The purpose of the study was to identify the constrains affecting urban agriculture in Tehran, Iran. The statistical population of this study consisted of city dwellers within the 22 municipal districts of Tehran out of which 320 individuals were selected as the sample of the study. Cochran’s formula was used to determine the sampling size based on stratified sampling method. A panel of experts...

Throughout mnany less developed economies of the world, especially those of tropical Africa, a curious economic phenomenon is presently taking place. Despite the existence of positive marginal products in agriculture and significant levels of urban unemployment, rural-urban labor migration not only continues to exist, but indeed, appears to be accelerating. Conventional economic models with the...

Sustainability of agriculture is challenged by increasing sprawl in urban agglomerations. Under increasing agglomeration economies in large and even medium sized cities, more and more soil is being subtracted to agriculture, depriving agricultural activities of the main production factor. The extent to which the expanding urbanization threatens agricultural development depends on the urban spat...

We investigated the prevalence of malaria and associated risk factors in children living in urban Ghana. Malaria prevalence was associated with low hemoglobin concentration, low socioeconomic status, and higher age. Our findings indicate that African urban poor are seriously affected by malaria and that irrigated agriculture may increase this risk.

Biocide contamination of receiving waters is generally linked with agriculture. However, recent studies have shown that urban contributions should be also considered [1,2]. One of the suspected biocide sources in the urban environment is building paint. Biocides like diuron, irgarol, terbutryn, carbendazim, etc., are conventionally used in paint to control fungi, algae, bacteria and other micro...

The contemporary interest in urban cultivation in the global North as a component of sustainable food production warrants assessment of both its quantitative and qualitative roles. This exploratory study weighs the nutritional, ecological, and social sustainability contributions of urban agriculture by examining three cases—a community garden in the core of New York, a community farm on the edg...

Agriculture in urban and urbanizing areas will be increasingly critical to enhancing food security sovereignty, creating income, strengthening social interactions, improving health outcomes cities. We used three roofs, a hydroponic system, an aquaponic field rows environment grow six dwarf tomato cultivars: ‘Micro Tom’, ‘Red Robin’, ‘Sweet ‘n’ Neat’, ‘Terenzo’, ‘Tiny Tim’, ‘Tumbler.’ measured t...