| 1. | Rodent and pest accelerated the serious situation 只有合理利用和保护天然草地,综合治理退化草地 |
| 2. | Parameters for degradation , sandification and salification of rangelands 天然草地退化沙化盐渍化的分级指标 |
| 3. | Discussion on the countermeasures and techniques of grassland protection in northwest china 论西北天然草地保护对策与技术 |
| 4. | Soil features and control strategies for development of natural grassland in tongliao city 通辽市天然草地土壤性状特征及整治对策 |
| 5. | Mechanize technology and related machines of make up for sow and mend on the natural meadow 天然草地机械化补播改良技术及配套机具 |
| 6. | The resources of alashan natural grassland and the development of animal husbandry in alashan league 阿拉善天然草地资源及其发展畜牧业的主要途径 |
| 7. | With the implementation of “ green for grain ” action , cultured pastures as well as natural prairies have won a chance to be restored and re - established 随著国家退耕还林(草)政策的实施,给区域天然草地的恢复与重建以及人工草地的发展带来了契机。 |
| 8. | To enrich plant materials for vegetation building , this paper also put forward the idea of exploiting the dominant herbage and companion grass of natural pasture 同时,提出开发利用相应立地条件下天然草地的优势种和主要伴生种,以丰富扩大植被建设所需的植物材料。 |
| 9. | 2 the research calculates the grassland production potentiality as well as the cropland , which is according to the fact of the zone where agriculture and herd are both important 当前天然草地可食鲜草潜在产量2164kg hm ~ 2 ,仅为自然生产力的30 . 80 ,还有很大的潜力可以挖掘。 |
| 10. | Adopting the miami model , the paper evaluates the productive potentialities of natural pasture and evaluates the capacity of natural pasture , manual meadow , crops straw and agricultural byproducts 运用迈阿密模型估算了天然草地的生产潜力。对天然草地、人工牧草、作物秸秆及农业加工副产品的承载力做了估算。 |