|
Abstract: Experiments were started m 1948 to determine whether supple menting horse manure with proteins minerals and vitamins would increase the yields of mushrooms The experiments were conducted m houses constructed especially for such work Sufficient manure for each experiment was composted m a single heap for approximately two weeks The manure, usually medium m straw, contained roughly 130 per cent of water at the time of delivery It was turned 3 times and gypsum was added at the second turning at the rate of 30 lb per ton. Ihe experiments were made with boxes, 6 inches m depth, having a surface area of 3 5 square feet Sufficient manure to fill all the boxes of a replicate series was removed from the mam heap and mixed to insure that it was uniform The supplements were mixed with this manure just previous to filling each box They were filled at the rate of approximately 150 square feet per ton of original manure There were 12 boxes m each of the six or more replicate blocks, which were ran domized on the same bed-level m the growing rooms After pasteurization for 10 days with temperatures ranging from 120° 145° F the growing rooms were maintained at a temperature of 58°—64° F The pi' king period was usually about 65 days for all experiments and the yields were recorded as cut mushrooms with the stubs removed Growing conditions were apparently satisfactory and the manure was at least aveiagc quality since the mean yield of the check beds was 1-7 lb per square foot of bed space or 255 pounds per short ton of fresh manure.
Full text download: ISMS subscribers
ISHS members & pay-per-view
Translate:
   |