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Method to Evaluate “Uplandization” in Converted Field from a Paddy Based on Crystallinity of Free Iron Oxides
redox reaction phosphate sorption soil microstructure
2009/9/9
Uplandization” is the process that changes the physical and chemical properties in a paddy field into those of an upland field. There is a transitional period when a paddy field is converted to an upl...
Portable Equipment for Measuring Three Dimensional Information of Crop Canopy Using a Magnetic Field Sensor
Leaf orientation-adjusting movement Magnetic field sensor Soybean
2009/8/6
Portable Equipment for Measuring Three Dimensional Information of Crop Canopy Using a Magnetic Field Sensor.
Single Leaf Photosynthesis of Rice Plants under Field Conditions:III. Variation in single-leaf photosynthesis with time of day and its physiological base
Degree of depression in CER Evaporation rate Leaf positions Rice plants Single-leaf photosynthesis
2009/8/6
Under field conditions, the photosynthetic rate of single leaves (CER) declined with time of day even in the case where light intensity at the leaf surface was kept higher than the saturation point. T...
A Basic Study on Field Experiment and Investigation Methods in Rice Plant:III. Precision of some sampling methods in sample survey of quantitative characters
Coefficient of variation Field experiment Quantitative character Rice plant Sampling method
2009/8/5
In sample survey on field experiment, samples have to be sampled at random in principle, but samples are often taken systematically due to restriction of time, labor and plot area. In order to get inf...
Applied Study of Field Spectroradiometric Technique for Assessing Crop Canopy Biomass, Condition and Yield
Field Spectroradiometric Technique Assessing Crop Canopy Biomass Condition Yield
2009/8/4
Applied Study of Field Spectroradiometric Technique for Assessing Crop Canopy Biomass, Condition and Yield.
Effects of Leaf Movement on Radiation Interception in Field Grown Leguminous Crops:II. Soybean (Glycine max Merr.)
Canopy structure Heliotropic leaf movement Integrated solarimeter film Leaf temperature Radiation interception Soybean
2009/8/4
The effects of the leaf movement on radiation interception were examined by a treatment which restrained the leaf movement in the upper layers of the canopy. Two determinate soybean cultivars with dif...
A Basic Study on Field Experiment and Investigation Methods in Rice Plant : IV. A dry weight survey method effective in laborsaving while maintaining precision
Double sampling Dry weight Field experiment Precision Ratio estimate Rice plant Sample survey
2009/7/31
Dry weight of rice plant is an important character for the vegetative diagnosis and growth forcast of this plant. However, it requires a long time and much labor to precisely estimate the dry weight, ...
A Basic Study on Field Experiment and Investigation Methods in Rice Plant:V. A leaf area survey method effective in laborsaving while maintaining precision
Double sampling Field experiment Leaf area Precision Ratio estimate Rice plant Sample survey
2009/7/30
Leaf area of rice plant is an important character for survey to elucidate its characteristics of dry matter production. However, it requires much time and labor to precisely estimate the leaf area, w...
Erosion Control on a Steep Sloped Coffee Field in Indonesia with Alley Cropping,Intercropped Vegetables,and No-Tillage
Alley cropping Coffea arabica Coffee Erosion control Gliricidia sepium (Jacq.) Walp. Intercropped vegetables No-tillage Red acid soil
2009/7/29
In a hilly area in Lampung State, the southern end of Sumatra Island in Indonesia, coffee is commonly cultivated on hillsides with steep slopes and soil erosion affects sustainable coffee production. ...
Estimating Spatial Distribution of Plant Growth in a Soybean Field Based on Remotely-Sensed Spectral Imagery Measured with a Balloon System
Aerial photography Balloon Biomass Image measurement Remote sensing Spectral measurement
2009/7/28
Estimating Spatial Distribution of Plant Growth in a Soybean Field Based on Remotely-Sensed Spectral Imagery Measured with a Balloon System.
Effects of Planting Pattern on the Interception of Solar Radiation by the Canopy and the Light Extinction Coefficient of the Canopy in Rice Plants Direct-sown in a Submerged Paddy Field
Crop growth rate Direct sowing Interception of solar radiation Light-intercepting characteristics Planting pattern Rice
2009/7/24
In order to investigate effects of planting pattern on the interception of solar radiation by the canopy and the light extinction coefficient of the canopy in rice, the rice plants direct-sown in a su...
Remote and Non-Destructive Sensing for Precision Crop and Field Management : II. Prospect of remote and non-destructive sensing in precision crop management
Precision Crop Field Management non-destructive sensing precision crop management
2009/7/23
Remote and Non-Destructive Sensing for Precision Crop and Field Management : II. Prospect of remote and non-destructive sensing in precision crop management.
Intraraceme Variation in the Numbers of Flowers and Pod Set in Field-Grown Soybean
Intraraceme position Number of floral buds Pod set Raceme order Sink abortion Soybean
2009/7/16
Intraraceme variation in the numbers of flowers and pod set was examined on the terminal raceme and basal raceme in a field-grown soybean (cv. Tachisuzunari). Flowers opened from the basal to the 10th...
Characteristics of Dry Matter Production in Rice Plants, Cultivar Takanari Sown Directly in Submerged Paddy Field Compared with Conventionally Transplanted Plants(Agronomy)
Direct-sown rice in submerged field Dry matter production Extinction coefficient Grain yield
2009/7/10
Dry matter production and the related characters in the rice plants sown directly in the submerged paddy field or in the drained field after puddling were compared with those in conventionally transpl...
Effect of Unevenness in a Paddy Field on the Early Growth and Tillering in Direct Seeding Cultivation of Rice(Agronomy)
Depth of water Direct seeding Early growth Lower nodal tiller Maximum number of tillers
2009/7/10
To clarify the effect of unevenness in a field on the tiller development of direct-seeded rice plants, we investigated the height and growth at the same measuring points. The paddy field had a high de...