A Survey on Compact Multipurpose Agricultural Machines for Soil Cultivation and Seed/Fertilizer Dispensing

The surveyed literature shows a consistent need for affordable, compact machinery for small and medium-sized farms, and demonstrates that sowing performance depends on metering design, calibration and field conditions. It also shows that a machine should be judged on measured performance and cost, not on the number of functions alone. Evidence on compact machines that combine soil cultivation with controlled seed or granular fertilizer dispensing is limited in the reviewed set, which motivates the proposed prototype. Its performance, reliability, safety and cost-effectiveness will be established through calibration and field trials, and no benefit is claimed before that testing.

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