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- Techniques for Multiplying Seeds of Early Maturing Potatoes in the Two Crop Systems of Tianshui 天水市早熟马铃薯二季繁种技术研究
- They get two crops of rice a year. 他们一年收获两季稻。
- We grow mainly rice [two crops of rice]. 我们主要种稻子[种两季稻子]。
- According to the pure crop system and initial contour hedgerow - crop system, the major way of nitrogen and phosphorus loss was in sediment loss. 植物篱-农作系统建成初期和单纯农作系统氮、磷养分流失途径以侵蚀泥沙的携带为主。
- The banana bears two crops every year. 香蕉一年收两喷。
- We get two crops of rice a year. 我们一年有两次稻米收成。
- We grow two crops of rice a year here. 我们这里一年种两季稻子。
- Agricultural farming systems for one year the two major cropping system, the main crop has wheat, corn, cotton, and other. 农业主要耕作制度为一年两熟制，主要农作物有小麦、玉米、棉花等。
- Sometimes two crops a year are taken in the humid tropics. 在湿润的热带地区有时一年种两季作物。
- These new strains of seed lend themselves to the reformed cropping system. 这些新品种很适应这种改革了的种植制度。
- So increasing forage crop production is a major approach of the cropping system adjustment in this area. 因此，大力发展饲料粮生产是今后黄土高原种植业结构调整的必然方向。
- Cropping systems.To increase crop intensity it is recommended to practice rice-rice-upland food crop cropping system. 轮作制度：为加强作物集约化管理，提倡"水稻-水稻-旱地（粮食）作物"轮作制。
- There are two crop residue/fresh organic matter pools (structural and metabolic), for representing recalcitrant and easily decomposable residues, based on residue lignin and N content. 作物剩留/新鲜有机质有两个库（结构性的与代谢性的），代表难分解与易分解的剩留物，这个区别是建立在木质素与N含量基础之上的。
- Also rape seed yield per area in the mix cropping system was the highest. 间作与混作处理的油菜产量在可比面积上比油菜单作产量高，其中混作产量最高。
- Most paddy fields here used to yield only one crop a year, but now they all yield two crops. 过去这里的水田多只种一季，现在全部种两季。
- Alley cropping system with Flemingia congesta as hedgerows; hedgerows are cut regularly and the foliages are used for mulch; conventional tillage, crop residues are incorporated. 在种植制度中，用黎豆属作物作为第三季覆盖作物。用除草剂或人工除草实施免耕，把黎豆属作物叶片和其它作物残体，作为覆盖物。
- Establishing a species-diversified cropping system to control crop diseases, insect pests and weeds is an important approach to sustainable agricultural development. 摘要建立多个物种共存的农作模式、利用物种多样性控制有害生物是农业可持续发展的重要途径。
- He compared the yield of solid plantings of corn and soybeans with alternating strips of the two crops. 他把玉米和大豆单一种植的产量和把两种作物交互条播的产量进行了比较。
- Under rice-wheat or rice-oilseed rapc cropping system, seven oilseed rape cultivars and two wheat cultivars were used to study the difference of oilseed rape and wheat in tolerance to Mn deficiency. 选用酎缺锰能力不司的7个油菜品种和2个小麦品种，在水旱轮作的严重缺锰土壤上，进行了2种作物不同品种耐缺锰能力的比较研究。
