How Made Soil Fertility Detection Tool From Simple Materials

Preface

Soil fertility is the key to success of a farm. However perfect a farming process but if not supported by the fertility of the land that surely will not bring maximum results. As an example of a case common to Indonesian farmers, farmers often provide excessive chemical fertilizers on their land but their production is not as expected. The problem in the above case is due to the low soil fertility so that no fertilizer will be absorbed by the plants.

To know the level of soil fertility is not easy, can not only be touched and estimated. However, soil fertility testing should be conducted in laboratories at a cost that is not cheap and not all farmers have access to test the soil fertility. Therefore information-culture provides a simple tool of soil fertility measure so that Indonesian farmers can easily detect the fertility of their soil each at a time. The tool is very simple because it is easy to use and easy to carry.

Soil analysis basically aims to provide data of physical and chemical properties and nutrient status in the soil. Soil analysis is used in addition to soil classification and soil evaluation, as well as for fertility research to provide fertilizer recommendations for improved soil fertility and improved agricultural yields. Soil analysis for land classification and evaluation requires more data on soil properties and characteristics than nutrient status data in the soil, whereas fertility research is more emphasized on nutrient status data.

Soil fertility level is one factor of capital that must be taken into account, in addition to other factors such as environmental conditions including climate, pests or diseases of pests. The more fertile soil will produce higher than the less fertile soil, if there are no obstacles from the environment

Result

The making of soil fertility detection equipment is based on the principle that fertile soil will contain many salt ions dissolved in ground water as well as the existence of beneficial bacteria in soil that can act as a conductor, soil containing many salt ions will easily enter into plant cells which is useful for the growth of the plant, based on the theory of electrolytes that the ions in the solution will conduct an electric current, so that areas of fertile soil often occur lightning strikes, based on this principle then the soil fertility detection tool is made.

The Simple Soil Fertility Tool

In the manufacture of this tool used 3 large batteries, each 1.5 volts, arranged in parallel that is calculated enough to light a small lamp 2.5 volt 3 A, this tool is small enough and practical can be used directly and in take it everywhere, the first step that must be prepared to make this soil fertility detection equipment is to prepare tools and materials, among others, stioform, cutter, scissors, cable, nails, wood, plywood and light bulb, lights connected to the battery with using a cable, at both ends of the cable in pairs of electrodes made of iron, the tool is in use two spikes separated with a distance of approximately 1 cm which serves as an electrode to dip in the soil sample solution.

Soil fertility tesst tool

In addition, a good soil will have a neutral pH, because at the pH the ions are easily absorbed by the plant. In the process of making a soil pH measurement solution the first thing to do is to extraction anthocyanin from the Butterfly Pea flower . The flower is selected because it is a wild plant that is often found in many fields and forest, besides the flower of the egg contains anthocyanin extract which can be used to measure acid and base of a solution. An anthocyanin extract was made using 2 grams of flower of the telang and 50 aquades or crushed tap water using mortar and pestle. Furthermore, the mixture is filtered to form an anthocyanin extract from the flower skin of Butterfly Pea flower.

Soil sampling

in this study we using 4 soil sample from my field, we add label, B, C, D and E.  , samples B and C were taken in the paddy field (clay / brown) while samples D and E were taken in the field (red soil), from the test results using the tool, we obtained that the soil B label show the lights are on, while in samples C, D and E do not show lights, this indicates that the soil labeled B is relatively more fertile when compared to the land labeled C, D and E.  The A label contain standard soil use, that is the soil containing a lot of dissolved salts and bacteria decomposers of organic fertilizer and EM4 digester, soil samples standard shows bright color lights when we test using this tool.

Result test

In this experiment we using Butterfly Pea flower extract as a pH measurement of the soil, as much as approximately 100 grams of land taken from the rice fields of the surrounding population, as many as 4 samples were tested using tools that have been made, 100 grams of soil dissolved in 100 ml of aquades and then stirred evenly, after stirring the electrodes in the dip. On the soil pH measurement, 4 ml of soil water at the input of the test tube was then added 4 ml of the flower extract solution of the telang, the result of the sampled soil samples showed picture below

pH test using Butterfly Pea flower

From the result of flower color analysis and compared to the pH color image (Figure above) in the soil samples showed that sample B showed pH 6 so that the soil was acidic, while in samples C, D, and E showed a pH value of approximately 8, indicates that the soil is alkaline, from the result that the soil sample B is recommended for the addition of lime or lime as the neutralizing the sample soil C, D and E is recommended to use phosphate fertilizer as neutralizing, due to the phosphate is acid as lime is a base.

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