. Cranberries; : the national cranberry magazine. Cranberries. I spring minimum temperature probabilities in the vicinity of :ranberry bogs in new jersey CLARENCE M. SAKAMOTO and HAROLD SCOTT This particular study was prompted by the question: "If a cranberry bog was drained in the spring, what is the chance of receiving a critically low temperature thereafter?" A re- lated and possibly more im- portant question from a prac- tical view is: "If one drained his bog after a particular spring date, how many more critically lew temperatures can one ex- pect?" The earlier the bog
. Cranberries; : the national cranberry magazine. Cranberries. I spring minimum temperature probabilities in the vicinity of :ranberry bogs in new jersey CLARENCE M. SAKAMOTO and HAROLD SCOTT This particular study was prompted by the question: "If a cranberry bog was drained in the spring, what is the chance of receiving a critically low temperature thereafter?" A re- lated and possibly more im- portant question from a prac- tical view is: "If one drained his bog after a particular spring date, how many more critically lew temperatures can one ex- pect?" The earlier the bogs are drained, the greater the poten- tial for growtn and yield, pro- vided no damaing temperatures occurs after drainage. Not only are the answers to these questions potentially use- ful in long-range planning, but they may provide information which affects day-to-day decis- ions. For example, short-lived warm periods during early spring can mislead growers into draining their bogs prematurely. On the other hand, if the water level in the reservoir is low, it may be best to delay drainage until the frost danger is over, even though a warm spring may be in progress. Although growers generally know when bogs should oe drained so as to minimize the danger from low temperatures, these periods have been ex- pressed as "not too good" or "good," meaning potential dan- ger from low temperature. Tem- perature probability tables for the cranberry-growing area of New Jersey on a microclimatic Continued on Next Pa^e TABLE 1 DATES ON INDICATED UHIGH CHANCE OF LAST OCCURRENCE OF TEMPERATURE (OR LOVER) DECREASES TO INDIAN HILLS 32 28 24 90% 75% PROBABILITY 67% 66% 33% 25% 10% APR APR MAR 16 4 16 APR APR HAR 23 11 24 APR APR MAR 25 14 27 APR APR APR 30 19 2 MAY 5 APR 24 APR 8 MAY 8 APR 27 APR 11 MAY 18 MAY 4 APR 18 BELLEPLAIN 32 28 24 APR MAR MAR 14 25 6 APR APR MAR 21 2 14 APR APR MAR 24 5 18 APR APR MAR 29 11 24 MAY 4 APR 17 MAR 30 MAY 7 APR 10 APR 2 MAY 14 APR 18 APR 11
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