This section is from the book "Vegetable Gardening", by Ralph L. Watts. Also available from Amazon: Vegetable Gardening.
The increased price of land, labor and supplies makes it imperative for the gardener to use labor-saving implements, with which the work can usually be done better and cheaper than by any hand method. In the purchase of tools and implements for vegetable gardening, the following factors should be considered: (1) The efficiency of the tools and the adaptation to the work to be done; (2) the rapidity with which the work may be done; (3) the ease of operation to team and workmen; (4) durability; and (5) cost.
 
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plants, crops, gardening, cultivated, harvesting, food ,greenhouses, fertiliser, vegitables