ADVANTAGES OF DRIP IRRIGATION

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Presentation transcript:

ADVANTAGES OF DRIP IRRIGATION INCREASED YIELD EARLY MATURITY WATER SAVING FERTILIZER SAVING INCREASED FERTILIZER USE EFFICIENCY BY CROP ENERGY SAVING LABOUR SAVING MARGINAL LAND & UNDULATED LAND CAN BE IRRIGATED USE OF SALINE WATER IS POSSIBLE FOR IRRIGATION REDUCED WEED GROWTH LESS PROBLEM OF DISEASE AND PEST MAKES INTERCULTURE OPERATIONS EASY

Vegetables: Drip Fertigation Versus Conventional irrigation CROP YIELD (kg/acre) WATER USE (m3/acre) Surface Drip % more Surface Drip % saving Tomato 9808 25050 155.4 1901 1007 47.0 Capsicum 5340 8900 66.6 2041 1161 43.1 Bhendi 3144 7187 128.5 1683 1043 38.0 Brinjal 5044 8569 69.9 2483 1488 40.0 Beans 2255 4100 81.8 1776 1120 36.9 Babycorn 2292 3952 72.4 1462 820 43.9 Gherkins 9720 19500 100.6 1343 856 36.2 Carrots 5460 10500 92.3 1965 1301 33.8 Cauliflower 6840 10960 60.2 1562 1040 33.4 Cabbage 8550 18750 119.2 1504 1016 32.4

Vegetables: Drip Fertigation Versus Conventional irrigation CROP YIELD (kg/acre) WATER USE (m3/acre) Surface Drip % more Surface Drip % saving Cucumber 6200 9000 45.1 1544 960 37.8 bittergourd 7981 13301 66.6 3040 1320 56.5 Bottlegourd 15200 22320 46.8 3360 2160 35.7 G.pepper --- 12500 --- --- 1220 --- Ashgourd 4320 4800 11.1 3360 2960 11.9 Broccoli Beetroot Radish

Fruits: Drip Fertigation Versus Conventional irrigation CROP YIELD (kg/acre) WATER USE (m3/acre) Surface Drip % more Surface Drip % saving Banana 23000 35000 52.1 7040 3880 44.8 Grapes 8000 12000 50.0 3520 2320 34.0 Pomegranate 6050 11700 94.5 3920 2196 43.9 Sweetlime 4000 6000 50.0 6640 2560 61.4 Mango 3000 5400 80.0 5100 3324 34.8 Papaya 5200 9200 76.9 9120 2920 68.0 Watermelon 9610 15500 61.3 1680 1000 40.5 Ber/tree 13.7 18.0 31.3 15.4 12.5 18.8 Kinnow 2720 3920 44.1 884 692 21.7 Guava/tree 160 220 37.5 6.4 5.2 18.7 Mosambi* 40000 60000 50.0 6640 2560 61.4 * Numbers

Field crops: Drip Fertigation Versus Conventional irrigation YIELD (kg/acre) WATER USE (m3/acre) Surface Drip % more Surface Drip % saving Sugarcane 30000 70000 133.3 9800 4960 49.3 Cotton 904 1700 88.0 3600 1680 46.6 Onion 14625 22500 53.8 2080 1120 46.1 Potato 6060 10880 79.5 2400 1100 54.1 Chillies 912 1520 66.6 1708 980 42.6 Grain corn 800 1400 75.0 2304 1500 34.9 Pop corn 1700 2600 52.9 2200 1208 45.1 Groundnut 1692 2436 43.9 2620 1680 35.9 Chickpea 1254 2200 75.4 1808 1048 42.0

DRIP IRRIGATION In Drip Irrigation, the plant foliage remains dry . This prevents the diseases and leaf burns that are some times evident in sprinkler Irrigation. In Drip Irrigation, the area between wetted strips is kept dry. This facilitates the movement of machinery and farm implements when irrigation is in progress. Drip Irrigation is well suited to all soils and also for heavy soils with low infiltration rate or soils that from surface crusts when sprinkled. Drip Irrigation requires no special land preparation.

DRIP IRRIGATION Drip Irrigation can not be used for frost protection or for cooling during period of hot weather like sprinkler irrigation. Like sprinkler irrigation, Drip Irrigation can not be used or suitable for supplemental irrigation of large areas. In dry , windy regions, Drip Irrigation of young tree plants in “light” soils encourages soil erosion due to the very limited wetted area. Strong winds also presents problems of anchorage.