In North America and Europe, the combination of advanced mechanization systems, agrochemical inputs and plant breeding has produced an increase in farm production of such proportions that ultimately quotas on production had to be imposed to prevent the accumulation of massive food surpluses. The lesson from this experience is abundantly clear.
For smaller, less accessible areas, knapsack sprayers mounted on a persons back and operated by a manually pressurized nozzle are still quite popular and inexpensive. More specialized equipment including high-pressure orchard sprayers, airblast sprayers, electrostatic sprayers, aircraft sprayers and dusters has also been described in Fertilizer Applicators and Plant Protection Equipment (EOLSS on-line, 2002).

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In North America and Europe, the combination of advanced mechanization systems, agrochemical inputs and plant breeding has produced an increase in farm production of such proportions that ultimately quotas on production had to be imposed to prevent the accumulation of massive food surpluses. The lesson from this experience is abundantly clear.
For smaller, less accessible areas, knapsack sprayers mounted on a persons back and operated by a manually pressurized nozzle are still quite popular and inexpensive. More specialized equipment including high-pressure orchard sprayers, airblast sprayers, electrostatic sprayers, aircraft sprayers and dusters has also been described in Fertilizer Applicators and Plant Protection Equipment (EOLSS on-line, 2002).

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