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薪炭林是重要的能源之一。本试验测定了31种木材的燃烧值。不同木材的燃烧值差异很大达到0.6—1千卡/克。燃烧值的大小和木材碳、氢、氧三种元素的含量和它们所组成的物质种类有关。灌木或乔木的一二年生枝条的燃烧值可参考重量燃烧值;对木材则要参考体积燃烧值。试验结果说明,檫树、湿地松、马尾松、光皮桦、胡枝子等可作为营造薪炭林的树种;壳斗科树种具有较强的萌芽力,在立地条件差的地方也可作为薪炭林树种。
Firewood forest is one of the important energy sources. The test measured the burning value of 31 kinds of wood. Burning value of different wood is very large 0.6-1 kcal / g. The value of the burning value and the content of the three elements of wood carbon, hydrogen, and oxygen are related to the kinds of substances they are composed of. Burning value of biennial branches of shrubs or trees can refer to the weight burn value; for wood, the volume burn value can be referred to. The results showed that saplings, Pinus elliottii, Pinus massoniana, Betula luminifera, Lespedeza notoginseng, etc. could be used as tree species for fuelwood plantation. Fagaceae species had strong germination ability and could also be used as firewood plantations in poor site conditions species.