Advantages of Foliar Feeding

Published: 15th January 2010
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Nutrients - Incorporate foliar feeding into your growth program
A more effective method for delivery of essential plant nutrition


The most common method of providing nutrients to plants is through the roots. This is done by placing nutrients in the soil at the base of the plant or through a root drench. Foliar feeding, an alternate method, provides nutrients through the foliage or leaves of a plant. Commercial growers, with the help of scientists, have been studying foliar feeding and incorporating it into their growing programs for many years.

There are many advantages to foliar feeding. Foliar applied fertilizers are three to five times more effective than root nutrition and can successfully reduce the nutritional stress situations of plants.

Foliar applied nutrients can also make elements, such as iron, available to plants when they are not available in the soil, water or hydroponic nutrient solution. Dispersed along the plant's leaf surface are small pores called stomata. These pores are channels that gases and liquids pass through. They may occur on either side or both sides of leaves, but most plants have a larger number on the underside of their leaves.

Some plants do not have stomata on the upper surface of their leaves, so it is important to spray the underside, just in case. When sprayed on foliage, the nutrient ions of plant spray and fertilizer pass through these pores and affect the plant's physiology. Anything the plant is genetically capable of is greatly enhanced.

Some plants have trichomes or hairs that grow from the epidermis of the plant like the dense "hair" growth found on a tomato plant's stem and leaves. This makes the plant hard to "wet". The addition of a good nonionic wetting agent, such as Coco-Wet, allows whatever is being sprayed onto the plant to penetrate these hairs and establish a water film on the leaf surface. This greatly aids the passing of foliar spray through the stomata into the plant.

Despite the advantages of foliar feeding, remember it only supplements root nutrition. Spray-N-Grow and Bill's Perfect Fertilizer feed the soil as well. The solution that falls to the soil activates dormant microorganisms in the soil and multiplies the available bacteria. The working of these bacteria frees up the nutrients and makes them more readily available to the plants, as needed.

The Perfect Blend combination of Spray-N-Grow, Bill's Perfect Fertilizer and Coco-Wet feed the plant foliarly and feed the soil. You simply cannot find a better source of all the essential elements of a plant nutrition or a better delivery system.

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