搜索结果: 1-15 共查到“土壤学 productivity”相关记录19条 . 查询时间(0.11 秒)
Improving the water productivity of paddy rice (Oryza sativa L.) cultivation through water saving irrigation treatments
Pot Experiments Water Management Wetting and Drying
2013/3/5
Rice grows well under certain condition and environment including soil, water and nutrients. Some researches have shown that traditional method with continues flooding need tremendeous amount of water...
Soil fertility effect on water productivity of maize in the upper blue nile basin, Ethiopia
AquaCrop Simulation Water Productivity Soil Fertility Nitisols
2013/3/4
Maize (Zea mays) is among the major cereals grown in the high rainfall areas of the subSaharan Africa’s (SSA) such as the Ethiopian part of the Blue Nile basin. However, its productivity is severely c...
Integrated Effect of Mineral, Compost and Biofertilizers on Soil Fertility and Tested Crops Productivity
Biofertilizer organic manure calcareous soil maize wheat and plant nutrients
2010/11/15
Poor performance of nitrogen and micronutrients availability is one of the major factors related to crop productivity in the calcareous soil. Maize (Individual hybrid 10) and wheat (C.V. Giza 168) cro...
The Negative Role of Soil Salinity and Waterlogging on Crop Productivity in the Northeastern Region of the Nile Delta, Egypt
Waterlogging soil salinity crop yields North- east Nile Delta area drainage and irrigation conditions
2010/11/15
Soil salinity and Waterlogging conditions are the major threats to the sustainability of irrigated agriculture lands in Egypt. About 40% of the cultivated area is affected to some extent by waterloggi...
Effect of vermiwash and vermicompost on soil parameters and productivity of okra (Abelmoschus esculentus) in Guyana
Organic waste vermicompost vermiwash soil fertility okra Guyana
2011/1/12
Present investigations were carried out during the year 2006 - 2007 at University of Guyana, Georgetown focusing on recycling organic waste using vermitechnology and use of vermicompost and vermiwash ...
Role of Some Effective Microorganisms in Improving Soil Properties and Productivity of Peanut under North Sinai Conditions
Microorganisms sandy soil Pea nut Bacillus Pseudomonas Streptomyces fulvissium
2010/11/15
About 77 different microbial isolates (24 Azotobacter, 14 Bacillus, 9 Pseudomonas, 14
Actinomycetes and16 Fungi), isolated from different plant rhizosphere and compost from different localities in Eg...
Toposequential Variation in Soil Fertility and Rice Productivity of Rainfed Lowland Paddy Fields in Mini-Watershed (Nong) in Northeast Thailand
Clay Farmer’s management Northeast Thailand Rainfed rice Soil fertility Soil organic carbon Toposequence
2009/7/29
Mini-watersheds called Nong in Thai are geographical components of rainfed lowland rice culture in Northeast Thailand, and constitute distinct units in understanding environmental constraints for low ...
Soil Productivity after Decomposition of Waste Materials under Different Soil Moisture and Temperature
Decomposition rate Maize Soil productivity Waste materials
2009/7/24
Productivity of the soil with waste material (WM), i.e., bagasse, coir dust, rice chaff and rice straw decomposed for two months at various temperatures and soil moisture were investigated by analyzin...
Effects of Soil Clay Content on Water Balance and Productivity in Rainfed Lowland Rice Ecosystem in Northeast Thailand
Oryza sativa Paddy Percolation Seepage Water table
2009/7/23
Water availability is one of the determinants of productivity of rainfed lowland rice (Oryza sativa L.). Quantifying water losses from a paddy field, such as deep percolation and lateral seepage, assi...
Effect of clippings management on turfgrass sward productivity and nitrogen content in the clippings and soil
clippings turfgrass decomposition N mineralization cellulose lignin
2010/1/19
The maintenance of turfgrass sward includes mowing and fertilization. Every year
turfgrass sward produces a sizeable amount of clippings containing large amounts of nutrients
which will be availab...
Effects of organic farming and crop rotations on crop productivity and nutrient amount in the soil
farming systems productivity soil properties balance
2010/1/19
The experiments were conducted in the trial field with 4 treatments, in various crop
rotations with the plants grown for green manure for the soil supply with nitrogen (the main
nutritional eleme...
Ethanol Production Could Jeopardize Soil Productivity
Ethanol Production Soil Productivity
2009/12/16
There is growing interest in using crop residues as the feedstock of choice for the production of cellulosic-based ethanol because of the more favorable energy output relative to grain-based ethanol. ...
Target area identification using a GIS approach for the introduction of legume cover crops for soil productivity improvement：a case study eastern Uganda
LCC (legume cover crops) GIS (geographic information systems) targeting agro-technology transfer
2009/3/4
Amidst the economic backdrop of resource-poor farmers, combined research and extension efforts in developing countries have focused on developing and promoting potentially adaptable and economically...
Improving Calcareous Soil Productivity by Integrated Effect of Intercropping and Fertilizer
calcareous soil intercropping fertilization phytosiderophore
2010/11/10
A field experiment was conducted at Nubariah, Alexandria governorate to study the integrated
effects of fertilization and intercropping on calcareous soil. Two s species plant with different phytosid...
Natural Resources Management on Sustainable Productivity of Rainfed Pigeonpea (Cajanus cajan L.)
Moisture conservation Nutrient management Productivity Soil fertility
2010/11/9
A field experiment was carried out to study the effect of natural resources management viz.,
rainwater and soil on productivity and soil fertility of pigeonpea under rainfed alfisol ecosystem. Differ...