Tillage Methods and Inorganic Nutrients Source’s Interactive Effects in Maize and Beans Performance
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Maize and bean production have been on a declining trend in the majority of households in sub-Saharan African nations, Kenya inclusive. To improve the production of these crops, the current study aimed at assessing the interactive effects of minimum tillage and conventional tillage coupled with inorganic nutrient sources. The experiment was laid under a split-plot arrangement in a randomized complete block design where the tillage methods comprised the main plots whereas the sub plots were occupied by five inorganic fertilizers: NK, NP, KP, NPK, and NPK+Zn+B+Mg+Ca+S. The results indicated maize growth, yields, and chlorophyll concentration were significantly higher under minimum tillage and the combination of NPK+Zn+B+Mg+Ca+S nutrients. In addition, there was a significant effect on the interaction of tillage and inorganic nutrients on maize growth, yields, and chlorophyll concentration. The study, therefore, recommends the use of a combination of NPK+Zn+B+Mg+Ca+S in minimum tillage as viable options for optimal growth and production of maize and beans.