搜索结果: 76-90 共查到“作物学 Paddy”相关记录105条 . 查询时间(0.131 秒)
Growth and Yield of Rice in the Paddy Fields with Different Yield Levels in
Stem number Maximum number of stems Yield Yield survey Percentage of fruitful stems
<
2009/7/9
Rice yield was estimated from that in 30 hills harvested at the center of each paddy field in Kikuchi district Kumamoto Prefecture in 1985. The rice fields surveyed were managed by two groups of inno...
Effects of Puddling before Seeding and Drainage after Seeding on Emergence and Establishment of Rice Direct Seeded with a Shooting Hill-Seeder in Submerged Paddy Fields
Drainage of flooded water Paddy field Puddling Rice Seedling emergence Seedling establishment
<
2009/7/8
This study investigated the effects of puddling and drainage on seedling emergence and establishment of rice direct seeded with a “shooting hill-seeder” in submerged paddy fields. Water content (oxyg...
Identification of Main Paddy Rice Cultivars in Tochigi Prefecture by RAPD Analysis
DNA marker Identification of cultivars Paddy rice RAPD analysis
<
2009/7/8
The objective of this study was to establish the technology to identify paddy rice cultivars by Ramdom Amplified Polymorphic DNA (RAPD) analysis to raise the quality of rice in Tochigi prefecture and...
Effect of Tilling and Seeding Methods on Seedling Emergence, Growth and Yield of Rice Direct-seeded in Well-drained Paddy Field
Direct seeding in well-drained paddy field Emergence Panicle differentiated from high nodal position Seeding method Tilling method
<
2009/7/8
This study was conducted to examine the effects of tilling and seeding methods on the growth of rice direct-seeded in well-drained paddy field. The tilling methods used were plowing, non-tilling, and...
Survey on the Extension and Spreading of New Technology for Low-Cost and Labor-Saving in Paddy Rice Culture in Gunma Prefecture, Central Japan
Demonstrate plot Extension Farmhouse Opinion Paddy rice Questionaire reserch Technology for low cost and labor-saving
<
2009/7/8
The concern for new technology for low cost and labor-saving culture developed by the authors were generally low. The main reasons are: poor understanding of the research organization about the pres...
Influence of Typhoon on the Paddy Rice Production in Kyushu and Yamaguchi Districts in 2004 and Salty Wind Damage of Rice Caused by Typhoon 0418 (SONGDA) : Haruhiko Yamamoto and Kiyoshi Iwaya (Faculty of Agriculture, Yamaguchi Univ., Yamaguchi 753-8515)
Kyushu district Rice Salty wind damage Typhoon 0418 Yamaguchi prefecture
<
2009/7/8
Five typhoons (No.15•16•18•21•23) approached and landed from booting to harvesting time in Kyushu and Yamaguchi districts in 2004. The grain yield and quality of paddy rice wer...
Evaluation of New Seedling-Rearing and Feritilization for Low-Cost and Labour-Saving on Paddy Rice Culture in the Rice-wheat Double Cropping Area of Gunma Prefecture
Feritillization Labor-saving Low cost Management Paddy rice Rearing of seedling
<
2009/7/8
New methods for low-cost and labour-saving of paddy rice culture in the east flat area of Gunma Prefecture were evaluated. Economics was evaluated by indisensable cost per 10a. Labor efficiency was e...
Effects of the Growth Stage at Transplanting of Paddy Rice Seedlings on Heading Date and Floral Sterility Caused by Low Temperatures—in the Cool Summer of 2003 in Miyagi Prefecture
Cool summer damage Heading time Low-temperature injury Middle seedling
<
2009/7/8
Paddy rice seedlings transplanted at different growth stages in Miyagi prefecture in 2003 were examined for heading date and the percentage of ripening on all stems in each hill in relation to cool su...
Change after Heading in Lodging Resistance and Physical Characteristics of the Basal Culm of Direct Seeded Rice in a Flooded Paddy Field
Breaking strength of culm with leaf sheaths Days after heading Direct seeding in flooded paddy field Leaf sheath Lodging resistance Rice Section modulus
<
2009/7/8
We examined how lodging resistance and physical characteristics of the basal culm change after heading in rice direct-seeded in a flooded paddy field using 14 rice varieties. At 5 weeks after heading...
Correlation of Lodging Resistance with Physical Characteristics of the Basal Culm and Rooting Behavior in Rice Direct Seeded in a Flooded Paddy Field
Bending stress Breaking strength of culm with leaf sheaths Crown root Growth angle of root
<
2009/7/8
In submerged direct seeding such as hill seeding and row seeding, lodging was not caused easily compared with broadcast seeding. Not only deep rooting but also physical characteristics of the basal cu...
Studies on Suitable Time to Harvest Paddy Rice Cultivar “Asahi-no-yume” in Tomo Area of Gunma Prefecture
Accumlated temperature Asahi-no-yume Goropikari Green paddy rate Paddy rice cultivar
<
2009/7/8
In 2000, we replaced paddy rice cultivar "Goropikari" with "Asahi-no-yume" in Tomo Area of Gunma Prefecture.However, we lacked data about suitable harvesting time.Therefore, we examined the suitable h...
Studies on Delayig the Transplanting Time of Paddy Rice Cultivar"Asahi-no-yume"after Wheat Cropping in Tomo Area of Gunma Prefecture
Asahi-no-yume Cultivation after wheat cropping Double cropping Goropikari Paddy rice Period of transplanting
<
2009/7/8
In Tomo Area of Gunma prefecture, paddy rice cultivar Goropikari had been widely cultivated from 1993. This cultivar has good taste, but farmers pointed out its weak resistance to diseases and insect...
Analysis of the Variations of Rice Yield in Paddy-Upland Rotational Fields
Paddy rice Paddy-upland rotation Single crop Soil nitrogen mineralization Yield components
<
2009/7/7
The source of the variation of yield and yield components of paddy rice was analyzed in the paddy-upland rotational fields (rice-wheat-soybean) and in the single-cropped paddy fields from 1998 to 20...
Effects of the Rates of Seedling Emergence and Coleoptile Elongation under Anaerobic Conditions on Seedling Emergence and Establishment of Rice Direct Seeded in Flooded Paddy Fields
Coleoptile Direct seeding in flooded paddy field Rice Seed Seedling emergence rate
<
2009/7/7
We examined the factors affecting seedling emergence and establishment of rice direct seeded in flooded paddy field using 128 rice cultivars. The emergence and establishment of the seedlings in a conc...
Relationship of Growth Variability, with Ground Level and Soil Water Content in a Large Paddy Field in Inashiki-city, Ibaraki-prefecture in 2007—Wet Injury of Wheat
Triticum spp Excess-moisture injury Wet endurance Upland field converted from paddy field
<
2009/7/7
There was a heavy rain fall on Nov. 19-20 and Dec. 26-27, 2006 in Ibaraki-prefecture. We examined wheat growth and soil conditions in a large paddy field in Inashiki-city, Ibaraki-prefecture, where p...