| 1. | Technical regulations on improvement of low yield timber forest 低产用材林改造技术规程 |
| 2. | Food safety current situation and countermeasure of fruit and vegetable in china 我国速生丰产用材林建设现状与对策 |
| 3. | The cuttings of main poplar cultivars for fast growing and high yield plantation 杨树速生丰产用材林主要栽培品种苗木 |
| 4. | Forestation overall design regulations for intensively managed timber - forest base 集约经营用材林基地造林总体设计规程 |
| 5. | The current situation and feasible measures for the artificial timber forest construction in ji ' an city of jiangxi province 江西省吉安市人工用材林建设现状和发展对策 |
| 6. | The results showed that the standard rent of forestland in northern of fujian province was confirmed by 30 percent of increase of the average rent 结果表明:闽北用材林林地的标准地租是基于平均地租上浮30 %基础上确定的。 |
| 7. | Shaoguan is a key forest zone in china , a center of timber forest , water - source forest , natural forest and a key center of bamboo of guangdong , and an ecological barrier for the pearl river delta 韶关是中国重点林区,广东用材林、水源林、天然林和重点毛竹基地,珠江三角洲的生态屏障。 |
| 8. | Chins have implemented natural forest protection project , grain for green program , fast - growing and high - yielding progrm , and shelterbelt forestry project etc . in succession since the year of 1998 摘要1998年以后,国家相继实施了天然林保护工程、退耕还林工程、京津风沙源治理工程、野生动植物保护及自然保护区工程、速生丰产用材林工程和防护林工程6个林业重点工程。 |
| 9. | Compared with its characteristics in land resources with more mountains and steep sloop farmland , the land in guizhou province is over farming , a broad land in appropriate for developing as plantation , forestry or pastureland is not used in full 13为有林地中成熟林和过熟林不且且仅面积小,且下降趋势明显;用材林中近、过、成熟林资源更濒临枯竭,蓄积量还达不到1979年的水平。 |
| 10. | There have been lots of fields of sand area resources development in china including forest construction for timber base , peat resource development and utilization , thermal tube technique application , exploration of petroleum and natural gas , and all are with certain scales 我国对沙区资源的开发利用已扩大到多个领域,沙区用材林基地建设、泥炭资源开发利用、热管技术应用、石油天然气开采等都初具规模。 |