It does absorb water well and contains a lot of air spaces, both of which plants need at their roots. It is a good source of very loose organic matter and it has become the standard for making potting soil.
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As moss dies it forms very deep boggy areas full of the material, which is harvested and packaged into bags or large bails. It contains no sand, silt or clay, so compost only adds the organic part of soil. Since garbage wood is cheap it is used a lot to make the cheaper compost products. It is good for loosening your soil but it does not do much to feed the plants. Wood is a plant product, but it is a plant product that provides very little nutrients. We have a lot of waste wood around and in recent years a lot of it has been ground up and composted. It will continue to decompose for another 5 years and as it does, it releases nutrients into the soil which plants can use. For more details on this see Compost – What Is Compost. The so called ‘finished compost’ is not really finished. It is recognized as a great way to fertilize plants, which is true. CompostĬompost is made up of partially decomposed plant and animal material – mostly plant. Seeing this name on a bag tells you very little about its quality. Since topsoil is considered one of the best soils many companies slap this label on their product. Topsoil is usually screened to remove rocks so it is easy to work with. It still might be better than what you have in your garden. It can take years to sell and by then much of the organic matter has decomposed, and most of the life forms are dead. The problem is that in many cases the top soil is collected and piled in large hills until it can be sold. When it is freshly collected, topsoil is great for a garden since plants grow very well in it. If a farm is used, the top soil can be of low quality since crops and the farming practices have reduced the organic content for many years. When a forest is removed for construction the top soil can be excellent.
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