By Ajai Singh
Drip Irrigation process is now a longtime approach to irrigation in water scarce parts however it can be gaining value in water ample parts. during this know-how, the cropped box is irrigated within the shut neighborhood of root area of crop. It reduces water loss taking place via evaporation, conveyance and distribution. hence excessive water use potency may be accomplished.
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Extra info for An introduction to drip irrigation systems
Mesh No. 40 50 80 100 120 155 200 Hole size, micron Wire thickness, micron 420 300 177 149 125 100 74 250 188 119 102 86 66 53 Therefore, it is important to consider the percentage of open area when sizing a filter for a given system discharge. It may be fitted in a series with the gravel filter in order to remove the solid impurities like fine sand, dust, etc. from water. Screen filters are suitable to water with inorganic impurities. High load of organic and biological impurities may clog the screen promptly.
These factors should be taken into consideration and for the same crop, for each field, different fertigation programs are recommended. The information on quantities of nutrients removed by crop can be used to optimize soil fertility level. Part of the nutrients removed by crop is used for vegetative growth and the rest for fruit production. It is important to have enough nutrients in the right proportions in the soil to supply crop needs during the entire growing season. Vegetable crops differ widely in their macronutrient requirements and in the pattern of uptake over the growing season.
1. Advantages The salient advantages of fertigation are given below: • Uniform distribution of the nutrients in the soil by the irrigation water. • Deep penetration of the nutrients into the soil. • Lower fertilizer losses from the soil surface. • Better coordination of nutrient supply with the changing crop nutrient requirements during the growing cycle. • Higher application efficiency. • Full control and precise dosing of fertilizers in automatic and semi-automatic irrigation systems avoids the leaching of nutrients beneath the root zone.