The word â? ? mulchâ? ? comes from the old English word â? ? melscâ? ? â? ?, Which means bad hay. Todayâ? ? s in the language has come to any material mean that the ground is covered, in order to conserve moisture, prevent soil erosion and inhibit weed growth. For organic gardening, I chose the materials, which over time, broken down, pull my plants and bring to the quantity of humus in the soil. & # 13; Many materials are available for use as mulch, used as: leaves, straw / hay, sawdust, gravel / rock, paper / cardboard, grass-tin scrap carpet underfelt and even plastic. Each has its own benefits and drawbacks. & # 13; Dark mulch to warm the soil, while the light colored mulch Seelenkühlvorrichtung hold. In a cool climate is a bright Strohlaubdecke obstacle to develop much of the hot season vegetables â? ? therefore, care with your choice of mulch applied and the time of year that you apply them. & # 13; IA? ? VE heard that, that a protective mulch for garden pests problem can be balanced but natural that with sufficient carnivores to any rise in the pest numbers to consume said. Leaves are the natural mulch of all. However, most of the nutritional content of the tree was taken before the leaf falls to the ground. Many leaves contain tannins and have some growth suppressant (Eucalyptus & amp; pine needles, for example), so itâ? ? s better to either add it to your pile mixture add or create them in a wire container and let it decompose for a year or so and leaf shape, they will use as mulch. Straw / hay is my preferred method of covering with leaves in my food garden. The main advantage over many mulch is that it slowly releases nutrients to the plants recovered, which he encloses. A disadvantage is that straw may contain weed seeds, but they are usually easy to grow. That is why I pea straw â? ? prefer to go normally, which are the only weeds and peas are nitrogen they add to the soil. Another problem may be that it is water repellent can be. But this is not a problem when you dribble, or flood irrigate your food plans. The sawdust is probably best used by fertilize it before it lays down as a mulch as the soil of nitrogen can rob, if your soil is poor to start with. Also it may be water repellent. However, if you have good supplies, it forms an excellent soft, natural looking coverage for railways. The gravel / rocks are used outside your Veggiegartens best, unless you are in a cool climate area they live and to warm air, such as pumpkins and tomatoes to use. Rocky storage heat from the sun during the day and give them slowly through the night free. & # 13; You can in the dry areas to larger plants and trees also are used. Water condenses on the underside of the rocks, while they cool down during the night, which helps to keep plants moist. & # 13; The drawback with rock is that weeds grow around it. Paper / cardboard are both used as mulch rather useful. I often use heavy layers of newspaper (which I get wet before laying) under pea straw or pine bark. The layers must be approximately 15cm overlap, to prevent weeds coming through. Dona? ? t use pages with colored ink, as they may contain heavy metals. & # 13; Cardboard can be a great mulch under young trees form. You can use it with a decorative rock type in addition to straw, or bark. Using the cardboard under sawdust for your garden paths prevent most weeds. Grass scrap tin can as a thin mulch under trees and shrubs are used to recover your investments, as he aufgliedert. Mach's gut, not to much to what is, as above with water-repellent finish, smelly blob! Carpet underfelt makes an excellent mulch in your organic garden. It wonâ? ? t blow away that itâ? ? s, which is easy to cut to your seedlings, it only allows air to penetrate and it holds moisture very well. You must check whether it is the older underfelt while it is not the modern review Mart. Black plastic has the advantage of being inexpensive, easy to install and Unkrautentstörers great, but its disadvantages are many. It doesnâ? ? t feed the soil, it deteriorates with direct sunlight and doesnâ? ? t allow Erdgasaustäusche between the air and the ground. & # 13; Whatever your choice of mulch, your organic garden productive and well balanced, if you choose einziehenart mulch. Remember also that mulch in contact with the tribes that you should not inherit assets, while this may lead them to rot.