| 1. | The actual returns from fertilizer on a particular farm vary with soil type, management system and composition of the sward . 一个具体农场施肥的实际效益随着土壤类型,耕作制度和牧草地成分而异。 |
| 2. | Effects on soil fertilization of different cropping systems on upland red soil 红壤旱地几种耕作制度的土壤培肥效应 |
| 3. | The development of conservation agriculture is a revolution to the conventional agriculture system 发展保护性耕作,是对传统耕作制度的一场革命。 |
| 4. | Variation of hydraulic resistances in red soil - crop - air continuums in different farming systems in dry season 干旱季节不同耕作制度下红壤?魑?大气连续体水流阻力变化规律 |
| 5. | A brief assessment of carbon sequestration effects of conservational farming systems in paddy soils of yangtze delta plain 长江三角洲水田保护性耕作制度的碳收集效应估算 |
| 6. | The severe salinization has resulted in the economic loss about 14 billion yuan rmb ( price in 1996 ) 导致盐渍化的因素有气候、地形、水文地质、土壤质地等自然因素,以及灌溉方式和耕作制度等人为因素。 |
| 7. | The use of land of the shed people were agricultural use , including the attitude to the land , the way of cultivating and the farming system of the mountainous country 棚民的土地利用主要是农业土地利用,包括对待土地的态度、开垦山地的方式以及耕作制度。 |
| 8. | The village scale , landscape form , space distribution and social structure have been explored from different angles , including relations of the village development to its environment , pupulation and farming system 80年代以来,各学科从不同侧面探讨了村落的规模、景观形态、空间分布、社会结构以及村落发展与自然环境、人口、耕作制度的关系。 |
| 9. | It is apparent that the value of controlled - release nitrogen and urease inhibitors is most evident in situations where rapid incorporation is impossible or undesirable due to time constraints or selection of residue and soil conserving tillage systems 在时间紧迫、有残体覆盖和采用保护性的土壤耕作制度下,肥料与土壤不可能迅速混合或混合不理想,此时施用控释氮肥和脲酶抑制剂的效果最明显。 |
| 10. | He also said that canada would like to provide further support and assistance to the successful implementation of conservation agriculture system and enhanced application of conservation tillage technologies in china , through china - canada sustainable agriculture development project 他表示,加拿大将继续通过中加可持续农业发展项目,进一步支持和帮助中国实施保护性耕作制度,推动保护性耕作技术在中国大面积普及和应用。 |