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The Possibility Of Pesticide On Groundwater Contamination University History Essay Help

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Groundwater quality assessment researches have also been carried out in different places in Kenya to evaluate its state of contamination and the possible contaminants. Benjamin et al. (2020) conducted a study to assess the nitrates concentration of groundwater in Kisumu and Kano Plains in Kenya and the probable sources of the nitrite’s contaminants. The study involved testing 62 wells and analyzing their physicochemical and isotopic properties in the rainy and dry seasons. The wells consisted of shallow wells of less than 10 meters depth and machine drilled wells of less than 15 meters depth. Their results showed that shallow wells had a high concentration of nitrates with about 75% and 63 % shallow wells and boreholes exceeding the WHO standards for drinking water. The nitrates in the wet season were relatively higher than in the dry season, indicating that manure and sewages mainly contributed to the contamination (Benjamin, Stephen, & Pascal, 2020). The decrease in nitrates concentration during the dry season was due to in situ denitrification. The research recommended that more efforts be applied to the wastewater sanitation system in the study area to avoid more groundwater contamination.

 

The microbial and physical-chemical indicators of groundwater apus history essay help

Japhet et al. (2019) also conducted similar research in Kisumu to investigate the microbial and physical-chemical indicators of groundwater contamination. They collected waters samples from 275 wells in 22 different cities in their study area and analyzed their bacterial and chemical contamination within two years, 2016 and 2017. Their study showed the groundwater was contaminated due to the seepage and leaching of compounds from pit latrines in the area. The study also indicated that the degree of contamination varied inversely with the distance of the well from the contaminant source and the depth of the well-respected. The study recommended that some minimal distances between wells and pit latrine should be set to prevent groundwater contamination.

Cathrene et al. (2020) conducted a study to evaluate the presence and concertation of heavy metals in groundwater sources in Kilimambogo, Kenya, and the possible sources. This research collected water samples from various wells in Ol-Donyo Sabuk, Kitini village in Kyanzavi division- Matungulu sub-county in Machakos county, Magogoni, Ndula, and Goliba in Gatuanyanga-Kiambu county and around fourteen falls. The concentration of the metal elements and other contaminants was high and above the acceptable threshold. Their study suggested that the contamination could be due to industrial activities or agricultural pollutants from small-scale farms and large pineapple farms. They recommended that water sources in the areas needed to be monitored regularly.

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Cathrene et al. (2020) conducted a study to evaluate the presence and concertation of heavy metals in groundwater sources in Kilimambogo, Kenya, and the possible sources. This research collected water samples from various wells in Ol-Donyo Sabuk, Kitini village in Kyanzavi division- Matungulu sub-county in Machakos county, Magogoni, Ndula, and Goliba in Gatuanyanga-Kiambu county and around fourteen falls. The concentration of the metal elements and other contaminants was high and above the acceptable threshold. Their study suggested that the contamination could be due to industrial activities or agricultural pollutants from small-scale farms and large pineapple farms. They recommended that water sources in the areas needed to be monitored regularly.

Agricultural management practices Summary history assignment writing help

3 Research gap

Agricultural management practices such as increased use of chemical fertilizers are commonly evaluated for economic and efficiency in production. Still, less attention has been paid to the related potential environmental hazards (Zhang, Yan, Guo, Zhang, & Ruiz-Menjivar, 2018). Several scholars and engineers have carried out research to identify groundwater contamination’s effect. It has been agreed by a majority of these scholars including, Ravindra et al.  (2019), Chbib et al. (2019), Gaona et al. (2019), Benjamin et al. (2020), Japhet et al. (2019), and Catherine et al. (2020), all agree that agricultural practices contribute to groundwater contamination. However, the majority of the scholars pointed out this to be one of the factors but haven’t carried out a specific test on the agricultural practices. For instance, Catherine et al. (2020) suggest that groundwater contamination in Kilimambogo could be due to industrial activity or agriculture but does not present any specific test for agricultural practices. In Kenya, most groundwater quality assessments have been carried out in the western region, but less has been done in the Eastern region, especially in Machakos county. In addition to that, there is not much work that has been done regarding the evaluation of groundwater contamination due to pineapple farming. Also, no research records or EIA report investigations on the effects of the pineapple farm chemicals and fertilizers on the groundwater quality parameters in the Del Monte farm in the Muka Mukuu area.