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《林业化学除草科普挂图》重点介绍了化学除草的基本原理、除草剂的种类、除草剂的使用方法和注意事项,用于指导苗圃除草、铁路除草、防火道的开建等。定价20元。《西北地区薪炭林科普挂图》和《西南地区薪炭林科普挂图》重点介绍了西南、西北地区薪炭林树种的种类、栽植技术及薪材特点,对于培育薪炭林,减轻对森林的破坏,促进生态建设具有重要作用。分别定价15元。
The “Forestry Chemical Weeding Science Popularization Chart” focuses on the basic principles of chemical weeding, the types of herbicides, the usage of herbicides and precautions, which are used to guide nursery weeding, railway weeding and fire prevention. Price 20 yuan. “Fireworks in Southwest China” and “Fireworks in Southwest China” are mainly focused on the types of firewood trees in southwestern and northwestern regions as well as planting techniques and fuelwood characteristics, which will help foster firewood forests, reduce damage to forests and promote ecology Construction has an important role. Respectively, priced at 15 yuan.