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Lightning strikes more than 100 million times per year in the tropics（图）
Lightning strikes 100 million times per year tropics
2020/7/31
Scientists at the Smithsonian Tropical Research Institute in Panama have published dramatic maps showing the locations of lightning strikes across the tropics.Based on ground and satellite d...
2014年10月22至27日，应土壤与农业可持续发展国家重点实验室邀请，丹麦技术大学Per Ambus教授和Dorette Müller Stőver博士访问了南京土壤研究所，并分别作了题为“The impact of climatic changes on below-ground carbon dynamics in a heathland ecosystem”和“Gasificat...
2012年6月24-25日，丹麦奥尔胡斯大学生态农业研究所所长 Per Kudsk教授到北京市农林科学院草业中心进行学术交流。期间，参观了草业中心小汤山观赏草圃、能源草圃和试验示范基地，听取了武菊英主任关于草资源在北京都市型现代农业发展中的重要作用的介绍，以及草业中心近年来在观赏草、能源草和牧草等领域取得的重要研究进展。25日，做了题为：“丹麦生态农业和相关生态农业研究”学术报告。介绍了所在研究所...
Relation of Number of Spikelets per Panicle to the Characteristics of Shoot and the Size around Growing Point at Panicle Initiation Stage in Rice Varieties
Internode diameter Number of differentiated spikelets Number of spikelets per panicle Rice
2009/8/5
The relationships between number of spikelets per panicle and the characters of shoot and the size around growing point at panicle initiation stage were studied with the rice varieties bearing much d...
Relationship between Panicle Weight per Plant and Cumulative Water Stress in Rice
Cumulative water stress Heading and anthesis Leaf water potential Panicle weight per plant
2009/7/31
Decrease of panicle weight per plant in rice in proportion to cumulative water stress (an integrated estimate of the degree and duration of water stress) has been demonstrated in rice subjected to inc...
Difference in Grain Productivity of Tillers among Main Stem Nodes in Rice Plant : II. Comparison under the conditions of the same panicle number and constituent of each order tiller per plant
Each order tiller Leaf blade elongation rate Leaf emergence rate Nodal position on main stem Rice plant
2009/7/31
Tillering of the 2nd to 11th main stem nodes in potted directed-seeded rice plants was artificially controlled by the removal of tillers on specific nodes. Treatments consisted of limiting tillering o...
Varietal Difference in the Effects of Applied Gibberellic Acid (GA3) on the Number of Spikelets per Panicle in Rice Plants
GA3 Gibberellic acid application Internode diameter Number of spikelets per panicle Rice Varietal difference
2009/7/31
Eight rice varieties were grown in pots and the varietal difference in the effects of applied gibberellic acid (GA3) on the number of spikelets per panicle were examined. GA3 (5 ppm) was sprayed onto ...
Effect of Competition in a Hill to Seedling Number per Hill on Yield Components and Yield in Paddy Rice
Number of seedlings Number of stems Percentage of fruitful culms Rice plant Yield Yield components
2009/7/30
To elucidate the effect of the number of seedling per hill on yield components and yield, rice plants cv. Nipponbare and Hourei were transplanted at three levels (1, 4, and 7) and two levels (4 and 7...
Application of Developmental Model for Analysis of Growth and Development of Rice Transplanted in Different Plant Numbers per Hill
Developmental stage Number of spiklets Number of seedlings per hill Number of tillers Plant age in leaf number Rice Stem weight
2009/7/30
To clarify the characteristics of rice growth, number of leaves, number of tillers and stem weight, the developmental stage estimation method (DVI method) using air temperature was applied to rice gro...
Analysis of the Factors of High Yielding Ability for a Japonica Type Rice Line, 9004, Bred in China : I. Comparison of yielding ability with a Japanese rice variety under the same level of spikelets number per area
Grain-straw ratio High yielding ability Nitrogen topdressing Phosphoric acid topdressing
2009/7/29
9004 (L9), which is a high yielding japonica type glutinous rice line developed in Jiangsu province, China, was cultivated under different combinations of nitrogen (N) application with or without pho...
Analysis of the Number of Spikelets per Panicle on the Main Stems, Primary and Secondary Tillers of Different Rice Genotypes Grown under the Conventional and Nitrogen-Free Basal Dressing Accompanied with Sparse Planting Density Practices
Cultivation practices Main stems Number of Spikelets Primary tillers Rice cultivars Secondary tillers
2009/7/29
The number and development of spikelets on a panicle directly affect the grain yield. In this study, we examined the differences among various rice cultivars in the number of spikelets per panicle (NS...
Influence of Leaf Nitrogen Content on Grain Weight at Early Ripening Period and Relationship between Root Respiration and Leaf Area per Spikelet of Rice Plant
Ammonium concentration Grain filling Grain weight Leaf area Nitrogen content Rice Root respiration
2009/7/28
The same seedlings of three rice cultivars were transplanted into both paddy fields, experimental fields of Tottori University (Koyama) and skillful farmer's field (Hojo), and given their respective ...
Varietal Difference in Sink Size per Panicle and the Accumulation of Grain Carbohydrate in Rice
Accumulate before heading Photosynthetic assimilate Rice Shady leaf Sink size per panicle
2009/7/22
Sink size per panicle was greater in the rice varieties of panicle weight type, Ouu 316, and Fukuhibiki, and the big grain type, Ouu 327, compared with the rice variety of panicle number type, Hitomeb...
Varietal Difference in the Relationship between the Number of Panicles per Hill and the Number of Spikelets per Panicle on the Main Stems and on Primary and Secondary Tillers of Rice
Main stem Number of panicles Number of spikelets Rice plant Sink size Tiller Varictal difference
2009/7/16
Varietal differences in the number of panicles per hill and in the relationship between the number of spikelets per hill and the number of spikelets per panicle on each order tiller in the rice plant ...
Effects of Planting Density and Topdressing at the Panicle Initiation Stage on Spikelet Number per Unit Area
Differentiated spikelet Nitrogen Panicle number Planting density Primary rachis-branch
2009/7/14
Dense planting is an important cultural technique to increase the number of spikelets per unit area, and is thought to be favorable for grain filling because it increases the percentage of spikelets o...
