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Why Fertigation

History

When choosing a fertilizer program, there are 3 typical options available to us. Firstly the dry fertilizer that you pick up and spread around your yard. Secondly a dry or a liquid fertilizer program from one of the fertilizer services and finally the fertigation process.
In 1958The first reported application of commercial fertilizer through a sprinkler irrigation system came into picture. Now a day, we routinely inject fertilizer solutions and suspensions into irrigation systems through calibrated injection pumps that insure precision over both time and space.

In the past 15 years Fertigation has increased dramatically, particularly for sprinkler and drip systems. With increased irrigation, a corresponding increase in fertigation has taken place. This system will continue to grow since such systems result in less water usage and better uniformity and lend themselves to the technique much more readily than the less water-efficient and non-uniform furrow and flood systems being replaced.

Benefits

A fertigation system will give you healthy plants that resist disease, weeds, insects and other problems naturally. This is because consistent “micro-dosing” of appropriate liquid fertilizer is much more efficient for the plant. By doing this, we can only apply what the plant can use. The plants now have a stable environment by not subjecting them to the roller coaster effect by applying fertilizers 3-4 times per year. This results in a healthier lawn. Leave those clippings to make the grass even healthier.
Since the fertilizer is already in a liquid form, it gets to the root zone that a plant can absorb very quickly. As well, because it is provided to the plant each time you irrigate, the plant gets regular feedings instead of the “feast and famine” result of granular applications. This method of application will result in a consistent growth rate, no burning or streaking, providing that your irrigation system is in very good working order.

Combined with Best Management Practices ( http://www.irrigation.org/gov/pdf/IA_BMP_APRIL_2005.pdf) of your irrigation system, your plant root systems will grow deeper resulting in less water supplementation from your irrigation system. As a result, we require less water. This is because deeper root systems reach water throughout the root zone instead of only being able to reach the moisture in the top few inches. The more surface area the roots are next to equates to more available water from the soil that it can take up. As a result, less supplemental water is required. At the end the result is an average of 30% water savings after time has been allotted for the root systems to grow deeper.

Granular Fertilizers:

Granular fertilizers stay on the surface and dissolve over time with a rain or irrigation event. This leads to the granular fertilizer to “runoff” the turf when overwatered or in heavy rains ending up in our streams which are bad for the plants, fish and wildlife that feed from stream water and it has become a national problem.

If your irrigation breaks down or even a single head breaks and is not found for a time or there is a mandated water restriction activated just after you apply granular fertilizer, it is very likely that your lawn will burn, killing your grass. Worse that will happen with Fertigation “spoon feeding” is that the Turf will go dormant. As soon as the irrigation turns back to the position, the turf comes back very quickly.

 
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