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南京农业大学农学院《Remote Sensing of Environment》发表智慧农业团队“A disease-specific spectral index tracks Magnaporthe oryzae infectionin paddy rice from ground to space”（图）
智慧农业 时空动态 遥感监测 稻瘟病
2023/10/28
2023年2月25日，农学院智慧农业团队在国际顶级遥感期刊《Remote Sensing of Environment》发表了题为“A disease-specific spectral index tracks Magnaporthe oryzae infectionin paddy rice from ground to space”的研究论文，报道了他们在多尺度稻叶瘟敏感光谱指数构建，以及小...
CROP SPECIES RECOGNITION AND DISCRIMINATION PADDY-RICE-GROWINGFIELDS FROM REAPED-FIELDS BY THE RADAR VEGETATION INDEX (RVI) OF ALOS-2/PALSAR2
radar vegetation index RVI ALOS-2 PALSAR2 crop biomass rice paddy fields
2016/12/1
The Japanese ALOS-2 satellite was launched on May 24th, 2014. It has the L-band SAR, PALSAR-2. Kim,Y. and van Zyl, J.J. proposed a kind of Radar Vegetation Index (RVI) as RVI = 8 * σ0hv / (σ0hh + σ0vv...
CONSISTENCY ANALYSIS ON PADDY RICE AREA SURVEY WITH SPOT AND TM IMAGES UNDER THE TOTAL RESTRAINT QUANTITY
Image Interpretation Percentage Vegetation Cover Space Photogrammetry ComparativeAnalysis Crop Satellite Remote Sensing Classification
2015/12/28
Many global problems can be estimated and forecasted by remote sensing with its advantage of periodicity, objectivity and large scale scope, besides plant area estimation. Conventional classification ...
AUTOMATIC PADDY RICE MAPPING INTERFACE USING ARCENGINE AND LANDSAT8 IMAGERY (CASE STUDY IN NORTH PART OF IRAN)
Rice Paddy Mapping Landsat 8 Remote Sensing ArcEngine
2014/12/1
Recognition of paddy rice boundaries is an essential step for many agricultural processes such as yield estimation, cadastre and water management. In this study, an automatic rice paddy mapping is pro...
Improving the water productivity of paddy rice (Oryza sativa L.) cultivation through water saving irrigation treatments
Pot Experiments Water Management Wetting and Drying
2013/3/5
Rice grows well under certain condition and environment including soil, water and nutrients. Some researches have shown that traditional method with continues flooding need tremendeous amount of water...
Flood Reduction Function of Paddy Rice Fields under Different Water Saving Irrigation Techniques
Flood Reduction Function Water Saving Irrigation Paddy Field
2013/3/20
This study is conducted to investigate the function of paddy fields for flood reduction under different water saving irrigation techniques. A daily water balance component data including rainfall, per...
Nitrogen Uptake by Cover Crops and Inorganic Nitrogen Dynamics in Andisol Paddy Rice Field
Cover crop Paddy field Nitrogen
2010/12/2
Paddy field rice can conserve N in the soil under flooded conditions. However, residual soil N represents a potential environment concern when fields are no longer flooded. Winter annual grass cover c...
Development of a Site-Specific Nitrogen Management System for Paddy Rice Food Technology
precision agriculture map variable rate technology yield-monitoring combine
2009/9/10
Land consolidation involving the joining of small paddy fields to form a large-size field has been promoted recently in Japan in order to increase the efficiency of rice production. However, the varia...
Utilization Advantages of Controlled Release Nitrogen Fertilizer on Paddy Rice Cultivation
transplanting cultivation direct sowing cultivation single basal application
2009/9/9
Labor-saving for fertilization has been strongly desired due to the shortage in labor and increasing scale of farming for rice cultivation. In order to clear these problems, the effect of application ...
Varietal Differences of Juvenile Phase Duration and Photoperiodic Sensitivity in Paddy Rice
Cropping area Juvenile phase Paddy rice Photoperiodic sensitivity Varieties
2009/8/6
The juvenile phase and photoperiodic sensitivity of 13 Japanese paddy rice varieties were investigated. The duration of juvenile phase was determined by counting the days of insensitivity to a short-d...
Promotion of Seedling Emergence of Paddy Rice from Flooded Soil by Coating Seed with Potassium Nitrate
Calcium peroxide Direct sowing Foliage leaf emergence Germination Paddy rice Pelleted seed
2009/8/6
Emergence and establishment of seedling of paddy rice sown into flooded soil are poor but promoted when seeds are coated with O2 generator CaO2. It has been commonly understood that this is because C...
Floral Impotency Due to Cool Weather in Paddy Rice Plants in the Early-Season Culture Area:II. Countermeasure to the damage by fertilizer application
C-N ratio Compost Cool-summer damage Early-season culture Light-intercepting characteristics
2009/8/6
The present study was conducted to develop the basal fertilizer application methods which mitigate the damage due to cool weather at booting stage by investigating the relationships between the change...
Floral Impotency Due to Cool Weather in Paddy Rice Plants in the Early-Season Culture Area:I. Relationship between light-intercepting characteristics and sterility
Amount of fertilizer nitrogen Cool-summer damage Early-season culture Light-intercepting characteristics Overluxuriant growth Sunshine hours Temperature at the inside of leaf sheath Temperature in the space of rows
2009/8/6
The present study was conducted to make clear the cause of promotion the sterility due to cool temperature at the booting stage by too much nitrogen application with investigating the relationship amo...
Varietal Difference of Physical Characteristics of the Culm Related to Lodging Resistance in Paddy Rice
Breaking strength Culm Leaf sheath Lodging resistance Paddy rice Varietal difference
2009/8/5
Varietal difference of lodging resistance in paddy rice was studied using nine Japanese cultivars and thirteen foreign cultivars (cv. Kamenoo : KA, Aikoku : AK, Koshihikari : KO, Dobashi 1 : DO, Fujim...
Seedling Emergence and Establishment of Direct-sown Paddy Rice in Soils Incorporated with Substances Produced in Reductive Paddy Soil
Acetic acid Direct sowing Ferrous iron Paddy rice Seedling emergence Seedling establishment
2009/8/4
Although seedling emergence and establishment is inhibited by soil reduction in the direct sowing of paddy rice into puddled and leveled soil, the reasons for this are not clearly understood. This exp...