Excerpt from A Normal Day's Work for Various Farm Operations<br/><br/>Solving this equation, we find F equals That is, percent of the period is available for field work The following more general formula based on the above considerations, is useful in many ways....
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HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LX-9780266854296
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HRD. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LX-9780266854296
Quantity: 15 available