The Greens and Browns of Composting
Imagine yourself as a chef of a fancy restaurant. To cook a delicious meal, you carefully measure the ingredients and combine them to create wonderful dishes. The same can be said when creating composts. This time, however, instead of the people in the restaurant as your customers, you will be answering the needs of your plants. And just like cooking, you are given the task of putting together in equal amounts the “greens” and “browns” of composting.
“Greens” and “browns” are nicknames which are used to refer to the organic materials used in creating compost. The major differences between these two elements are not so much on the colors of the organic matter themselves but rather on their basic components. The Greens are organic materials rich in nitrogen or protein. Meanwhile, Browns are those organic matters that have high carbon or carbohydrates contents.
Because of their high nitrogen and protein contents, Greens allow micro organism in composts to grow and multiply. Also, the Green components generate heat in compost piles. The Brown elements on the other hand contain the energy that most soil organisms need. Furthermore, because of their high carbon contents, the Browns function as a big air filter, absorbing the bad odors that emanates from the compost pile. The carbons also help prevent organic nitrogen from escaping and also aids in the faster formation of humus from the compost.
In case you’re stumped whether an organic waste or material belongs to the Greens or Browns variety, one of the easiest way to test it is to wet the material. If you find the material to stink after a few days then it belongs to the Greens variety. Again, remember not to be fooled by color.
For example, although leaves come in green, brown, red, etc. colors, they are classified as Browns. Leaves are high in carbon. The evergreen leaves for example have higher carbon contents than any other leaves. However, there is always an exception. Oak tree leaves do not fall under the Greens classification. Oak leaves contain high amounts of nitrogen which makes them fall under the Greens category.
Other examples of Greens include animal wastes, grass clippings, and those left over food from your kitchen. AS long as you don’t use harmful chemicals like inorganic fertilizers and pesticides on your grass, then the use of grass clippings I is okay. Meanwhile, papers, wood chippings, sawdusts, bark mulches and other wood products are most often than not fall under the Browns classification.
Sugar products are also classified under Browns. These include molasses, syrups, sugar and carbonated drinks. You could use these sugar products to activate or increase the activities of microbes in your compost pile.
Some other Greens include vegetable and fruit wastes, eggshells, as well as coffee grounds, filters, and teabags. For the Browns, they have hay, straw, and cornstalks. Pine needles fall also under the Browns category. However, it is suggested that using too much pine needles on the compost pile will give the Browns too much of an advantage.
Once can achieve a successful compost with the correct ratio of Brown and Green components. Ideally, a “Browns” and “Greens” of composting ratio of 3:1 would ensure a successful compost.
This means, you will have three parts or the pile made of components high in carbon (Browns) and one part of it made up of nitrogen-rich ingredients (Greens).
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Top Reasons for Composting
Here are my top personal reasons for composting. I only hope that you move your butt out of that chair and begin your own compost pile before you reach number ten.
The first reason I find composting highly worthwhile is the fact that the materials used are absolutely free and are readily available. Compare that with the ever rising costs of commercial fertilizers and other gardening products in the market today. All you need is a little extra effort to find the best materials for your compost pile, but otherwise, everything’s for free.
The second one is that compost provides more nutrients and minerals needed by my plants than commercial organic or synthetic fertilizers. The overall effect of compost is also longer than commercially available fertilizers. It’s free and it works better, who wouldn’t want that? Plus, if you organize your ingredients just right, you can provide a whole lot more range of nutrients.
Another good reason would be the benefits of compost to the soil structure. When applied to the soil, compost can help the soil be more resistant to erosion, improve its retention of water, and in some types of soil (like clay) it can reduce the chance the soil becomes compact. This is also important for farmers since compost can make the soil easier to till conserving time and fuel needed to operate the machines.
With the right composting technique, the process can kill those troublesome weeds as well as pests and disease-causing organisms present in the materials being composted. High temperature composting is the technique I am talking about. Although, this technique is not the backyard variety but rather a more laboratory or industrial type variety, I still find it a good reason why we should make composts.
There have been studies which indicate that using compost can suppress the growth of diseases in crops. Other studies also show that crops grown over compost rich soils can resist better pest or insect attacks. Likewise, some news and observations in the field also shows that crops grown using compost bear produce that can be stored longer. If that’s not reason enough, I don’t know what else you are looking for.
For the environmentalists and conservationists, compost has something for them as well. Using compost together with the soil can build soil carbon which can eventually reduce the carbon dioxide in the atmosphere. It may take a lot of compost to have a positive effect on the greenhouse gases but that fact is quite useful as well.
It is also found out that compost works well as an antidote for soils that are toxic with agricultural chemicals. Compost can balance the levels of soil acidity, and helps farmers to go organic after years of using synthetic agricultural products.
These are my top reason for composting. Some of it may not directly benefit my personal needs but having those reasons to cling onto is a good thing to motivate the use of compost.
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