Read e-book online An introduction to drip irrigation systems PDF

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By Ajai Singh

ISBN-10: 9381274185

ISBN-13: 9789381274187

Drip Irrigation process is now a longtime approach to irrigation in water scarce components however it can be gaining value in water plentiful parts. during this expertise, the cropped box is irrigated within the shut area of root quarter of crop. It reduces water loss taking place via evaporation, conveyance and distribution. for this reason excessive water use potency may be accomplished.

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Extra resources for An introduction to drip irrigation systems

Sample text

These potassium sources are soluble with little precipitation problems. Calcium (Ca): The ionic form of calcium element is Ca++. This element is involved in cell structure by creating calcium pectate and the cell division. Calcium takes part in activating the reactions of some enzymes such as phospholipase. It reacts as a detoxifying agent. Magnesium (Mg): The ionic form of magnesium element absorbed by the plants is Mg++. Magnesium is the major element in chlorophyll structure, which is responsible for photosynthesis process.

The nitrogen concentration of solid urea fertilizer is 46 %. Prepare a solution of 80 ppm nitrogen. 2. 23 g/cm3. Prepare a solution of 100 ppm nitrogen. 3. A drip irrigation system is installed in 1 ha area under citrus crop. 5 m apart. 32 kg/l is available for fertigation. Find the fertilizer injection rate to apply 40 kg/ha of elemental nitrogen. The irrigation and fertilizing time are 8 hrs and 4 hrs respectively. 42 kg/l Using Eq. 6. Sources of fertilizers Commercial P-fertilizers may also precipitate in the irrigation pipe networks and reacts with ions present in the irrigation water such as Ca or Mg.

Limitations and precautions The limitations and precautions of using chemicals/fertilizers with drip irrigation are given below: 30 AN INTRODUCTION TO DRIP IRRIGATION SYSTEM • Only completely soluble fertilizers are suitable to be applied through the irrigation system. • Acid fertilizers can corrode metallic components of the irrigation system. • The immersed fertilizers can raise the water pH and trigger the precipitation of insoluble salts that will clog the emitters and the filtration system.

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An introduction to drip irrigation systems by Ajai Singh


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