Recycling of biological waste for local production of vegetables in Research Paper

Recycling of biological waste for local production of vegetables in Nairobi, Kenya - Research Paper Example These foci include: identifying locally relevant options; optimization of composting processes; organization of any waste handling that occurs; the homogeneity and safety of the generated products; and acceptance of the generated products by end users. Here it will be analyzed what roles soil, plants, and oxygen play in composting in rural communities such as the one described here. Usually, what happens with soil is that the moisture in composting tends to have various gases that are eliminated into the air due to organic elements having been introduced into the soil. â€Å"The moisture content of casts is an important driving force controlling the direction of nitrification–denitrification process, thus in dry– wet cycles, increases and decreases in ammonium and nitrate contents, respectively, may occur. Therefore, the decreases in water content of casts over time may favour the predomination of nitrification processes† (Aira, Monroy, & Dominguez, 2005, pp. 470 ). Additionally, plant life is especially important to composting organic elements within the soil. â€Å"The root basis of plants with an age of more than three years are places of ‘retreat’ for earthworms during the dry season when the soil completely dries out up to a depth of 1 meter and more†¦Within this rotting material, small numbers of epigeic living earthworms can be found† (Bierwirth, 2001, pp. 3). Oxygen is also a very important element in the composting process. â€Å"The results [of this study] are relevant to the supply of oxygen†¦to sediments for the phytopurification of waste waters, to the efflux of methane and carbon dioxide from wetlands, and to rice cultivation† (Armstrong & Armstrong, 2001, Abstract). II. Objectives (100 words) The main focus of the research proposal is much in the direction of safe handling of urban wastes, the processing and the quality of the end product as a soil amendment. As mentioned, the work is plann ed to take place in Nairobi. Some of the recent work on urban agriculture and waste recycling will be analyzed. This includes knowing what steps are necessary to take in composting, and how current research has helped inform the approach that will be taken. It is hoped that, with this research, third-world composting in rural Africa will become more widely-accepted and widely-adopted all over. III. Research Questions (1,250 words) Research Questions (50 words) Research questions include the following: a) What are locally relevant options? B) How can composting processes be optimized? c) How is waste handling organized? How homogenous and safe are the generated products? and d) What is the acceptance of the end products by the public? a. Locally Relevant Options for Vegetable Production in Nairobi (300 words) Locally relevant options include trying to control pests. Pests can affect crops, which can then make the problem of yield losses worse, when trying to produce cash crops. †Å"[P]ests may affect yield loss independently in natural farming, but in conventional paddies, multiple pest injury may interact synergistically, compounding yield loss† (Andow & Hidaka, 1998, Abstract). Another locally relevant option for vegetable production in Nairobi might be testing the soil. It is important to know what type of soil is being used for which