搜索结果: 61-75 共查到“农学总论 Yield”相关记录88条 . 查询时间(0.131 秒)
Influence of the soil penetration resistance, bulk densityand moisture on some components of winter wheat yield
penetration resistance moisture soil bulk density yield components
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2008/11/18
The influence of bulk density, penetration resistance and moisture content in the upper layers of soil profile (0-25 cm) on variability of yield components of four winter wheat cultivars was studied. ...
Influence of oxygen conditions on the yield and mineral compositionof triticale cv. Jago
triticale yield ODR Eh
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2008/11/14
Plants in the farmland ecosystem are subject to impeded aeration at some stages in their development. The achievement of long term tolerance to prolonged periods of poor aeration by some plants holds ...
Influence of pre-sowing magnetic biostimulation on germination and yield of wheat
magnetic field magnetic biostimu- lation magnetic exposure dose germination of wheat yield of wheat
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2008/11/14
The effect of pre-sowing magnetic biostimulation of wheat grains on germination and yield is presented. Two magnetic exposure doses were used. The results show that a magnetic field influenced the ger...
Influence of pre-sowing red light radiation and nitragine dressing of chickling vetch seeds on the chemical composition of their yield
Lathyrus sativus radiation nitragine total pro- tein crude fibre
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2008/11/14
The influence of red light radiation and nitragine treatment of five chickling vetch seed cultivars, on basic nutritional component and mineral element contents in their yield, was eva- luated in this...
Mathematical planning in experiments on 'soil-fertilizer-yield' interactions
experimental planning agrophysical parameters nutrients
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2008/11/14
The objective of the study was to show the possibility and feasibility of the application of mathematical planning for the determination of the optimum structural parame- ters and bulk density of the ...
Morphological changes and yield of selected species of leguminous plants under the influence of seed treatment with laser light
laser beam leguminous plants emergence yield
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2008/11/13
Field and pot experiments were carried out between 1998 and 2000. The factors of the 1st order were faba bean and white lupine varieties, and the factors of the 2nd order were doses of laser irradiat...
Runoff, sediment yield and erodibility characteristics of some soils of central eastern nigeria under simulated rainfall
runoff rainfall simulation sediment yield soil management infiltration
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2008/11/13
0.5 mm) were found to negatively relate with splash and sediment yield. The measured and calculated erodibility ratings did not agree with the ranking of the soils. However, such parameters as exchang...
Simulating the effects of irrigation scheduling on cowpea yield
cowpea yields water use index irrigation
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2008/11/12
The CRPSM model developed by Hill et al.(1996) was modified, calibrated and tested using cowpea-water use
and weather data collected under line source sprinkler system at
Ile-Ife, Nigeria. Three set...
Soil structure parameters in models of crop growth and yield prediction. physical submodels
soil structure parameters crop growth and yield prediction models physical submodels
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2008/11/11
The role of chosen soil structure parameters in models of crop growth and yield prediction has been analysed on the base of the review of the latest literature. It was stated that the most frequently ...
The impact of tunnel cover type on growth and yield of sweet pepper
fruit quality growth solar radiation sweet pepper temperature yielding
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2008/11/10
In the years 1995-1996 investigations on modification of microclimate in tunnels covered with polyethylene (PE) and polypropylene (PP) were conducted. The tunnels were covered with PE film and non-wov...
The model cornway - a tool for analysing the relation between soil-water regime and the yield of maize (zea maysl.)
simulation model grain yield of maize stress factor stress-day index planting date delay
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2008/11/10
Submodels for simulation of the effect of soil water regime (GLOBAL) and grain yield of maize (ZeaMays, L.) CORNY can be modified and then used simultaneously as a model CORNWAY to estimate relative p...
The model cornway - a tool for analysing the relation between soil-water regime and the yield of maize (zea maysl.)
simulation model grain yield of maize stress factor stress-day index planting date delay
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2008/11/10
The model cornway - a tool for analysing the relation between soil-water regime and the yield of maize (zea maysl.)
Yield prediction for winter wheat in eastern Poland (Grabów) using the ACCESS-II model
yield prediction winter wheat ACCESS-II model
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2008/11/10
A trial has been carried out at the experimental site at Grabów, which is situated in the Ma-zovian Plain in the Central Polish Lowlands, in order to calibrate the soil /crop water balance model ACCE...
Direct and Residual Effect of Sulphur on Growth, Nutrient Uptake, Yield and its Use Efficiency in Maize and Subsequent Greengram
Sulphur yield attributes yield of maize nutrient uptake S use efficiency value cost ratio
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2010/11/11
Field experiments were conducted with maize and green gram in sandy clay loam soils of
Thondamuthur block of Coimbatore district to study the direct and residual effect of S application on growth, nu...
Influence of Increased Plant Density and Fertilizer Levels on Physiological Parameters and Yield of Greengram (Vigna radiata (L.) Wilczek)
Greengram increased plant density fertilizer levels physiological parameters yield
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2010/11/11
The treatments were fitted in a split plot design replicated thrice. The results of the experiments revealed that transpiration rate increased with decrease in plant population. Nutrient management pr...