We examine the robustness of critical infrastructure networks in the face of terrorist attack, using a simulation experiment that incorporates link capacity; and an extension of data farming which we call network farming. Our results show that symmetrical designed networks generally outperform randomly generated networks, although ring-like structures are very vulnerable. Under targeted attacks...

The paper has analyzed production-related aspects of broiler farming under contract and independent management, and has examined inputs and services provision arrangements. About two-thirds of the contracts are of long duration of three years, and the remaining are of two years or eleven months duration. Surprisingly, none of the contract farmer possesses a copy of the agreement with him. The a...

The advancement in knowledge and technology has benefited various types of industries worldwide including the agricultural sector. developments traditional sector created a new type agronomy called, urban farming. This farming is usually done city or even housing areas apartments. concept this activity to utilise limited amounts available space for planting fruits vegetables that can grow at qu...

The evolution of agricultural economies requires two processes: 1) the domestication of plants and 2) specialization in domesticates at the expense of hunting and gathering. Yet, in the literature, domestication receives the lions share of attention while theories of specialization in domesticates lag behind. In this paper, we integrate ideas from human behavioral ecology with tools from dynami...