Abstract
In mushroom production it is necessary to design a growing pattern to balance yield against cost and to reduce energy use. Effects of use of multiple layer of compost in cultivation on energy consumption in mushroom cropping rooms were examined. Treatments included 1 layer (control), or 2, 3 or 4 layers of compost applied at the mycelium running stage. Numbers of compost layers did not affect fresh weight of mushrooms, number of mushrooms, yield and biological efficiency but hastened pinheads formation. Since there were no differences between layers of compost and control on yield and biological efficiency it appears that 2 layers will be sufficient to improve time to pinhead formation without negative effect on yield.
Highlights
Agaricus bisporus (Sing) is one of the most important cultivated, edible, mushrooms [1,2,3,4]
Temperature must be controlled, with the optimum temperature for mycelium growth being between 25°C and 28°C which require consumption of energy [10]
Energy consumption in Iran is higher than international standards [14]
Summary
Agaricus bisporus (Sing) is one of the most important cultivated, edible, mushrooms [1,2,3,4]. It contains high amounts of protein, minerals, vitamins D, K, B and sometimes A and C [4,5]. Button mushroom has vegetative and reproductive stages. Temperature must be controlled, with the optimum temperature for mycelium growth being between 25°C and 28°C which require consumption of energy [10]. Agriculture and mushroom production ( it is only a small part of agriculture) is a large consumer of energy [11]. Energy consumption in mushroom production has increased [13]. Energy consumption in Iran is higher than international standards [14]
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