Principles and Practices of Water Management: Fertigation System Overview
Fertigation, a fusion of "fertilizer" and "irrigation," revolutionizes crop cultivation by delivering complete fertilizer solutions to root zones through drip irrigation systems. This method, crucial in controlled environments like greenhouses and polyhouses, requires specific infrastructure, clean water supply, and accurate nutrient adjustments. Understanding nutrient concentrations and optimizing pH and EC levels are key to achieving successful fertigation.
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Course name Principles and Practices of Water Management (AGRO 0504) Course Credit 2+1 Lecture 1 Topic: Fertigation.
Fertigation Fertigation is derived from the word "fertilizer" and irrigation". Fertigation system is a method of cultivation in which the provision of a complete fertilizer to crops is given in the form of a solution and delivered to the root zone through a drip irrigation system.
Management of water in controlled environments and polyhouses. Basic Requirement The basic requirement that are need in fertigation system are: 1.Green House /ploy House : needed to control excess moisture, especially during the rainy season Roof - must allow sunlight to pass through Type of roofing materials - using transparent plastic 2. Irrigation system : Using the drip irrigation system. Function: Flush and distribute or supply water and nutrient rooting zone into each polybeg. 3. Water supply and quality Must use clean water and quality Water quality is important to the success of this system Eg: tap water, pool water, river water pH value and optimum air EC - 6.5 5.5, <1.0 mS / cm 4.Adjust solution tools (pH and EC metre) Use to determine the pH and EC of fertilizer solution and media are in optimum. The concentration of fertilizers and media depend on the plant that we have planted. EC needs a range of 1.2 mS / cm - 3.8 mS / cm BPSP 2014/2015
