The article analyzes the research on formation of leaf surface area spring wheat Darya variety in different cultivation technologies chernozem soil Kursk Region. aim was to study peculiarities depending technology and identify conjugate relationships indicators under conditions soils results conducted studies indicate that intensive contributes activation assimilation apparatus leaves during en...

This study administers a survey on available literatures and secondary data sources shrimp cultivation in Bangladesh. The results indicate that there are significant variations production area coverage under farming the country. It also finds lack of uniqueness uniformity dataset. uses concept extrapolation makes some assumptions to confine into representative updated dataset prawn cultivated s...

optimal allocation of water resources is an essential service in agriculture that must be considered by farmers. one of the most significant factors in optimal allocation of water resources in agriculture is to define optimal farm cropping pattern. in this study, in order to determine optimal cropping pattern and water resources allocation in central district of mashhad city (toos village), the...

In this study chemical method of dissolution-Precipitation was applied to produce amorphous silica nanoparticles from rice straw ash (RSA), the waste material of rice cultivation. The morphology, particle size, structure and area of specific surface of synthesized amorphous silica nanoparticles were evaluated using transmission electron microscopy (TEM), X-ray diffraction analysis (XRD) and BET...