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- Water loaded with nutrients and minerals streaming down from the uplands has been the base of production and welfare in the rice based cropping systems of lowlands for centuries in Asia. 自高地顺流而下含有养分及矿物质的水一直是亚洲几个世纪以来以水稻为主的低地种植制度下生产和生活的基础。
- In many upland situations, however, only perennial tree based cropping systems will allow sustainability. 然而在许多热带旱地上,只有以多年生树为主的种植制度才具持续性。
- 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。
- Based on the reality in the south Jiangsu province, the best control strategies on rice stalk borer are the integrated management based on restructuring cropping system to avoid the borers. 根据苏南实际,对水稻二化螟的防治应采取以栽培避螟为基础的综合治理措施。
- 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。
- Hossain S A.Strong W M.Waring S A Comparison of legume2 based cropping systems at Warra,Queensland II.Mineral nitrogen accumulation and availability to the subsequent wheat crop 1996 山仓.;刘忠民
- 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。
- Based on field investigation data and 23 series data of 16 d MODIS-NDVI/EVI in 2002,the paper explored the NDVI seasonal dynamics of agri-ecosystem with variety cropping system in south coast of Hangzhouwan bay. 该文运用野外调查资料和2002年MODIS-NDVI16d合成的23个时序的遥感数据,对杭州湾南岸农业生态系统不同种植制度的NDVI变化特征进行分析。
- Thus there should be studies for finding an optimal fertilizer schedule based on a cropping system including intercropping systems rather than for a single crop only. 因此,应该研究包括间作在内的种植制度而不仅为某种作物寻找合适的施肥方案。
- 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。
- 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。
- Soil and climatic variations influence cropping systems. 土壤和气候影响种植制度。
- 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。