搜索结果: 1-15 共查到“农学 cropping system”相关记录23条 . 查询时间(0.078 秒)
Reducing nitrogen surplus and environmental losses by optimized nitrogen and water management in double rice cropping system of South China
Nitrogen use efficiency N management Water management N surplus Environmental N losses
2023/4/21
Optimized agronomic management improves nitrogen (N) use efficiency in crop production. However, limited information exists about the effect of improved agronomic practices on the N surplus in double ...
Developing an Efficient Cover Cropping System for Maximum Nitrogen Recovery in Massachusetts
automated lysimeter corn silage gepgraphical information system Nitrogen management rye winter cover crop soil water sampler
2014/11/4
Time of planting plays a critical role in nitrogen (N) uptake by rye cover crop (CC). Even a few days of delay in planting can severely decrease CC performance. Evaluating the amount of N accumulation...
Long-term rice-based cropping system effects on near-surface soil compaction
Bulk Density Crop Rotation Soil Organic Matter Tillage
2013/3/4
Irrigated rice (Oryza sativa L.) production is as-sociated with frequent cycling between anaero-bic and aerobic conditions, which can lead to a greater rate of soil organic matter (SOM) de-composition...
Use of models in assessing the impact of cropping system, land types and suitability on land degradation in Southwestern Nigeria
Land degradation cropping system land type model suitability
2011/1/13
Two sites (Apomu and Alabata) measuring 10 ha and representing rainforest and savannah agro-ecological zones, respectively in South Western Nigeria were chosen to evaluate the influences of cropping s...
Effect of incorporation of legumes on selected soil chemical properties and weed growth in a potato cropping system at Timboroa, Kenya
Soil fertility soil acidity weeds control legumes potato yield
2011/1/12
The effect of incorporation of lupine and garden pea on selected soil chemical properties and growth of weeds in a potato cropping system was evaluated in North Rift, Kenya. The study was carried out ...
Path Analysis of Tiller Density of Winter Wheat Demonstrates the Importance of Practices that Manipulate Clod Size Based on Soil Moisture at Seeding in the Rice–Wheat Cropping System
Emergence depth Seeding rate Seedling establishment ratio Site-specific management Tiller
2010/3/4
The moisture of paddy soil after rice cropping is a major impediment to the establishment, tillering and yield of winter wheat in the rice−wheat (R−W) cropping system. We examined the seed...
Studies on the effect of residual and applied phosphorus on the yield and quality of fodder sorghum (Sorghum bicolor L. Moench) in wheat (Triticum aestivum L.) based cropping system and relative economics of the system
Yield quality economics phosphorus sources residual effect wheat-sorghum
2011/1/10
The experiment was carried out with the objective of studying the effect of phosphorus application timings and its sources in wheat-sorghum cropping system during rabi 2004 and kharief 2005, at the ma...
Forage Cropping System of Natural-reseeded Barnyardgrass (Echinochloa crus-galli) for Abandoned Paddy Fields and Its Feasibility in Mountainous Area
early-maturing ryegrass mid- to late-maturing ryegrass productivity cost subsidy
2009/9/9
A field experiment was carried out from October 1999 to September 2001 to establish a cropping system with Italian ryegrass (Lolium multiflorum) and natural-reseeded barnyardgrass (Echinochloa crusgal...
Forage Cropping System of Natural-reseeded Barnyardgrass (Echinochloa crus-galli) for Abandoned Paddy Fields and Its Feasibility in Mountainous Area
early-maturing ryegrass mid- to late-maturing ryegrass productivity cost subsidy
2009/9/9
A field experiment was carried out from October 1999 to September 2001 to establish a cropping system with Italian ryegrass (Lolium multiflorum) and natural-reseeded barnyardgrass (Echinochloa crusgal...
Productivity and Water Source of Intercropped Wheat and Rice in a Direct-sown Sequential Cropping System:The Effects of No-tillage and Drought
Competition Crop rotation Deuterium Direct sowing Hydrogen stable isotope Intercropping No-tillage, Water use
2009/7/24
In Japan, wheat-rice crop rotation with the practice of rice transplanting has been quite popular in the past. Mechanized direct-planted wheat-rice sequential cropping was developed at the Aichi Prefe...
Present status and research trends of cropping system in southern Kyushu
Present status research trends cropping system southern Kyushu
2009/7/16
Present status and research trends of cropping system in southern Kyushu.
Development and Extension of No-Till Cropping System
Development Extension No-Till Cropping System
2009/7/16
Development and Extension of No-Till Cropping System.
Sustainable Soil Managements in Intensive Crop Cultivation:Organic matter supply and cropping system
IN JAPANESE IN JAPANESE IN JAPANESE IN JAPANESE IN JAPANESE IN JAPANESE IN JAPANESE
2009/7/14
Sustainable Soil Managements in Intensive Crop Cultivation : Organic matter supply and cropping system.
Development of the No-till Cropping System for Rice and Soybean in Aichi pref., Japan
No-till Cropping System Rice Soybean Aichi pref
2009/7/14
Development of the No-till Cropping System for Rice and Soybean in Aichi pref., Japan.
Effect of Cropping System on Arbuscular Mycorrhizal Fungal Population, Growth and Yield of Succeeding Crop on Andosol in Central Region of Japan
Arbuscular mycorrhizal fungi Cropping system Corn Soybean
2009/7/9
The effect of the cropping system on arbuscular mycorrhizal fungi, growth and yield of succeeding corn or soybean were studied over the rainy season on Andosol field in Ibaraki, Japan, since a high s...