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Analysis of the Tillering Behavior of the Rice Plant in the Paddy Field:I. The tillering pattern under two nitrogen levels of basal dressing
First emerged tiller Number of tillers Relative tiller position Rice Synchronous growth
2009/8/5
Under the two types of nitrogen dressing which prevail in Miyagi prefecture, rice cv. Sasanishiki was cultivated in the paddy field, and the tillering pattern was analyzed. One type of nitrogen dress...
Excess Moisture Injury of Soybeans Cultivated in an Upland Field Converted from Paddy : V. Supplemental nitrogen application as a countermeasure against excess moisture injury
Excess moisture injury Flower shedding Nitrogen fixation Photosynthetic rate Pod shedding Seed yield Soybean
2009/7/31
The purpose of this experiment was to examine whether the application of nitrogen (N) fertilizer as ammonium sulfate is an effective countermeasure against excess moisture injury of soybeans [Glycine ...
Root Growth and Distribution in Some Japonica-Indica Hybrid and Japonica Type Rice Cultivars under Field Conditions
High-yielding rice cultivars Oryza sativa L Rice Root length density Root system Root weight density
2009/7/30
The development of rice root system has been studied in Japonica-Indica hybrid cultivars (J-IH), Milyang 23 and Suweon 264, and Japonica type cultivars (JT), Nipponbare and Koshihikari, grown in a pad...
Variability in Nitrogen Fixation Activity among Soybean Cultivars Grown under Field Conditions
Cultivar difference Dry matter accumulation Nitrogen fixation Nodule dry weight Non-nodulating cultivar
2009/7/30
Variability in nitrogen fixation activity among soybean cultivars was examined under well-managed field conditions. Four and 15 soybean cultivars were grown in 1989 and 1991, respectively, along with ...
Studies on Palatability of Rice in Northern Kyushu:VIII. Nitrogen fertilizer and zeolite application fbr improving the eating-quality of rice produced on Andosol paddy field
Andosol Nitrogen fertilizer Palatability Protein content
2009/7/22
This study was carried out to establish cultivation techniques that improve the eating-quality of rice grown in Andosol (AL) paddy fields by the modification of nitrogen fertilizer application and the...
Effect of Dark Respiration on Dry Matter Production of Field-Grown Rice Cultivars:Growth efficiency of early, medium, and late-maturing cultivars
Dark respiration rate Dry matter production Earliness of cultivar Growth efficiency Rice
2009/7/15
The dry matter production, dark respiration rate, and growth efficiency of early-(Koshihikari), medium-(Nipponbare)and late-(Akebono)maturing rice cultivars, were examined. The yield was lowest in Kos...
Rice Yield by the Culture with Minimal Agricultural Chemicals in the Field with Continuous Application of Farmyard Manure or Chemical Fertilizer(Agronomy)
Continuous application of farmyard manure Culture with minimal agricultural chemicals Fluctuation of yield Koshihikari Panicle blast
2009/7/15
From 1991 to 2000, a rice cultivar, Koshihikari, was grown in the field, where either farmyard manure or chemical fertilizer was continuously applied. A minimal amount of herbicide and pesticide were ...
Comparison of the Occurrence of Kernel Damage in Rice Plants Grown in a Heated Greenhouse and in a Paddy Field of High Temperature Year
Grain quality Greenhouse High temperature Rice plant
2009/7/10
The percentages of the number of heat-damaged kernels, white-back or basal-white kernels and milky-white kernels in a heated greenhouse were compared with those in a paddy field in a high-temperature...
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...
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...
Effects of Scattering the Infected Leaves and Sprinkling the Field with Water on the Degree of Scald Infection, Yield and Pearled-Grain Quality of Barley
Barley Field test Pearling quality Rhynchosporium secalis Scald Yield
2009/7/8
The effects of scattering the infected leaves and sprinkling the field with water on the degree of infection, yield and pearled-grain quality of barley were investigated using the susceptible cultiva...
Relation between Root System and Drought Resistance in Japanese Upland Rice (Oryza sativa L.) Varieties with Medium to Late Maturing under Field Conditions
Core sampling method Deep root system Drought resistance Excavation method Monolith method
2009/7/8
The relationship between drought resistance and deep root system was examined using eight Japanese upland rice and one lowland rice variety with medium to late maturing cultivated in the upland field ...
Effects of Iron-Powder Coating versus Calcium-Peroxide Coating of Seeds on Seedling Emergence and Establishment of Rice Direct-Seeded in Submerged Paddy Field
Bird damage Iron-coated seed Low temperature Rice Seeding depth Seedling emergence
2009/7/7
This research was conducted to establish the method of direct seeding of iron-coated seeds using air-assist row seeder in the cold district. The defensive effect of iron-coated seeds direct-seeded in...
Field evaluation soybean varieties at Ilorin in the southern guinea savanna ecology of Nigeria
Grain yield varietal evaluation rust infection savanna agro-ecology
2009/3/3
Twenty six newly developed soybean varieties were evaluated for two years at Ilorin in a southern guinea savanna environment of Nigeria. The reaction of the varieties to rust infection was also as...
Plant communities of field boundaries in Finnish farmland
plant communities correspondence analysis boundaries diversity species richness
2010/8/16
To determine the importance of field boundary habitats for farmland biodiversity, we surveyed a total of 193 boundaries from four climatically and agriculturally dissimilar regions in Finland. We meas...