waste. Besides that‚ numbers of standing tanks are usually potential breeding grounds for harmful animals like maggots and flies. Other than that‚ human waste produced methane gas is very explosive and an asphyxiation hazard. On the other hand‚ the bad soil quality‚ very low usage of chemical fertiliser and often attacked by earthquakes that caused the damage of the facilities and loss of humans’ life which affected the harvest of the crop is very less amount so packed food will be the first choice to
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Chemical Fertilizer vs Organic Fertilizer A chemical fertilizer is defined as any inorganic material of wholly or partially synthetic origin that is added to the soil to sustain plant growth. Organic fertilizers are substances that are derived from the remains or by products of organisms which contain the essential nutrients for plant growth. Comparison chart | Chemical Fertilizer | Organic Fertilizer | NPK Ratio: | 20 to 60% | About 14% | Example: | Ammonium sulfate‚ ammonium phosphate
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DEFORESTATION Deforestation has been described as the cutting down of trees without planting others in their place. Deforestation‚ clearance or clearing is the removal of a forest or stand of trees where the land is thereafter converted to a non-forest use. Examples of deforestation include conversion of forestland to farms‚ ranches‚ or urban use. It is hard to think that there was a time when 90% of the earth was covered by trees‚ but this was once the case. More than half of the animal and plant
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Code in the United States and the various modified renditions of Colorado‚ New Mexico‚ Arizona and California; and‚ Australia. Amongst these standards there is a common theme amongst them that outlines specific minimum values for various stabilized soil block performance criteria. In particular‚ the standard created through a joint effort between the Center for the Development of Industry (CDI)‚ Belgium and CRATerre‚ France entitled ‘Compressed Earth Blocks’ has been a valuable reference and has formed
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enters the soil‚ and eventually makes its way into our river systems by filtering through the soil or by direct run-off‚ and finally ends up in the sea. When these pesticides get into water bodies they cause “eutrophication” which is the growth of excess algae in the water . These algae tend to compete with the living aquatic organisms in the water bodies for the available oxygen resulting to the death of some aquatic organisms. POPs do not readily break down; they pollute the air‚ soil‚ rivers and
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include the right temperature‚ amounts of water‚ season‚ surrounding air‚ amount of sunlight‚ and soil conditions. In addition‚ a fungus known as mycorrhizae will develop within the roots of this plant and eventually undergo symbioses. Fortunately‚ these mycorrhizal fungi form mutualistic relationships; which will enable the plant to absorb a sufficient amount of water‚ consume nutrients from the soil‚ and prevent pathogens from harming the roots. An experiment on the germination and seed production
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Site Investigation Site Investigation is the gathering of information about the proposed location of the construction project. The reason for this can be twofold‚ firstly to assist in the location of the project and secondly to ascertain ground conditions. A site investigation should be taken for every site. Without a properly procured‚ supervised and interpreted site investigation‚ hazards which lie beneath the site cannot be known. A site investigation is made
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Termites can cause tremendous amounts of damage to your home‚ but can termites survive the cold winter months? The professionals from Lexington‚ KY’s Guarantee Pest Control have your answers for residential pest control and how to protect your home year round. Termites can remain active all year‚ even during the winter. These tiny subterranean pests burrow even deeper in cooler months to find the warmth they need to remain alive. They forage closer to nests during the cooler months‚ and although
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shell- and finfishes and mollusks. They also build up coastal elevations by trapping sediment during floods‚ and produce new soil from roots and decaying organic matter. Salt marshes store enormous quantities of carbon‚ essential to plant productivity‚ by‚ in essence‚ breathing in the atmospheric carbon and then using it to grow‚ flourish and increase the height of the soil. Even as the grasses die‚ the carbon remains trapped in the sediment. Salt marshes can be extremely difficult places to live
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Soil erosion and management on the Loess Plateau 作者： 作者单位： 刊名： 英文刊名： 年，卷(期)： 被引用次数： CAI Qiang-guo Institute of Geographic Sciences and Natural Resources Research‚ CAS‚ 地理学报(英文版) JOURNAL OF GEOGRAPHICAL SCIENCES 2001‚11(1) 6次 参考文献(23条) 1.Chen Yongzong;Jing Ke;Cai Qiangguo Modern Erosion and Management 1988 2.Lal R Soil erosion by wind and water: problems and proposals 1988 3.Shi Nianhai Loess Plateau and evolution of its agro-forest distribution area 1981 4.Zhu Kezhen Preliminary study of climate
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