Initial Development of Cowpea Submitted to Wood Ash Doses

Abstract

Cowpea (Vigna unguiculata (L.) Walp.) constitutes one of the principal protein sources for the economically constrained low-income sector. The composition of the wood ash reveals macro and micronutrients, which form an alternative source of high-added value fertilizers, very suitable for low-cost farming systems. The aim of this study was to estimate the use of wood ash as a fertilizer during the early developmental stages of the cowpea. A randomized block design with four replications was selected for the experiment. It was performed in a greenhouse, in pots 1.5 dm-3 capacity, to which five wood ash doses (0, 8, 16, 24 and 32 g dm-3) were added. The following variables were analyzed, viz. plant height, stem diameter, number of leaves, chlorophyll index, shoot and root dry masses, mass and number of nodules, water consumption and water use

Wood Ash as a Corrective and Fertilizer in Safflower Crop in Oxisol of Brazilian Cerrado

“…Bonfim-Silva et al (2015a, 2017a, 2017b) also observed similar findings in their evaluation of the ornamental sunflower, Vigna unguiculata and Canavalia ensiformis, respectively, reported an escalation in the aerial plant parts in the order of 50, 93 and 66%, respectively, for the shoot dry mass plant parts cultivated in soil supplied with nearly 20 g dm -3 of wood ash doses, in comparison with the control treatment. Bonfim-Silva et al (2013) in their assessment of the development in Marandu grass in response to the wood ash doses, confirmed that the root dry mass was inclined to rise as the wood ash doses were applied.…”