. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture. A THIRTY-YEAR FERTILIZER TEST. 131 Plot ? Manure 14 N^P^K 11 P^K 4 K 10 N^K N^P 13 Plaster Thousands of Pounds Period 2 4 6 10 12 14 16 13 20 22 24 2 P 5 Lime Average Of Checks,. Pounds Of Stov^ep to a Bushel of Corn- — South Soil Test. Total yields per acre. Ten corn 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 Massachusetts Agricul
. Bulletin - Massachusetts Agricultural Experiment Station. Agriculture. A THIRTY-YEAR FERTILIZER TEST. 131 Plot ? Manure 14 N^P^K 11 P^K 4 K 10 N^K N^P 13 Plaster Thousands of Pounds Period 2 4 6 10 12 14 16 13 20 22 24 2 P 5 Lime Average Of Checks,. Pounds Of Stov^ep to a Bushel of Corn- — South Soil Test. Total yields per acre. Ten corn 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 Massachusetts Agricultural Experiment Station. Amherst, : Massachusetts Agricultural Experiment Station, 1907-1974
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