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Gardening Forums
Vegetables
How to fertilize
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[QUOTE="Chuck, post: 236464, member: 944"] I wish you would forget about synthetic fertilizers such as 13-13-13-. You are paying for chemicals that WILL wash away during watering or rain. There is a scientific term called Cation Exchange Capacity. To make a long story short synthetic fertilizers are all made with negatively charged molecules. As you know from magnets two negatives repel each other. Soil, whether in a container or in the actual ground, the soil is always a ground or negatively charged. This means that the negative synthetic fertilizer molecules are repelled by the negative soil molecules. This is why synthetic fertilizers have such high numbers....they have to have a large amount of NPK because it is easily leached away. Organic fertilizer molecules are positively charged, it clings to the soil and is much much harder to leach away during rain or watering. And these days with the major makers of the worlds synthetic fertilizers at war the cost is also getting a tad expensive. If you are in the San Antonio area drive out to Bandera to the Boyles Hardware and pick up a 40 lb bag of Medina for 18$ plus tax. At least that was what it cost 5 months ago or go to Hondo where they actually make the fertilizer, 28 miles from Bandera. It is made from poultry manure and other natural ingredients. Organic fertilizers are fool proof. It is next to impossible to damage plants with it, unlike synthetic where if you make a mistake and apply too much it will burn your plants. Add double or even triple the recommended amount of organic fertilizers all that happens is you have very happy plants. And if fertilizing your lawn there is no date you have to fertilize the grass. I have been gardening a long time and I had to use synthetic fertilizers up until about 30 years ago because there weren't any organic manufactured fertilizers. I was an early convert to organics and will use nothing else. [/QUOTE]
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Vegetables
How to fertilize
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