搜索结果: 1-15 共查到“作物学 Direct seeding”相关记录26条 . 查询时间(0.234 秒)
Comparative performance of direct seeding and transplanting green maize under farmer management in small scale irrigation: A case study of Zanyokwe, Eastern Cape, South Africa
Direct seeding transplanting farmer management crop stand
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2011/1/10
An on-farm experiment was conducted at Zanyokwe irrigation scheme (ZIS) in the Eastern Cape Province of South Africa (SA) to evaluate comparative performance of direct seeded and transplanted green ma...
Development of Air-assisted Strip Seeding for Direct Seeding in Flooded Paddy Fields
paddy direct seeding in flooded field air-assisted seeding
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2010/12/2
We have investigated the use of air-assisted strip seeding for direct seeding in flooded paddy fields. A seeder was developed using a commercially available granule applicator remodelled for tractor i...
Genetical Studies on Germination of Seed and Seedling Establishment for Breeding of Improved Rice Varieties Suitable for Direct Seeding Culture
Oryza sativa L. quantitative trait loci marker-assisted selection
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2009/9/9
For the introduction of low temperature germinability (LTG)，seed longevity and accelerated coleoptile growth derived from foreign varieties to Japanese elite varieties to breed rice varieties for dire...
Improved Lodging Resistance in Rice (Oryza sativa L.) Cultivated by Submerged Direct Seeding Using a Newly Developed Hill Seeder
hill-seeding seeding method
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2009/9/9
Submerged direct-seeded rice is more susceptible to lodging during the ripening period than is transplanted rice. Comparing different seeding methods of direct seeding cultivation, lodging resistance ...
Effect of earthing up on lodging in direct-seeding rice culture
direct-seeding rice culture
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2009/8/4
Effect of earthing up on lodging in direct-seeding rice culture.
Establishment control of rice seedling in direct-seeding culture by reducing the excess seedlings
rice seedling direct-seeding culture excess seedlings
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2009/8/4
Establishment control of rice seedling in direct-seeding culture by reducing the excess seedlings.
Analysis of Physiological and Ecological Characteristics of Rice Cultivated with Direct Seeding on Dry Paddy Field
Direct seeding cultivation Mechanical transplanting cultivation Photosynthesis Rice
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2009/7/23
To understand the growth habit of rice plants under direct seedling cultivation on well-drained paddy fields, physiological and ecological characteristics were compared among directly seeded and trans...
Growth and Yield of Japonica × Indica Hybrid Cultivars under Direct Seeding and Upland Cultivation Conditions
Direct seeding Dry matter production Emergence Growth High yielding ability
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2009/7/23
Direct seeding is one possible improvement for future low-cost and labor-saving rice production. This study was conducted to determine whether high yielding cultivars can be adapted to direct seeding...
A Trial of No-tillage Direct Seeding of Rice (Oryza sativa L.) at Early Spring in Cold Climate Region in Japan
Heading Leaf number No-tillage Direct seeding Rice Seeding time
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2009/7/16
No-tillage direct seeding of rice (Oryza sativa L.) in early spring was conducted to disperse seeding work and to improve heading time in cold regions. Germinated seeds were seeded every 5 days in 19...
Theoretical Analysis of the Tillering Capacity for the Lower Density of Seedling Establishment in Direct Seeding Cultivation of Rice (Oryza sativa L.)
Broadcasting Direct seeding Establishment of seedling Number of tillers Oryza sativa L
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2009/7/16
The effects of an irregular density of seedling establishments in direct seeding cultivation of rice (Oryza sativa L.) on growth and grain yield and their relations were investigated in a paddy field...
Direct-Seeding of Rice(Oryza sativa L.)on Y-shaped Furrow without Tillage and Covering Soil in Poorly Drained Paddy Soil
Direct-seeding Establishments Furrow Grain yield
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2009/7/16
Direct-seeding culture without tillage and covering soil using the Y-shaped seeding furrow was examined in 1997 and 1998 at a poorly drained paddy field in Hachirogata(Akita Pref., Japan). The percen...
Effects of Drainage after Submerged Direct-Seeding on the Effectiveness of Fertilized Nitrogen and the Growth and Yield of Rice Plants
Drainage Growth Nitrogen fertilizer Nitrogen uptake Rice Seedling emergence Submerged direct-seeding
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2009/7/16
Drainage after seeding has recently been practiced in general for the improvement of seedling emergence in submerged direct-seeding rice(Oryza sativa L.)cultivation. We examined the relationship betw...
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
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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...
A New Method of Evaluating Seedling Emergence Rate in Direct Seeding under Submerged Soil Condition, and New Gene Sources of Seedling Emergence
Gene source Evaluating method Rice Direct seeding Tape seeder Seedling emergence
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2009/7/9
We previously reported a method of screening seed with a high seedling emergence rate in which seeds were sown 20 mm deep from the soil surface at 25°C in a growth chamber. In this paper, we propose ...
Alleviation of the Calcium Nitrate-Induced Suppression of Seedling Emergence by Seed Coating with Oxygen Supplier and Soil Puddling before Seeding in Direct-Seeding Rice in Submerged Paddy Field
Oxygen supplier Puddling Direct seeding of rice in submerged paddy field Apple snail Calcium cyanamide
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2009/7/9
The effect of seed coating with oxygen supplier on the suppression of rice-seedling emergence by calcium nitrate applied to control apple snail, was examined in pots and petri dishes. The seed coatin...