Environmental Problems In Agriculture Essay

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INTRODUCTION
The increase in population causing higher demand in agricultural commodities for both crop and animal. The increase in population is also associated with the environmental problem currently occurred (Aneja et al., 2006). Due to higher demand in both crop and animal product, farmers throughout the world have sought the problem by increasing productivity.
However, due to the fact that the demand need to reach satisfactory, another main problem in animal agricultural industry is unmanaged waste. Waste from animal agricultural industry mainly the manure are very hard to utilised because the amount of manure is too much to handle since the amount of animal itself is quite high. Larger animal produces more manure. Therefore, the amount
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Intensive production system are lacking of environmental stimuli, sufficient space and other that they expose to their natural behaviour. Animals reared intensively produce more droppings than can be utilized as fertilizer in the cropland (FAO, 2005b), thus it is scattered to local landmass causing soil build up and runoff of pollutants (Thorne, 2007). Intensive animal production system will only aggravate the environmental problem caused by animal agricultural sector, whereby FAO has considered as one of the main contributors to climate change or global warming (Steinfeld et al., 2006).
The nature of carbon dioxide (CO2), nitrous oxide (N2O), methane (CH4) and other gases of trapping heat was demonstrated in the middle of 19th century whereby a physicist named John Tyndall discover the Earth’s natural greenhouse effect and suggested that a little change in the composition of atmosphere may bring to varsity of the climate. A Swedish scientist, Svante Arrhenius envision that the level of CO2 changes in the atmosphere significantly transform the temperature of the surface through greenhouse

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