Watermarking is a frequently used tool for digital rights management. An example of this is using watermarks to place ownership information into an object. There are many instances where placing multiple watermarks into the same object is desired. One mechanism that has been proposed for doing this is segmenting the data into a grid and placing watermarks into different regions of the grid. Thi...

This publication is written for those looking for a way out of the high risk, long hours, low pay, poor prices, and dim future associated with conventional cash crop production. There are viable alternatives to continuing in the cash crop business for those who can adjust their thinking. Finding alternatives to commodity crop production is the focus of this publication. Certain principles provi...

intercropping is one of the most important approaches for sustainable agricultural production. in order to evaluate the effect of planting patterns and millet density on forage yield of millet and soybean, an experiment was conducted in the research farm of faculty of agriculture, ferdowsi university of mashhad during the 2007-2008 growing season. the experiment was performed as factorial based...

Arable cropping systems have developed and continue to change in response to economic and social pressures. Concern for the state of wildlife and the quality of soil and water has led to further pressures on the way that crops are farmed. There is therefore an ongoing debate about the future of arable farming. This review summarizes current information about the impacts of arable cropping syste...

Disposal of poultry litter, a widely available organic manure in the southeastern USA because of a largescale poultry industry, is a major concern because of its contamination in surfaceand groundwater through N leaching and P runoff. Application of poultry litter in no-tilled intensive cropping system could increase soil C and N sequestration compared with the conventional-tilled system with i...

Scaling and cropping are very common in today’s image processing software. When an image is printed-and-scanned, the final image is generally a cropped version of the rotated, scaled original image, with additional noises. The cropped image usually does not have the same aspect ratio as the original, so the DFT coefficients of the cropped image and the original would be quite different. In this...