一、前言从林木球果中提取种子的方法多采用热烘法,所用的加热方法有电加热、火焰加热和日光加热。我国长期以来都是采用后两种加热法。在我国南方各林区都采用目光加热,即利用太阳光辐射进行爆晒。这种方法具有一个爆晒场地即可,不需要加热设备,节约能源,比较经济。但是生 First, the preface The method of extracting seeds from the coniferous forest uses the hot bake method, the heating method used is electric heating, flame heating and sunlight heating. My country has long been using the latter two heating methods. In the south of our country are used foresight heating, that the use of solar radiation exposure sun. This method has a blasting venues can be, do not need heating equipment, energy conservation, more economical. But students