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- The green index method and the single channel method are presented in this papr to calculate the Area of winter wheat with the NOAA/AVHRR digital data. 本文提出了用NOAA气象卫星AVHRR的定量资料计算冬小麦种植面积的方法,即绿度指数法和单通道法。
- The areas of winter wheat in the southeast Gansu province and spring wheat have reduced. 气候变暖使陇中冬小麦种植面积迅速扩大、春小麦种植面积减少;
- Seed Density of Winter Wheat Mulched with Plastic Film in Longdong Area of Gansu 陇东旱塬区地膜冬小麦播种密度研究
- Study on Decreasing-Increasing Law of Available Phosphorus of Soil in Crop Rotation Area of Winter Wheat and Summer Corn 冬小麦-夏玉米轮作区土壤磷消长规律的研究
- area of winter wheat 冬麦面积
- High-yielding cultivation practices of winter wheat in large acreage. 大面积冬小麦高产栽培实践概析。
- Effect of water supply from deep soil on dry matter production of winter wheat. 土壤深层供水对冬小麦干物质生产的影响。
- The quality of botany of winter wheat was influenced by increased fertilizer. (3)施肥量的大小影响着冬小麦植物学性状;
- Nightly lowest enrages area of winter Israel majority.. 冬季以色列多数地区夜间最低气...
- Title: Evapotranspiration of winter wheat field in North China Plain. 关键词:农田墒情;农田蒸散;冠层温度;涡度相关技术
- In this paper, CERES-Wheat model was run to simulate leaf area index, aboveground biomass, stems per square meter, phenology and growth duration of winter wheat under water-limited condition and the simulated data was compared with the observed data. 本文利用该模型对限水条件下冬小麦的叶面积指数、地上部分生物量、茎蘖数、物候期和生育期进行了逐日动态模拟,并将模拟结果与实测数据进行了比较。
- Based on the formula,yield trends of winter wheat and cli-mate wheat yields in Qianxian county for nearly 30 years are calculated,and so do thosein experimental area in Wudian and Shanhe Townships since its establishment. 依此算出了乾县近30年来逐年的冬小麦产量趋势项与气候产量,及乾县吴店乡、三合村全乡、全村的试区成立以来的冬小麦产量趋势项与气候产量,并找出了影响试区冬小麦产量的主要气候因子:光、热、水。
- The conclusion is drawn that the trait of winter wheat in this area is better and the proteid, wet gluten and sedimentation value are higher than the whole country's average level. 结果表明,该区冬小麦品种的品质较好,蛋白质、湿面筋、沉降值等均高出全国平均水平。
- Effect of water and fertilizer on economic properties of winter wheat in Loess Plateau galley regions. 黄土高原沟壑区水肥因子对冬小麦经济性状的影响。
- Root biomass of winter wheat in 0~30 cm and 0~100 cm soil layers was studied using root core and dig sampling method. 用挖坑冲洗法和改良根钻法研究了耕层(0~30cm)和1m土体内冬小麦根系生物量及其空间分布。
- On the nitrate-N accumulated characteristics in deep soil layer of winter wheat field in Taihang Piedmont. 太行山山前平原冬小麦田深层土体硝态氮累积特征研究
- The first chapter delimits her area of research. 第一章阐明了她的研究领域。
- Based on the conclusion given a bov,the prediction model of winter wheat powdery mildew was developed. 在此基础上建立了白粉病的预报模式。
- The hard outer portion or surface area of bread. 面包皮面包的表面区域的硬皮
- The results showed that from the growth and productivity of winter wheat, SDT>SRT>SNT in most of the traits. 结果表明:从冬小麦的地上部和地下部生长情况和产量、产值来看,多数性状表现为桔杆还田翻耕>秸秆还田旋耕>秸秆还田免耕;
