Campus Units

Agronomy

Document Type

Article

Publication Version

Published Version

Publication Date

12-2020

Journal or Book Title

African Journal of Agricultural Research

Volume

16

Issue

12

First Page

1652

Last Page

1664

DOI

10.5897/AJAR2020.14932

Abstract

Soil acidification has major ramifications on crop production because low pH soils are less productive. The objective of this study was to determine the effect of limestone application on yield and grain iron (Fe) and zinc (Zn) concentration in newly released high iron and zinc, drought resilient varieties of common bean (NAROBEAN 1 and 3). Using a split-plot in time design, an experiment was set up using three common bean varieties (NABE 15, NAROBEAN 1 and NAROBEAN 3) as split plots and seven rates of limestone as main plots. The experiment was done for two rainy seasons on a Ferralsol soil in central Uganda. The results showed that soil pH, cation exchange capacity (CEC) and soil concentration of Ca and Na increased with greater amounts of limestone applied to the soil. On average, NAROBEAN 1 had 30 and 48% greater yield than NABE 15 and NAROBEAN 3 in both seasons, respectively. Grain Fe and Zn concentrations were not affected by limestone application. However, across seasons, NAROBEAN 3 seeds contained 12 and 15% more zinc and, 10 and 20% more iron than NAROBEAN 1 and NABE 15, respectively. Overall, limestone application did not impact yield or yield components of common bean.

Comments

This article is published as Bulyaba, Rosemary, Andrew W. Lenssen, Kenneth J. Moore, and Onesmus Semalulu. "Limestone application effects on common bean (Phaseolus vulgaris L.) yield and grain iron and zinc concentration on a Ferralsol soil in Uganda." African Journal of Agricultural Research 16, no. 12 (2020): 1652-1664. doi: 10.5897/AJAR2020.14932.

Creative Commons License

Creative Commons Attribution 4.0 License
This work is licensed under a Creative Commons Attribution 4.0 License.

Copyright Owner

The Authors

Language

en

File Format

application/pdf

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