| 1. | Stimulating effect in crop production systems
作物生产系统中的激发效应 |
| 2. | The drought has hurt both crop producers and those raising cattle or ranchers
干旱伤害作物生产和养牛、养羊或农场工人。 |
| 3. | On crop productive potentialities and population bearing capactity in hebei province
河北省作物生产潜力及人口承载力研究 |
| 4. | Recent developments in some of these aspects of crop production are discussed
本文将讨论上述一些作物生产方面的近期进展。 |
| 5. | Without soil fertility treatments , crop production reduces soil productivity
不对土壤进行肥力处理，作物生产降低土壤生产力。 |
| 6. | Or the scientific crop production technology need be demonstrated and transferred to farm level
或许科学的作物生产技术需要示范推广到农场一级。 |
| 7. | The goal is to develop a conservation tillage system applicable to the majority of annual crop farmers in imar
马力。目的是在内蒙古的大多数一年生作物生产区建立保护耕作体系。 |
| 8. | However , unless such calculations are made , estimated crop production and economic potentials for china cannot be described
但不作出这些计算，就很难描述中国的作物生产和经济潜力。 |
| 9. | Application of the various soil and plant sciences to soil management and crop production ; scientific agriculture
农学；农艺学土壤学和植物学在土壤管理和作物生产中的应用；科学农业 |
| 10. | The following paper will focus on one expanding use of plastic in producing high - yielding and high - quality crops plastic for mulch
本文主要讨论塑料在高产优质作物生产中一种日益广泛应用的覆盖用塑料。 |
