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Extra resources for Animal-Drawn Wheeled Toolcarriers: Perfected Yet Rejected : A Cautionary Tale of Development
Toolbox. 10. Pitch screw. 11. Adjustable toolbar supports. (Tropicultor Operator’s Manual, ICRISAT 1985). Fig. 4-5: Tropicultor fitted with four-wheel trailer, ICRISAT Centre. (Photo: ICRISAT archives). search for animal-powered implements that could be used in the broadbed system and which could save both time and energy. Wheeled toolcarriers appearedmost suitable, and severaldesignswere evaluated in 1975 (ICRISAT, 1976). ICRISAT did not attempt to re-invent the wheeled toolcarrier, but rather evaluated a variety of preexisting models, including the Kenmore (UK), the Otto Frame (India), the Polyculteur (Senegal) and the Tropiculteur (France).
At least ten Versatools had been made for evaluation, but once it had been decided‘to work only with f the Mochudi toolcarrier they Werenaturally put to one side. Here they formed an example of what was to become an increasiigly common sight in developing countries, a toolcarriw graveyard, which (like many others) could still be seenin 1987. 5 Toolcarriers, mouldboard plows and 1977; EFSAIP, i984). Through their proplow-planters gramme of on-farm trials EFSAIP found the cultivation system devised in conjunction Since the various tine-cultivation mirknum with the Versatool involved too many operatillage systemsthat’had been developedhad tions with high draft requirements and proved inappropriate in on-farm conditions, labour inputs, and that thesewere unaccept-.
45 Fig. 3-18: Mochudi toolcarrier fitted with EFsAIP planter and fkizer FMDU archives). 6 Further on-station trials As will be briefly described in Chapter 5, subsequent research on toolcarriers in BetI’swanahas involved only small-scaleonst:$on trials to evaluate cultivation systems developedat ICRISAT in India. A modified Mochudi toolcarrier and very small numbers of British-manufactured GOM Toolcarriers (Nikart type) and French-manufactured Tropicuitors have been used and have given variable results (EFSAIP, 1984).