Related Literature on NPK Soil Content Archiving Application
REVIEW OF RELATED LITERATURE AND STUDIES
High population rates have led to the replacement of traditional systems of soil treating into continuous cultivation and to the depletion of nutrients through the removal of crop residues prior to planting, leaching and soil erosion. Crop growth is mostly limited by NPK. Inorganic fertilizers can restore soil fertility but are unaffordable for the small-scale farmers living with small income per month. Compost systems have been developed to reduce the costs of inorganic fertilizer and restore soil fertility in the long term (Dr. Baert et al., 2014).
The study highlights the importance of inorganic fertilizer rather than organic fertilizer though both fertilizers are effective in the increase of crop production, generally product farm land products. To minimize the cost of expensive manures and fertilizer, farmers should be aware of the present nutrient in a soil. Adequate NPK information of the soil will help the respondent to lessen the cost of buying fertilizer, because the respondent will determine the only amount of the fertilizer needed by the soil.
The effects of organic amendments avoid the application of high levels of chemical fertilizers. The inclusion of cover crops or green manures can also enhance the efficient nutrients obtain by plants. Soil fertility will also be improved with organic waste application such as by-products of farming, or municipal activities including animal manures, food processing wastes and municipal bio solids, wastes from some industries, such as sewage sludge’s, wastewaters, husks and vines’.
Another importance of organic matter and soil nutrients, and their use in agriculture can contribute to the natural ecological cycles as well (Diacono et al., 2010).
The study “EFFECTS OF BIOFERTILIZERS COMBINED WITH DIFFERENT SOIL AMENDMENTS”, state that the effect of the combined application of two commercial Fertilizer and EM (Effective Microorganisms) on agricultural land is growth and yield in soils amended with farmyard manure, green manure, and NPK fertilizers (Arshad Javai, 2011).
The study will be a basis for the macro-nutrient content as a factor that increase the soil fertility and result of higher production of farm product, the main reason for the significance of the soil macro-nutrient namely as, nitrogen, phosphorus and Potassium.
Measurement of Nitrogen, Phosphorus and Potassium (NPK) contents of soil is necessary to decide how much extra contents of these nutrients are to be added in the soil to increase crop fertility. This improves the quality of the soil which in turn yields a good quality crop. A study colorimetric measurement of soil has been carried out that determine color to identify adequate color. The researchers conceptualize a study that will help in determining the NPK amount as high, medium, low, very low or none, comparing the corresponding nutrient color using color sensor. The sensor prove along with proper signal conditioning circuits is built to detect the efficient color of an object (Kulkari et al, 2015).
Modern tool for preserving and replenishing soil nutrient is very significant in terms of adequate result and effective solution in increasing farm growth. Hence, the researchers will conduct a study and develop a system that will help the respondent yield substantial effect in their livelihood.
Agricultural remote spectral sensing typically refers to imagery taken from above a field where the incident electromagnetic radiation is generally sunlight. When sunlight hits the surface of the crop or soil, the light will be reflected, absorbed, or transmitted, depending on the wavelength of the light and the characteristics of the contacted body and there are three methods to sense primary nutrients which are Nitrogen, Phosphorous and Potassium (NPK) in the soil a study intensively investigated and proven that modern tool is important in agricultural management (Moghaddam et al. and Li et al., 2010).
“Integrated High Resolution Digital Color Light Sensor in 130 nm CMOS Technology”, present a color light detection system a sensor and corresponding electronics light using a chip and integrated sensor that converts analog-to-digital RGB color resolution (Strle et al., 2015). Therefore, the use of the system will be operationally trend in determining the soil status and condition which is possible in determining its NPK by providing a sample which uses soil test tool kit as a part of color sensor in calculating the equivalent nutrient of a particular soil.
Synthesis
The above-mentioned related literature, studies, and prior arts are all about the importance of NPK in soil and on how to monitor these components properly. With our proposed project, we will be able to help our agriculture sector to properly monitor, record, and archive the NPK content of the soil which is very vital for growing the plants and other agricultural products. The target of this project is to be able to design and develop a mobile application of recording and archiving of NPK soil content and with the information gathered from the above mentioned studies it will really help the researchers to aim their targets and objectives.
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