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Intra-seasonal rainfall variability, frequent drought, and poor soil fertility constrain crop productivity under rain-fed agriculture in sub-Saharan Africa. Climate Smart Agriculture (CSA) practices such as regenerative agriculture, agroecology, agroforestry, rainwater harvesting, and adjusting planting dates (windows) can effectively mitigate these constraints and enhance the climate resilience of crop production systems. The assessment was conducted using a factorial experiment involving: (i) maize monoculture, (ii) Chololo pits, (iii) Gliricidia sepium, and (iv) Combinations of G. sepium and Chololo pits, each tested across early, normal, and late planting windows. CSA practices and planting windows significantly increased maize grain yields compared to monoculture. The combination of Chololo pits and G. sepium led to a 91% yield increase (3.91 t/ha) in 2017/2018 and a 95% increase (4.1 t/ha) in 2019/2020, compared to monoculture yields of 2.05 t/ha and 2.13 t/ha, respectively. In 2017/2018, normal planting with this combination (Chololo pits and G. sepium) produced the highest yield for that season (4.21 t/ha). Similarly, in 2019/2020, early planting with the same combination (Chololo pits and G. sepium) resulted in the highest recorded yield of 5.1 t/ha. Additionally, the combination of G. sepium and Chololo pits significantly (P = 0.001) increased soil moisture (22.16%) compared to maize monoculture treatment (12.16%). Compared to maize monoculture, these results indicate that combining G. sepium and Chololo pits with climate information can improve yield and build resilience in maize-based farming systems in semi-arid areas.

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Integrating Climate Information and Climate Smart Agriculture Practices Enhances Maize Productivity and Resilience in Semi-Arid Tanzania

  • 章节

  • 发表日期：

    2026年

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  • Abdala S. Liingilie,
  • Deo D. Shirima,
  • Peter Steward,
  • Todd S. Rosenstock,
  • Samora M. Andrew,
  • Anthony A. Kimaro

摘要

Intra-seasonal rainfall variability, frequent drought, and poor soil fertility constrain crop productivity under rain-fed agriculture in sub-Saharan Africa. Climate Smart Agriculture (CSA) practices such as regenerative agriculture, agroecology, agroforestry, rainwater harvesting, and adjusting planting dates (windows) can effectively mitigate these constraints and enhance the climate resilience of crop production systems. The assessment was conducted using a factorial experiment involving: (i) maize monoculture, (ii) Chololo pits, (iii) Gliricidia sepium, and (iv) Combinations of G. sepium and Chololo pits, each tested across early, normal, and late planting windows. CSA practices and planting windows significantly increased maize grain yields compared to monoculture. The combination of Chololo pits and G. sepium led to a 91% yield increase (3.91 t/ha) in 2017/2018 and a 95% increase (4.1 t/ha) in 2019/2020, compared to monoculture yields of 2.05 t/ha and 2.13 t/ha, respectively. In 2017/2018, normal planting with this combination (Chololo pits and G. sepium) produced the highest yield for that season (4.21 t/ha). Similarly, in 2019/2020, early planting with the same combination (Chololo pits and G. sepium) resulted in the highest recorded yield of 5.1 t/ha. Additionally, the combination of G. sepium and Chololo pits significantly (P = 0.001) increased soil moisture (22.16%) compared to maize monoculture treatment (12.16%). Compared to maize monoculture, these results indicate that combining G. sepium and Chololo pits with climate information can improve yield and build resilience in maize-based farming systems in semi-arid areas.