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Generalized calibration of the Hargreaves equation for evapotranspiration under different climate conditions
accurate estimation fuzzy logic irrigation scheduling
2015/3/10
Accurate estimation of evapotranspiration (ETo) is a key factor in weather-based irrigation scheduling methods. To estimate ETo using the Hargreaves equation, just the data on the minimum and maximum ...
The Changes of Soil Mineral Nitrogen Observed on Farms between Autumn and Spring and Modelled with a Simple Leaching Equation
Soil Mineral Nitrogen Observed Farm
2015/3/1
The content of nitrate or mineral nitrogen (Nmin = N-NO3
–
+ N-NH4
+
) in soil in autumn is recognized as
the indicator of potential risk of N leaching during winter
Field Determination of the Specific Input Characteristics to Calculate the Value of C Factor of Time-variable Crops for the Revised Universal Soil Loss Equation (RUSLE)
soil erosion by water soil loss RUSLE time-variable characteristics of crops effective root mass canopy cover fall height
2015/1/28
To determine specific characteristics necessary for the computation of the C factor in RUSLE for timevariable crops, measurements were carried out in fields with selected agricultural crops grown by c...
Analysis of tangential curve equation describing mechanical behaviour of rapeseeds (Brassica napus L.) mixture under compression loading
force deformation oil bearing crops mathematical model compression volume energy
2014/2/24
The analysis of tangential curve equation for describing mechanical behaviour of rapeseeds (Brassica napus L.) mixture
under compression loading were discussed. Parameters considered in this study i...
Influence of fungicides and vesicular arbuscular mycorrhiza on growth and nutrient balance of soybean by used DRIS equation
VA-Mycorrhiza DRIS Nutrients Balance Index
2013/3/4
A pot experiment was conducted to study the effect of mycorrhiza, fungicides in difference concentration and there combination on growth and nutrients balance index of soya bean. Tow AM treatments inc...
An empiric equation for the latent heat of vaporization of moisture in bananas during its isothermal drying
Energy Agricultural Products Dried Banana Heat and Mass Transfer
2013/2/28
In order to determine the energy needed to artificially dry a product, the latent heat of vaporization of moisture in the product, hfg, must be known. Generally, the expressions for hfg reported in th...
Hilly-Land Soil Loss Equation (HSLE) for Evaluation of Soil Erosion Caused by the Abandonment of Agricultural Practices
potential soil erosion shallow groundwater
2009/9/9
Soil erosion from fields located in the hilly lands of Shikoku was investigated. These are the areas where agricultural practices are quite limited and fields are often left idle and unutilized. Based...
Regression equation for describing gluten thermal expansion
wheat wet gluten heating temperature gluten membranes thermal expansion
2008/11/12
Testing of gluten ability of thermal expansion consisted in heating a small sample of freshly washed out gluten at temperatures causing the boiling of water within it. Gluten membranes extend around f...