Agronomic effectiveness of urban market crop waste compost on-farm in Uganda (original) (raw)

2005

Abstract

This study was conducted on-farm in central Uganda to evaluate the agronomic effectiveness of urban market garbage compost. The treatments included included sole and combined application of the nutrient inputs (i) compost at 5 t ha-1, (ii) TSP at 9 kg P ha-1 and (iii) urea at 40 kg N ha-1. The set up included a control (no test inputs applied) and a blanket application of muriate of potash at 40 kg K ha-1. The treatments were replicated at 5 small-scale farms with maize (Zea mays L.), var Longe 4 as the test crop. Maize plants treated with N + P were the tallest, while those in the control were the shortest. However, compost + N gave the highest stover and grain yields, representing increases of 89 and 177%, respectively, over the control. This is a phenomenal productivity improvement despite the unfavourably scanty rains received during the study period. Further studies are needed over several cropping seasons to obviate the effects of unfavourable weather. Equally imperative is th...

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