [2]. The disease affects the leaves, petioles, corms and cormels, and causes heavy yield losses which may exceed 50% in severe cases [7]
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