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The concept of timeliness recognizes that there is an optimum time to perform certain crop production operations from planting through to harvesting. If one or more of these operations is performed too early or too late, a timeliness penalty is likely to accrue, that is, yield and/or the quality of the crop is diminished, yielding a lower price to the farmer. For example, the ideal time to harvest grain is when the crop is ripe and the moisture is low (see also, Maintaining Working Conditions and Operation of Machinery).
Protection from insect infestation may be accomplished by a combination of measures including temperature reduction and occasional fumigation. Irradiation has also been proposed to control insect infestation in cereals and other products but the cost of this expensive and controversial technology is prohibitive and in any event is limited to off-farm use.

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The concept of timeliness recognizes that there is an optimum time to perform certain crop production operations from planting through to harvesting. If one or more of these operations is performed too early or too late, a timeliness penalty is likely to accrue, that is, yield and/or the quality of the crop is diminished, yielding a lower price to the farmer. For example, the ideal time to harvest grain is when the crop is ripe and the moisture is low (see also, Maintaining Working Conditions and Operation of Machinery).
Protection from insect infestation may be accomplished by a combination of measures including temperature reduction and occasional fumigation. Irradiation has also been proposed to control insect infestation in cereals and other products but the cost of this expensive and controversial technology is prohibitive and in any event is limited to off-farm use.

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