Abstract: The effects of different irrigation frequencies and levels of water quality on maize yield and growth parameters under raised bed and drip irrigation systems were examined. Three irrigation frequencies (every 2, 4 or 6 days) and three levels of irrigation water quality (good, marginal and poor) were applied using the high-efficiency drip irrigation system and raised bed systems. The parameters measured were germination rate, plant height, total dry matter (TDM), and grain yield (GY). The data were statistically investigated to assess the importance of irrigation frequency and water quality. The effects of irrigation frequency on plant height were observed to be statistically significant. Plant height reduced with an increase in irrigation frequency from every 2 to every 4 days, but increased with a further increase in irrigation frequency from every 4 to every 6 days. The raised bed irrigation system demonstrated better performance than the drip irrigation system; plant height, biologi

• Publication Date: 19-Apr-2015
• DOI: 10.15224/978-1-63248-043-9-106
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Abstract: Dionxin is difinetly harmful to human body, and large part of dioxin is produced from sintering processes, the distribuition of dionxin with sintering temperature is shown in Figure 1, so the control for dioxin in sintering process is quite essential. One of the mosy common ways for dioxin removal is adsorption by activated carbon, while the real dioxin gas is much complicated and quite hard to generate in laboratory, so the researches for dioxin removal by activated carbon are mostly related to the plot scale test. The AC consumption and the dioxin removal efficencies can be got from these studies, while the mechanism for dioxin removal by activated carbon can not been analysed from these scale experiments. In order to inveatigate the mechnism of dioxin removal on carbon, our research work studied a series chlorohydrocarbon’s adsorption on activated carbon, the adsorption capacity of dioxin is caculated based on our experimental results and the desorption species are also deeply studi

• Publication Date: 19-Apr-2015
• DOI: 10.15224/978-1-63248-043-9-105
• Views: 0
• Downloads: 0