. Bulletin. 1901-13. Agriculture; Agriculture. SUMMARY, 35 A general average of all of these experiments shows that the weeded plats produced per cent as much fodder and per cent as much grain as the cultivated ones. If there was any difference between either set of plats in regard to thoroughness in keepmg down weeds it was in favor of the cultivated plats. Although it remains to be demonstrated how far tliis prmciple may be applied in any particular section, as a general average for all the regions in which this work was done it may be concluded that the proposition just stated i
. Bulletin. 1901-13. Agriculture; Agriculture. SUMMARY, 35 A general average of all of these experiments shows that the weeded plats produced per cent as much fodder and per cent as much grain as the cultivated ones. If there was any difference between either set of plats in regard to thoroughness in keepmg down weeds it was in favor of the cultivated plats. Although it remains to be demonstrated how far tliis prmciple may be applied in any particular section, as a general average for all the regions in which this work was done it may be concluded that the proposition just stated is substantially true. If tliis be accepted, weed control becomes the principal object of cultivation. Weeds may be attacked in two ways: (1) By the use of tillage implements, the primary purpose of which is their eradication, and (2) by adopting cropping systems having that object in view. 257 ADDITIONAL COPIES of this publication -Ti- may be procured from the Supeeintend- ENT OF Documents, Government Printing Office, Washington, D. C, at 10 cents per copy. 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 United States. Bureau of Plant Industry, Soils, and Agricultural Engineering. Washington Govt. Print. Off
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