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Research Programme 2026

Research Topics 2026

8 priority studies selected in consultation with local farmers โ€” two complementary axes spanning water efficiency and soil-crop productivity.

STATS BAND
10 Active Sites
3 Regions
8 Studies 2026
500+ Farmers
40โ€“60% Water Saving
TWO AXES GRID

Two Complementary Research Topics

Research Topics 2026

8 priority studies selected in consultation with local producers

๐Ÿ’ง

Topic 1 ยท Minimal Irrigation & Efficiency

Maximise the kg produced / mยณ of water ratio ยท 4 studies

1
๐Ÿ‰ Watermelon (Citrullus lanatus)
Ultra-precise irrigation control with moisture probes

Minimal irrigation with capacitive probes under controlled water stress. Target: โ€“30% water use with no impact on fruit size or commercial yield.

2
๐Ÿฅ• Carrot (Daucus carota)
Influence of irrigation frequency on root quality

Comparison of daily vs. spaced irrigation with a fixed water dose. Agroecological approach using compost as the sole fertiliser. Root quality and yield assessment.

3
๐Ÿฅฌ Pak Choi (Brassica rapa)
Localised sprinkler irrigation controlled by tensiometers

Optimisation for very short-cycle crops (45 days) with high water requirements. Automatic irrigation triggering via tensiometer readings in subhumid zones.

4
๐ŸฅŠ Green Bean (Phaseolus vulgaris)
Drip kit vs. improved gravity irrigation โ€” comparison

Full technico-economic analysis comparing the drip kit system against alternate furrow irrigation. Cost-benefit analysis from the smallholder farmer perspective.

๐ŸŒฟ

Topic 2 ยท Soils, Crops & Productivity

Agronomic optimisation and soil sustainability ยท 4 studies

5
๐Ÿฅ” Potato (G5 Seed Stock)
Full optimisation of the technical cropping pathway

Combined fertilisation, earthing-up and irrigation to maximise production of certified healthy seed potatoes. Primary sites: Analamanga & Talata Volonondry.

6
๐ŸฅŠ Bean (Rainy season)
Integrated cropping practices โ€” Multi-site trial

Optimal sowing dates and weed management to stabilise production under variable rainfall. Trial replicated across multiple sites for robust statistical comparison.

7
๐ŸŒฟ Leek (Allium porrum)
Diagnosis of 3 limiting factors causing leaf desiccation

Comparative evaluation: water deficit vs. nutritional deficiency vs. phytosanitary stress. Site: Ambalamahasoa (Amoron'ny Mania). Identifies the primary cause of early leaf drying.

8
๐Ÿ“ Planting Density
Effect of sowing density on water productivity

Randomised complete block design to measure water competition between plants and optimise the agronomic performance of green bean under minimal irrigation.