JURNAL FOTOSINTESIS HYDRILLA PDF

This process can only be dilakukkan by plants that have chlorophyll. Chlorophyll is a plant pigment found in chloroplasts. In order to take the process of photosynthesis takes energy from light. Chlorophyll function in the absorption of light. In addition, the process of photosynthesis also requires other ingredients are CO2 and H2O water.

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The Author ensures that the research has been conducted responsibly and ethically with adherence to all relevant regulations. DOI: Indoor planting or better known as indoor farming has become more widely used method as it is able to provide higher yields throughout the year. Currently most of the developed country the shortage of land for agriculture and the time is a major factor effecting agriculture sector, it is a global trend.

In this technique, one of the most important things is the use of artificial light sources to replace the sun at indoor environment. Although there is still no such light that capable of replacing the sun completely, but sometimes the artificial light provides better results. The use of artificial light in plant cultivation was first began in by a Russian botanist Andrei Famintsyn. The use of artificial light changes according to current technology from time to time.

The results of previous studies showed similar outcome that were relied on the capabilities of existing equipment at that time. The height or growth of the salad plant was taken for 6 weeks period. At the end of the study, the height of the salad plant in the red LED lamp is as high as From the studies it shows different color lights create an impact on the height growth of a plant or vegetable. This study is useful for researchers that focus on indoor farming using artificial light as a source of sunlight.

In this case, photosynthesis carbon assimilation process occurs only with the inclusion of light on the rate of photosynthesis that influenced by many external factors, but most importantly - is the similar light intensity. Light may be the most important condition for the growth of normal plant with proper lighting. Unlike incandescent lamps, fluorescent lamps are almost giving off less heat, so it would not affect room temperature, thus it is more suitable to illuminate the plants.

They have high luminous efficacy even though over time it tends to decline, but still they are relatively cheap and low energy consumption [1]. Generally, the wide use of fluorescent fittings has been a popular option for all types of building premises whether residential, office, shopping malls and so on.

Among other things, the fluorescent lamps are very popular because it produces white bright light without causing glare, cheap, easy to get at any home and electrical stores Abdul Aziz, The LED light produces the lowest heat thus it reduces the release of carbon dioxide into environment.

Its usage can reduce the rate of global warming by 50 percent over time. The light or LED light diode is a semiconductor diode that produces a non-coherent narrow-spectral light when electrically charged voltage is passed through the p-n junction. The principle is known as electroluminezation. LEDs are produced in various types of light colors, depending on the type of semiconductor used Abdul Khalid Mydin Various types of lamps with different types of light have been produced by industry and they have been applied in indoor plants but have not been known to be suitable for the use in plant growth.

This study is focused on introducing a light source other than source from the sunlight and creating artificial light in indoor space by distinguishing between fluorescent lamps with LED light LED light emitting diode towards vegetable salad growth that consists of white color for fluorescent lamps while red, blue and green colors for LED lamps.

Thus, this study was conducted in an enclosed room without any access to light. Light color possesses a role in photosynthesis as chlorophyll will use specific light colors i.

The community has no land and space for cultivation in a farm due to the limited area available for cultivation purposes.

Hence, this innovation would enable people to implement home cultivation without the need to engage with farm cultivation. To identify the influence of different light shades and plant growth performance according to different light sources towards plant growth.

To provide an innovative indoor plant design that allows people to grow plants without sunlight. The innovative study is focused on learning how the growth of indoor salad can be affected by artificial light sources such as fluorescent lamps and LED lamps. The differences of crop conditions with different sources of light on the growth of salad vegetables Latuva Sativa.

In addition, the implementation of the study can provide an overview of project trips that is undertaken before the next stage. This study will be conducted at Polytechnic Sandakan Sabah as it is an ideal location for this project. The study was conducted in a closed and confined room so that the different sources of light would not penetrate one to another to avoid lights mixing issue except for fluorescent lamps and LED lamps red, blue and green in order to facilitate data analysis on salad vegetable growth [7].

The shelves and walls are assembled to cover all parts so that light would not be able to penetrate it from outside of the room. Aluminium is used as a barrier or wall on each shelf so that the light is blocked completely. There are different types of lamps installed such as fluorescent lamps and LED lamps red, blue, and yellow. Each LED lamp uses 18 watts while fluorescent lamp is 36 watts. In addition, the distance between the light source and the plant is 60cm.

The fluorescent lamps and LED lamps work automatically for 18 hours and 1 lamp is put on each shelf. Transplanting cultivation technique is chosen as a planting method for the suitable peat moss medium which is filled in the pots. This technique is used to obtain different data analysis from the beginning until the end of planting.

This study uses peat moss as cultivation media. This type of medium can store water and would not dry easily. Thus, it would be able to moisten the soil for the benefit of the plants. Figure 1 is the flowchart that refers to implementation of the study while Figure 2 is the diagram that refers to the structure of the study [8,9].

From the findings of the study, it was found that the plants that were grown with the light sources from fluorescent and LED lamps were able to grow and flourish excellently.

After fertilization, the growth of salad was immense. In a week, the salad growth was increased by 1. Meanwhile, through the observation that was conducted on the sixth week, the growth rate of the plant that was illuminated in red coloured LED lamps was better than other lamps.

Table 1 and Figure 3 illustrate the height of salad growth for a period of six weeks according to different types of light sources. Figure 3: Height of salad growth according to the different types of light sources.

Further analysis was carried out using the velocity of light, wave length and frequency formula to justify the findings. From this point of view, by analysing the data, it shown lower frequency radiation contribute to the more growth of a vegetable. In another word lower frequency radiation, longer the growth of a vegetables and if higher frequency radiation, shorter the growth of a vegetables.

This study can be beneficial to people and society based from the amazing results and it has many potentials for further research in the future. First of all, this study could help people who could not find the right time and place for farming activities, especially vegetables planting that require sunlight to grow.

Furthermore, this study is one of the alternatives for community to carry out planting activities at home or workplace because the materials and equipment used are readily available in the market nowadays. Additionally, the project can also be commercially marketed for the use in agricultural industries or agricultural-related activities that do not have large area for cultivation. Overall, the objective of the study is met which is producing salad planting techniques by using LED lamps and fluorescent lamps as light sources without the use of sunlight.

We would like to thank personally Agro technology Department of Polytechnic Sandakan Sabah for giving us an opportunity to conduct this study. This is an open access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and build upon your work non-commercially.

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biologi fotosintesis

Skip to search form Skip to main content You are currently offline. Some features of the site may not work correctly. Corpus ID: jangkau oleh teknologi pengolahan limbah. Selain biaya yang mahal dan penerapan yang sulit, masih kuatnya pemikiran dan anggapan sebagian besar masyarakat bahwa pembuangan limbah rumah tangga secara langsung ke lingkungan tidak akan menimbulkan dampak yang serius. The purpose of this research is to determine the effectiveness of each phytoremediation agents, namely water hyacinth Eichhornia crassipes , Hydrilla Hydrilla verticillata and Umbrella Grass Cyperus alternifolius in domestic wastewater remediate greywater manifold.

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