Conventional farming makes people plant crops over a field of land, give it water to help it grow then harvest it when the time comes. This was practiced for many years until the demand for food increased which made scientists rely on other techniques to increase production.
Such practices made the use of pesticides and herbicides, fertilizers, contaminated sewage sludge and irradiation. Since these methods are harmful to the health, people have gone back to organic farming that does not use any of these methods.
Technology has found another way to increase crop production without jeopardizing the health of people and the environment. This can be done by hydroponics farming.
Plants need water to survive but this is only one ingredient. The other and most important are the nutrients. Scientists have discovered that it is only when this is diffused into the water system that the roots of the crops consume it making it grow.
By doing this in a controlled environment such as a greenhouse, the nutrients can already be mixed into the water system allowing the crops produce more yields which is what hydroponics gardening is all about.
To prove how effective it is, scientists made a comparative study on the growth of tomatoes. One batch used soil and was able to produce ten tons. The other batch used hydroponics and was able to produce 60 tons. This shows that this method can produce 6 times more than traditional farming.
Almost any type of plant that is grown using this manner will product high yields. Though some crops will be able to produce more than others, the length of time to harvest it is still faster than the old method which gives a faster turn around for farmers.
The farmer does not have to check and pull out weeds, till the land or look for diseases that normally happen during soil cultivation since there are none. Some people might think that this will consume a lot of water but it doesn’t since it is reused which also consumers less than traditional farming.
The problem with a controlled environment is that the plants may not be able to get the proper sunlight and carbon dioxide that to help it grow. This problem can be addressed by installing lights and infusing artificial CO2 into the air.
There are other ways to cultivate crops while inside a green house. One method is called deep water culture. The roots of the plants are raised in the air and a pump releases air out to make it grow. This is ideal for grapes and other crops that grow in this manner.
Another method very similar to deep water culture is aeroponics. The plants are also raised in the air and nutrients here are mixed in the form fog or mist which also reaches the crops so it could grow.
In flood and drain, a tray is used to hold the nutrients. The roots of the plants are held by foam chips or clay pebbles then at certain times of the day, this is flooded so that the plants are able to receive the proper requirements for it to grow. Afterwards, this drains itself out.
Plants can also be grown using films. This technique is called nutrient film technique where light proof plastic is used. This flow along the passage way giving the crops the essentials it needs to grow.
There are many techniques to employ hydroponics in the farm or in the household. The person just has to check what is needed and to think about what plants to grow.
One of the nicest things about hydroponics gardening is that it does not take a lot of space. This allows the person to set up a greenhouse in the backyard. The only things needed are water in containers, tubes to reuse the water consumed by the plants, strong lamps to be used as artificial light and some organic nutrients that are available at the gardening store.
Hydroponics has been around for almost 30 years. By getting some information and the proper materials, the person can soon plant vegetables and fruits instead of buying it at the local grocery or supermarket.
Hydroponic greenhouses provide an inorganic method of raising plants. Most plants that are hydroponically raised must be treated with proper care in controlled conditions. The use of gravel is common on this kind of greenhouses where the gravel supports the roots of the plants because no soil is used in raising the plants. It also balances the assorted nutrients that feed the plants in the form of liquid.
Those large commercially oriented greenhouse have automated ways to refine and propagate seeds. All the things needed to grow the seeds are all set with automated care and maintenance. There are sensitive sensors on the gravel that automatically turns on the pumps that contains water or other chemical solutions that are applied on the seeds.
Using hydroponic greenhouses gives a gardener the advantage of increasing the crop amount yielded in a single harvest. In normal agriculture, he may only produce the regular crop harvest. He may double or triple the crop production by applying the methods in hydroponic gardening. It should create big success in his greenhouse by using chemical fertilizers rather than the usual potting soil or organic fertilizers.
Steve Fox of New Mexico proposes that greenhouse gardeners should increase the production of yielded crop by extensively practicing the use of inorganic chemical fertilizers. He may also avoid poisoning the soil from organic chemical fertilizers that kills the living microorganisms that are essential in the natural growth of the plants. He says that these chemicals should be used only on controlled conditions by special hydroponic greenhouses where the destruction of the gravel beds will be avoided which are important in the for the root support of the hydroponically raised plants.
A person may wonder how the food he eats comes from hydroponic greenhouses knowing that this method used chemical inorganic fertilizer. This could bother a person’s mindset on the food that he eats. Many nutritionists have proven that these vegetables or fruits that came from hydroponic greenhouses are safe and nutritious because plants only absorb the fertilizer in an organic state.
Daniel Arnon, a physiologist professor from the University of California have stated that the plant nutrients acquired from organic composts are applied to plants when they are converted into inorganic state because of the role of the microorganisms to fertilize the soil. Many food scientists have studied and proved that all fertilizer elements should be converted first into soluble form before the roots of the plant use it.
The widely used chemical fertilizers have oriented many greenhouses to feed the crops and not the soil. This may result to the death of the soil because of the break down of the organic composition. When it comes to fertilizing the soil, it is important to remember the proper organic steps to feed the soil so that it will produce sufficient inorganic fertilizer needed to produce more nutrients in it. This points out that organic gardening may not necessarily produce the needed nutrients, where in organic fertilizer must be formed first to supply the nutrients in the organic form.
When a person applies raw chemical fertilizers on the soil, he may affect the soil condition. Microorganisms that may have been living in the soil would surely die because of these artificial fertilizers. The soil can no longer grow any plants unless the continuous use of chemical fertilizers is applied.
Hydroponic gardening may not need the services of the soil. The plants are fed through exact nutrient dosages to increase their production and for faster growth. Business minded persons are interested on this kind of method. On the other hand, the world today cannot anymore accommodate the growing demand for food because of the unstoppable growth of the world’s population that is why chemicals are now widely used on many crops to satisfy with the increasing demand for food supply.
Many experts realize that the use of chemical solutions in crops is bad for the environment. Most of these chemical solutions are made from petroleum products that should give a person the conclusion that these products are pollutants. However, the present times dictate the need to accept this reality because of the need to supply the farmers with the needed chemical solutions to produce and harvest more crops to sustain the production of food.
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