Crop pests include insects, fungi and weeds. It is not common to combine insecticides, fungicides and herbicides (weedkillers) but rather to apply them as individual or single formulations.The pesticide applicator sprayer is normally tractor-mounted and the tractor power-take-off shaft drives the spray pump. Such sprayer equipment (Figure 6) can also be used to apply liquid fertilizer especially where foliar applications are relevant (e.g. cereals).
The history of agricultural growth and mechanization in some of today's industrial countries illustrates this generalization. In 1880, factor endowments differed widely among these countries, with Japan having only 0.65 hectares of land per male worker and the United States about forty times as much (see Binswanger and Ruttan 1978, tables 3-1 and 3-2).

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Crop pests include insects, fungi and weeds. It is not common to combine insecticides, fungicides and herbicides (weedkillers) but rather to apply them as individual or single formulations.The pesticide applicator sprayer is normally tractor-mounted and the tractor power-take-off shaft drives the spray pump. Such sprayer equipment (Figure 6) can also be used to apply liquid fertilizer especially where foliar applications are relevant (e.g. cereals).
The history of agricultural growth and mechanization in some of today's industrial countries illustrates this generalization. In 1880, factor endowments differed widely among these countries, with Japan having only 0.65 hectares of land per male worker and the United States about forty times as much (see Binswanger and Ruttan 1978, tables 3-1 and 3-2).

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