Studies of low energy and minimum time cultivation techniques: Preliminary investigation of precultivation and fallow periods on maize

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Abstract
The high energy requirement and time involved in conventional cultivation techniques could be reduced by a suitable multiple-operation implement. Before investigating the potential of such a machine a field trial was laid down to assess the importance of a fallow period. The effects of precultivation operations on maize yield and weed control by several cultivation techniques were also compared. A fallow period was not necessary if suitable precultivation operations were carried out. Weed control was generally good apart from the rotary-cultivated plots. Development of a once-over implement has begun and further field trials have been laid down to examine the effects of such a cultivation technique on crop yields and soil structure over a long term.

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