| Autor: |
Andrew T. Kugedera, Letticia K. Kokerai |
| Jazyk: |
angličtina |
| Rok vydání: |
2024 |
| Předmět: |
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| Zdroj: |
Journal of Sustainable Agriculture and Environment, Vol 3, Iss 1, Pp n/a-n/a (2024) |
| Druh dokumentu: |
article |
| ISSN: |
2767-035X |
| DOI: |
10.1002/sae2.12071 |
| Popis: |
Abstract Introduction Maize production in smallholder farmers located in semiarid areas of Zimbabwe are mainly constrained by soil moisture and nutrient stress. Moisture stress is mainly due to erratic rainfall, high rates of evapotranspiration and limited knowledge of the use of in situ rainwater harvesting (IRWH) techniques. Tied ridges (TRs) are one of the best IRWH techniques which have good potential in mitigating climate change. Materials and Methods The study used TR, planting pit (PP) and conventional tillage (CT) as main factors and four rates (0, 29.25, 58.5 and 89.5 kg N ha−1) of nitrogen (N) as subplot factor. Soil organic carbon and available phosphorous were determined using Oslen method where soils were incubated for 2 h at 110°C. Smallholder farmers are limited to apply large quantities of nutrients hence the need for microdosing. The study objective was to evaluate the effects of nutrient microdosing and IRHW techniques on maize grain yield, rainwater use efficiency (RWUE), nitrogen use efficiency (NUE) and return on investment in semiarid areas of Zimbabwe. Results Interaction of TR and N microdosing significantly (p PP > CT. RWUE and NUE were significantly (p |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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