Inter-sowing of green manure cowpea @ 20 kg/ha between elephant foot yam pits
Incorporation of green matter in pits at 45-60 days.
The green matter addition from the 2 green manure crops should be 20-25 t/ha
Biocontrol agents
Treatment of corm pieces of 500-750 g with slurry containing cowdung, neem cake and Trichoderma harzianum (20g/kg seed) and drying under shade before planting.
Application of Trichoderma harzianum incorporated FYM @ 36 t /ha or 3 kg/ pit.
Preparation of Trichoderma enriched FYM (1 ton) - FYM, neem cake mixture (10:1) inoculated with Trichoderma harzianum @ 2.5 kg.
For the formation of Trichoderma enriched FYM it takes:
15 days - Trichoderma multiplied in FYM alone
7-8 days-Trichoderma multiplied in FYM along with neemcake
Organic control measures
Use of organically produced planting materials
At the time of planting - Application of neem cake @ l.0 t/ ha or 80-85 g/ pit
At the time of incorporation of green manure - Application of ash @ 3 t /ha or 250 g/pit