Saturday, April 5, 2014

Southwestern Missouri garden soil: The real story!

If you live where I do, in southwest Missouri near counties with names like Stone, you might guess (correctly), that good loamy topsoil is hard to come by. Most of the soil, when you can find it, has a very high clay content that compacts easily and can be a real trial for a vegetable plant to grow well in. that why a lot of folk add all sorts of amendments and often prefer raised beds where the soil is lifted up thus allowing the spring sun to warm it faster that would otherwise be the case. This picture, at right, is a good representation of what I'm talking about. The clod of soil on the left is mostly composed of very fine grains of clay and sand. It compresses easily and will form long sticky ribbons when wet. Not the best of growing mediums. The soil on the right, while not perfect, has organic matter in it and is looser as a result!

Soil amendments do a number of good things for sub-par soils; 1) they will improve the structure, by increasing the ratio of air and water spaces to solid matter. This allows your plants to 'breath' more freely. 2) they most always include some form of organic matter like humus, a material that can absorb and hold water during periods of dryness. And, 3) they promote the rapid growth of fungi and bacteria that supply roots with the needed nutrients to grow stuff like large tomatoes or bell peppers! As a matter of fact, most everyone has such a great soil amendment right in their homes... it's called
kitchen scraps! Anyone who collects scraps can then add them to garden areas to help enrich even a poor soil. Before you know it, earthworms will make an appearance and then will stay – a sure sign of good soil fertility.

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