. Cranberries; : the national cranberry magazine. Cranberries. heat conitrol and the last in Oc- tober for frost protection. In 1957 April 20 for frost, 28 degrees reached, from 5:45 to 7 In April, 1957 for frost, six times in September for heat and nine times in October, November for frost. The final cne being November 2, wiDh 22 reached and the dur- ation of sprinkling from 11:15 pjn. to 6:30 In 1958 sprin- kler use began on February 27 for a low of 10 degrees and for heats in June, July and September with a maximum temperattire of 95 on July 27. In 1959 there were 19 frosts from A
. Cranberries; : the national cranberry magazine. Cranberries. heat conitrol and the last in Oc- tober for frost protection. In 1957 April 20 for frost, 28 degrees reached, from 5:45 to 7 In April, 1957 for frost, six times in September for heat and nine times in October, November for frost. The final cne being November 2, wiDh 22 reached and the dur- ation of sprinkling from 11:15 pjn. to 6:30 In 1958 sprin- kler use began on February 27 for a low of 10 degrees and for heats in June, July and September with a maximum temperattire of 95 on July 27. In 1959 there were 19 frosts from April 18 to July 30. Thus the Long Beach Station, which among other things, imder the then-director D. J. Crowley gave the first impetus to the use cf sprinklers in cranberry grow- ing, is, likes the stations in Massa- chusetts and New Jersey, to- gether with various state univer- sities' and colleges of agriculture, providing its part in the devel- opmrnt of cranberry research and knowledge, and always with a practical view in mind. Soil Acidity of Wisconsin Marshes by Dr. George L. Peltier Recently Chandler (Cranberries, Sept., 1960) reviewed the rela- tionship of soil aciidty (pH) to the production of cranberries and incidentally to weed population found in ciiltivated bogs. Through the years the pH of bog soils and flood waters has recieved consid- erable attention, particularly when the pH was' near neutral () or above (alkaline.) The range in pH in Wisconsin bogs is rather a wide one, from (very acid) to near neutral or above (alkialine). Most of the sphagnum bogs arei quite acid (around pH 4 or less). It has been a common practice to add a t;on of agricultural lime per acre to very acid bogs, with an extra 500 lbs. psr acre every third yea \ As the pH is increased ths vines make a healthier looking growth, yields are improved, and the current growth of sphagnum and wood mosses inhibited. Th? use of lime for the killing of patch's. Mrs. Aloha Gustafson, Secretary of
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