The abundance of plant pests in the tropics, including weeds and disease, makes agriculture successful mainly in the plantation system, where needed control measures can be financed. The alternative is to move from deteriorated land to newer fields; this practice of shifting agriculture has also been common, because tropical soils lose their productive capacity so rapidly.
In the meantime, it is imperative that human and animal powered mechanization is made as efficient and attractive as possible to eliminate some of the drudgery associated with it. Substantial investment in research and development by governments, industry and international agencies is required to achieve this goal. For example, it has been proposed that state-of-the-art precision farming technologies could be integrated with animal powered mechanization to enhance land productivity through precise application of crop nutrients and environmentally sensitive tillage systems.

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The abundance of plant pests in the tropics, including weeds and disease, makes agriculture successful mainly in the plantation system, where needed control measures can be financed. The alternative is to move from deteriorated land to newer fields; this practice of shifting agriculture has also been common, because tropical soils lose their productive capacity so rapidly.
In the meantime, it is imperative that human and animal powered mechanization is made as efficient and attractive as possible to eliminate some of the drudgery associated with it. Substantial investment in research and development by governments, industry and international agencies is required to achieve this goal. For example, it has been proposed that state-of-the-art precision farming technologies could be integrated with animal powered mechanization to enhance land productivity through precise application of crop nutrients and environmentally sensitive tillage systems.

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