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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...
Pod Setting Pattern during and after Low Temperature and the Mechanism of Cold-Weather Tolerance at the Flowering Stage in Soybeans
Cold-weather tolerance Fertilization Flowering stage Low temperature Pod setting pattern Pollination
2009/7/29
The effects of short-term exposure to a low temperature [two weeks, at 18°C/13°C(day/night)] and long-term exposure to a low temperature [four weeks, at 18°C/13°C(day/night)] from the beginning of flo...
Analysis of Cool-weather Damage of Rice in 1993 Based on Data of Municipal Basis in Hokkaido
Air temperature Crop situation index Grain yield Percentage of ripening Sunshine hours
2009/7/22
Crop situation index(CSI, a ratio of yield to average yield over years)of paddy rice in the Hokkaido area in 1993 was 40, the lowest since 1949, because of a cool-weather damage. The yield and CSI, ho...
Damage of Wheat and Barley in 1998 Harvest Year by Unusual Weather in Kyushu and Yamaguchi districts
High temperature Long rain Kyushu districts Two-rowed barley Wet injury
2009/7/16
In Kyushu and Yamaguchi districts of Japan, poor emergence of wheat and barley was caused by a long rain in November, 1997. The long rain and high temperature at the reproductive stage also caused wet...
Estimation of Cool-Weather Tolerance at the Flowering Stage and its Relationship with that of the Booting Stage in Hokkajdo Rice Varieties
Booting stage Cool weather tolerance Flowering stage Hokkaido Rice Varietal difference.
2009/7/16
Cool-weather tolerance at the flowering stage of 52 Hokkaido rice varieties was examined in 1998 and 1999. Eight plants having only the main culm were cultivated in small square pots, 15×5×10cm, and ...
Development of a Simple Testing Method for Cool Weather Tolerance at the Flowering Stage of Rice Using an Air Conditioned Room
Air conditioned room Cool weather tolerance Flowering stage Rice Test method
2009/7/15
We report a simple method devised for testing the cool weather tolerance at the flowering stage in rice. In small square pots, 15 cm in length, 5 cm in width and 10 cm in height, eight plants having ...
Effects of the Amount and Activity of Roots on the Cool-Weather Resistance in Rice Plants
Booting stage Cool-weather damage Cool-weather resistance
2009/7/14
Previously, we reported that the amount or activity of the root relative to shoot was an important fact or relating to the sterility caused by cool temperatures. To elucidate the causal relationship b...
The Growth of Leaf Surface in the Initial Growth Stage of Azuki Bean in Cool Weather Regions
Azuki bean Cell area Initial growth Leaf area Primary leaf Seeding date
2009/7/8
In azuki beans, the initial growth is important for stabilizing the azuki bean production in cool weather regions. In 2003 and 2004 the growth of leaf surface of the primary, first, second and third ...
Change of Weather Condition and its Effect on Rice Production during the Past 40 Years in Japan
Climate change Climatic productivity CO2 concentration Early transplanting First-class rice
2009/7/8
In recent Japan, the increasing summer temperature and its influence on rice production have been recognized. The change in management and cultivar to adapt to this warming trend is necessary to main...
WEATHER-CROP MODEL SELECTION BY CROSS VALIDATION TEST FOR WINTER WHEAT CULTIVATED IN NORTH-EASTERN POLAND
weather-crop models winter wheat verification Cross Validation test
2009/3/30
The empirical data used in the present research cover the results of winter wheat cultivar experiments carried out over 1971-1995 and the weather observations reported by local meteorological stations...
Effects of Weather on Cotton Responses to Harvest-Aid Chemicals
Weather Cotton Harvest-Aid Chemicals
2008/12/10
Successful cotton harvest depends on the use of harvest-aid chemicals, but their performance is often inconsistent because of weather conditions. Our objective was to determine weather factors that mo...
Influence of nitrogen and weather conditions on the grain quality of winter triticale
winter triticale cultivars nitrogen weather conditions protein content falling number
2010/1/12
The protein content and falling numbers of five winter triticale cultivars were tested in very different weather conditions (1998/1999–2000/2001) on Stagnic Luvisol soils (WRB classification) in the ...