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- rice-oilseed rape cropping system 稻油两熟制
- 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。
- Rape seed yield per plant in the mix cropping system was 33.4% and 13.0% higher than that in the intercropping system and the sole cropping system, respectively. 油菜单株产量也以混作处理最高，比间作处理增加33.;4%25，比施磷单作处理增加13
- 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。
- The effect of applying N-fertilizer or not in wheat on sod fertility and grain yield and fertilizer-N use efficiency (FNUE) of rice in the wheat-rice cropping system were studied. 摘要通过对前茬作物小麦设置施用氮肥与不施用氮肥处理研究它对土壤肥力及后茬作物水稻产量和氮肥利用率的影响。
- 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。
- The effect of applying N-fertilizer or not in wheat on soil fertility and grain yield and fertilizer-N use efficiency (FNUE) of rice in the wheat-rice cropping system were studied. 通过对前茬作物小麦设置施用氮肥与不施用氮肥处理研究它对土壤肥力及后茬作物水稻产量和氮肥利用率的影响。
- The agrometeorological technique for making hybrid rice seeds is applicable to zones of other rice cropping systems. 研究得到的两系法杂交稻制种技术的气象学方法可供其他熟制地区应用。
- The effect of cropping system on the microelements in lime concretion fluvo-aquic soils. 耕作改制对砂姜黑土微量元素的影响。
- Soil and climatic variations influence cropping systems. 土壤和气候影响种植制度。
- Effect of long-term fallow and cultivation on soil fertility in rice-based cropping system. 水旱轮作地区土壤长期休闲与耕种的肥力效应。
- Rice is the chief crop in most southern provinces. 稻子是大多数南方省份的主要作物。
- Andhra Pradesh Agricultural University, Hyderabad: The objective is to evaluate factors for yield maximization in rice-groundnut cropping system. 安德拉邦农业大学（海德拉巴）：试验目标是评价稻-花生耕作制下达到最高产量的因素。
- Harvest date may be moved up by 7-21 days depending on the cropping system and environmental conditions. 收获期依种植制度和环境条件，可提前7~21天。
- The most important limiting factor for wheat yield in this cropping system is late planting. 该种植方式中最重要的小麦限产因素是迟播。
- The characteristics,experience,theory and assignment of the cropping system in China are also discussed. 论述了我国耕作制度的特点、区划和理论,以及改制的内容、经验和任务;
- Rice is the chief crop in this ares. 稻子是这一地区的主要作物。
- 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。
