| 1. | 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 |
| 2. | 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 |
| 3. | Function of artificial grassland in restoration of degraded natural grassland and its research advance 青南退化草地治理中多年生禾本科牧草的利用现状和对策 |
| 4. | 6 billion acres of natural grassland , which occupy 41 % of our territory , is the largest on - land ecological system in china 我国拥有各种大然草地近60亿亩,占国土面积的41左右,是我国最大的陆地生态系统。 |
| 5. | A number of eco - construction projects are initiated , such as reforestation , natural forest protection , beijing - tianjin sand control , and natural grassland restoration and etc 组织实施了退耕还林、天然林资源保护、京津风沙源治理、天然草原恢复与建设试点等生态建设工程。 |
| 6. | As such , it is important to research the sources and sinks of greenhouse gases in natural grassland ecosystems in order to highlight options which can be employed to mitigate the problem 对放牧家畜甲烷气体排放的研究可以为确定天然草原温室气体的源与汇和制订减缓策略提供重要的理论依据。 |
| 7. | Lying in the country ' s largest high - quality natural grassland , with the low labor cost and rich resources , hohhot has the advantages of its geographical position and abundant resources 内蒙古自治区呼和浩特市背靠全国最大面积的优质天然牧场,劳动力成本底,资源丰富,具有发展奶业的良好区位优势和资源优势。 |
| 8. | The rational utilization of natural grassland , the integrated treatment of degraded grassland and the optimum productive structure of animal husbandry were proper approaches for healthy and sustainable grassland ecosystem and animal husbandry 优化畜牧业产业结构,使草地生态系统步入良性循环,才能使同德县的草地畜牧业协调发展。 |
| 9. | It shows that if the rainfall increased in the autumn , the storage of the soil water was higher next spring , moreover the better the soil moisture , and the earlier the regreening , and the higher herbage yield of the natural grassland 分析表明:秋季降水越多,环湖区土壤水分贮存量越多,翌年土壤墒情越好、牧草返青越早且牧草产量越高。 |
| 10. | The average of shannon - wiener diversity index was 1 . 5481 in typical steppe abandoned land , which was only 55 % of natural grassland , while it was 1 . 3492 in meadow steppe abandoned steppe 典型草原撂荒地shannon - wiener多样性指数的平均值为1 . 5481 ,是天然草地的55 ,草甸草原带撂荒地shannon - wiener多样性指数的平均值为1 . 3492 ,是天然草地的50 。 |