Monday, November 30, 2015

Hydroponics - Definition

agriculture definition

There has been rapid development in hydroponics, & today it is a recognized branch of agronomy. In the several countries where hydroponics is used, it's been rendered to be a practical method of horticulture. Primarily, crop growth through hydroponics is substantial, & secondly, hydroponics can be used in areas where in-ground agriculture is impossible.

agriculture definition

Hydroponics has gained considerable popularity around the globe for food production, for the several advantages that it entails. First, soil is not needed in hydroponics, & there is efficiency in water use as well, for the waters stays in the method & can be used again. It is also feasible to adjust the nutritional levels, & hence nutrition costs are also low. Additionally, because of the controlled surroundings in which hydroponics is used, there is no nutrition pollution, & there a stable & high yield. Finally, pests & diseases are simpler to control & remove because of the mobility of the hydroponics plant growing techniques.

agriculture definition

The main methods of hydroponics are the solution culture & the medium culture. The tree main kinds of solution culture are the static solution culture, continuous flow solution culture, & aeroponics. The solution culture makes use of only the nutrient solution for plant cultivation, & no solid medium is necessary. The medium culture contains a solid medium for the plants' roots, & the hydroponics techniques used under the medium culture include the sand culture, the gravel culture, & the Rockwool culture. There's variations for each of the medium cultures, namely sub irrigation & irrigation. Hydroponic reservoirs used in all techniques are usually made of plastic, although concrete, glass, metal, vegetable solids, & wood are also used. The hydroponic containers avoid light in order to cease algae growth in the nutrient solution.

It ought to be noted though, that along with its advantages, there's several draw backs involved with hydroponics. The presence of fertilizer & humidity can lead to salmonella. As well, there is a risk of pathogen assaults due to high moisture levels that are associated with hydroponics.

In conclusion, in may be mentioned that with minimal pesticide issues, as well as a constant supply of nutrients to plant roots, cultivation through hydroponics is substantial. However, reduced levels of carbon dioxide in the atmosphere, or low light exposure can impact plant growth. This issue can be resolved by injecting carbon dioxide in to a green house surroundings to boost cultivation, installing lights, & controlling vegetative growth.



agriculture definition

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