Table 3 Treatments implemented at Kangutu primary school farm (00° 98′ S, 37° 08′ E).
Treatment | Abbreviation |
|---|---|
Conventional tillage (farmers' practice) | Ct |
Conservation tillage (minimum tillage) | Mt |
Conservation tillage with inorganic fertilizer | F |
Conservation tillage with maize residue + inorganic fertilizer | RF |
Conservation tillage with maize residue + inorganic fertilizer + manure | RFM |
Conservation tillage with maize residue + manure + legume intercrop (Dolichos Lablab L.) | RML |
Conservation tillage with maize residue + Tithonia diversifolia L. + manure | RTM |
Conservation tillage with maize residue + Tithonia diversifolia L. + phosphate rock (Minjingu) | RTP |