precise application of the n fertilizer rate is critical to achieve maximum yield. in major regions, empirical methods were used for determining n fertilizer requirement. these methods cannot take into account variation in management and environmental conditions on determining fertilizer requirement. crop simulation models can provide an alternative means of determining the optimum crop n requi...

The objective of the research work is to propose a software based security requirement engineering model using categorical and morphisms theory. earlier models focus different viewpoints on parallel processing develop rewrite knowledge centred but does not include functional mappings between objects select best strategy. have considered needed functions that are be implemented in environments w...

Product definition has been recognized as one of the deciding factors in designing a product for success in the marketplace. It involves a tedious elaboration process enacted between customers, marketers and designers. Difficulties associated with product definition for developing product specifications are observed as contextual mismatching, lack of definite structures in requirements, lack of...