. Diseases of economic plants. Plant diseases. 456 Diseases of Economic Plants. Fig. 228. — Power sprayer used in shade trees. Fig. 227. Smaller ma- chines differ essen- tially only in capacity. The adaptation of such outfits to various purposes is shown in Figs. 228, 229. The Spray Gun.— A recent development in power spraying is the spray gun. By its use one man can ing low plants, such as strawberries, potatoes, tomatoes, cabbage, etc. Several nozzles are attached and several rows can be treated at one time. Where a number of acres of truck crops are grown, this sprayer is of great advantage
. Diseases of economic plants. Plant diseases. 456 Diseases of Economic Plants. Fig. 228. — Power sprayer used in shade trees. Fig. 227. Smaller ma- chines differ essen- tially only in capacity. The adaptation of such outfits to various purposes is shown in Figs. 228, 229. The Spray Gun.— A recent development in power spraying is the spray gun. By its use one man can ing low plants, such as strawberries, potatoes, tomatoes, cabbage, etc. Several nozzles are attached and several rows can be treated at one time. Where a number of acres of truck crops are grown, this sprayer is of great advantage. Power sprayers. — For operating commer- cial orchards, power sprayers are a neces- sity, and are almost necessary for large home orchards, con- sisting, for example, of 50 or 60 large ap- ple trees. A modern power sprayer for use in large orchards is illustrated in Fig. 226, a still larger one in. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Stevens, Frank Lincoln, 1871- [from old catalog]; Hall, John Galentine, 1870- [from old catalog] joint author. New York, The Macmillan company
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Keywords: ., bookcentury1900, bookdecade1920, bookpublishernewyo, bookyear1921
