Agriculture is the cultivation of animals, plants, fungi, and other life forms for food, fiber, biofuel, medicinal and other products used to sustain and enhance human life Process engineering encompasses a vast range of industries, such as chemical, petrochemical, agriculture, mineral processing, advanced material, food, pharmaceutical, software development and biotechnological industries. The purpose of the text Agricultural Process Engineering is to minimize the quantitative and qualitative deterioration of the materials after harvest. Key irrigation technologies and substrate choice for soilless potted flowers in greenhouses have been discussed in first chapter. Second chapter presents a summary of the results obtained from three regional needs assessments undertaken by tropical agricultural platform (TAP) and its partners. Prospects and constraints of nanotechnology in agriculture have been described in third chapter. Physical properties of seeds in technological processes have been proposed in fourth chapter. A socio-economic review on agricultural systems in IGAD region has been presented in fifth chapter. Dryland soil hydrological processes and their impacts on the nitrogen balance in a soil-maize system of a freeze-thawing agricultural area have been discussed in sixth chapter. Seventh chapter deals with phosphorus cycling in montreal’s food and urban agriculture systems. In eighth chapter, the advantage of a smart one-chip camera design with NDVI image performance has been demonstrated in terms of low cost and simplified design. The aim of ninth chapter is to show how both yield and phytochemicals converge into a new vision of agricultural management in a framework of integrated agricultural practices. The goal of tenth chapter is to model water quality impacts of growing perennial grasses on marginal soils. Effective engineering properties in the design of storage structures of postharvest dry bean grain have been described in eleventh chapter. In twelfth chapter, an innovative cellulose-based superabsorbent polymer (SAP) has been experimentally assessed as an environmentally friendly alternative to acrylate-based SAPs, for the optimization of water consumption in agriculture. The effect of needle number on drying rate of kiwi fruit in EHD drying process has been investigated in thirteenth chapter. Fourteenth chapter reviews SRI practice at global, regional and country (Tanzania) level, and evaluates the challenges, opportunities and implications for its adoption in Tanzania. Fifteenth chapter outlines hot air drying and quality of red and white varieties of onion (Allium cepa). Sixteenth chapter presents the design and development of a batch in-bin maize grain dryer. The objective of seventeenth chapter is to investigate the inactivation of endospores by a combined thermal and pulsed electric field (PEF) treatment. The development of a low-cost environment friendly extraction process applicable on industrial scale avoiding the use of organic solvents has been discussed in last chapter.
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