favorable solar energy‚ the country receives about 3 trillion m3 of rainwater‚ 14 major‚ 44 medium and 55 minor rivers share about 83 per cent of the drainage basin. About 210 billion m3 water is estimated to be available as ground water. Irrigation water is becoming a scarce commodity. Thus
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occurring concentrations of soil B are in soils derived from marine evaporites and marine argillaceous sediment. In addition‚ various anthropogenic sources of excess B may increase soil B to levels toxic for plants. The most important source is irrigation water‚ but others include wastes from surface mining‚ fly ash‚ and industrial chemicals. Ameliorating high-B soils is extremely difficult. A commonly used method of reclaiming high B soils is to extensively leach with low B water. Though used successfully
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seed site provided. In addition‚ there are other ways such as direct seeding. Direct seeding is done directly in the cultivation and in this way does not require a lot of manpower utilization. However‚ this way will not be effective without a good irrigation system. The machine that has been used for sown of seeds is a pump machine. 3) Crop removal On the fifth or sixth leaf‚ seedlings from the plantation seed site will be transferred into the paddy fields that have a larger
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controlled environment of about 30 - 40% shade. A good shade cloth over the seedlings should provide this to allow for better response to phototropism and grow into well-balanced seedlings. • Fertigation: application of specialised fertilizers through irrigation. Specially formulated fertilizers are applied to achieve a continuous and well-balanced feeding of N P K and micronutrients to the delicate growing plants. • Plant protection - pests and diseases: seedlings should be health and therefore need to
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was effective in his building projects. One of the king’s roles to be an effective ruler was to have building projects. Sennacherib achieved this in construction of a palace in a new capital into a new capital and the establishment of canal and irrigations. The palace in Nineveh ‘Palace without Rival’ is the evidence of Sennacherib new capital. Sennacherib’s palace was very decorative‚ elaborates‚ very well organised and provided with everything that the palace required. The palace provided significant
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Application areas Rainwater harvesting systems can be installed in both new and existing buildings and harvested rainwater used for different applications that do not require drinking water quality such as toilet flushing‚ garden watering‚ irrigation‚ cleaning and laundry washing. Harvested rainwater is also used in many parts of the world as adrinking water source. As rainwater is very soft there is also less consumption of washing and cleaning powder. With rainwater harvesting‚ the savings
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INTRODUCTION Nepal is predominantly an agricultural country‚ people dependant on agriculture with raising household livestock. These livestock cannot be maintained on the fodder produced on arable land alone. In Nepal‚ agricultural crops are seldom grown specifically for fodder production except in some small areas. Because of increasing pressure of human population and also because of higher income from cereal and cash crops than from forage crops‚ more agriculture area cannot be set apart for
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One consequence of human use of water is the wasted water resulted from inefficient irrigation. Less than half of the freshwater we use for irrigation is actually absorbed by crops. Wasteful practices like “flood and furrow” irrigation‚ which involve liberally flood fields with water‚ use up water unnecessarily because it may evaporate from standing pools in the field. This kind accounts for 90% of worldwide irrigation. Overirrigation leads to waterlogging and salinization‚ which ultimately affects
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utilized their proximity to rivers‚ how they viewed political systems‚ and their ideas on how social structure should be established. The only true similarity shared by these two early civilizations was their founding‚ and how they incorporated irrigation and trade as the basis to grow their civilizations from. To start off‚ the first difference between these two civilizations pertains to the rivers.
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It is one week since Uttarakhand’s worst disaster in living memory. Flash floods resulting from extremely intense rainfall swept away mountainsides‚ villages and towns‚ thousands of people‚ animals‚ agricultural fields‚ irrigation canals‚ domestic water sources‚ dams‚ roads‚ bridges‚ and buildings — anything that stood in the way. A week later‚ media attention remains riveted on the efforts to rescue tens of thousands of pilgrims and tourists visiting the shrines in the uppermost reaches of Uttarakhand’s
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