Full Length Research Paper
Abstract
The exploitation of diverse cropping practices alongside residue incorporation has remained low among small-holder rural farming households in Sub-Saharan Africa. Three-stratum forage system (TSFS) which integrates forages for animal feeds with food crops is a significant sustainable strategy for enhancing residue incorporation. This study was conducted in Busia County in Kenya to; (i) determine the effects of TSFS on yield of diversified food crops grown (ii) to determine the effect of TSFS on growth and physiological responses in food crops grown. In TSFS system, desmodium, brachiaria grass and pigeon peas were grown in the peripheral area of the farm as forages. The treatments were laid on a randomized complete block design at two locations for 3 years (2019, 2020 and 2021), yield in t ha-1, growth and physiological responses in plants measured. The data collected were subjected to Analysis of variance (ANOVA) in SAS software and means separated using LSD at 5% level of significance. Plant growth vigor, physiological responses and yield in t ha-1 were significantly higher in TSFS system where residues were incorporated than in no TSFS system (P<0.001). The results revealed that TSFS cropping system could be a better solution to food security and agro-ecological sustenance.
Key words: Three-Strata forage cropping system (TSFS), crop residue incorporation, food security.
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