Chapter 3How to do research. Sour, salty clay soil studies Researchers have conducted the following research.Academic studies each point.Select a random one of the villages, the village of each district in the district, which has shed all the Lotus 6, but we chose to just 5, is.When Random House or village we will choose to collect samples of soil in that particular village, then go to the village's soil sampling, soil samples are collected from NA. Bring your soil pH value measurement and find sour soil salinity in each village.3.1 population. Most of the population are farmers, each one of the areas the way researchers have collected the soil pH value of the soil analyzed, called soil sour salt.3.2 sampling and sample groups. Sampling and the sampling, this time we chose a random village of each district one village selected randomly by this village are random numbers and the list of names from the agricultural district that includes basic costs we have random all village village from 5, as follows: 3.3 data collection. The storage characteristics from an agricultural based village and training to go into space to collect data is to collect samples of soil, according to the villages that have been defined and clay continue to analyze them.3.4 data analysis. Analysis of data from trials of soil collected from different areas come to investigate, with copies of the soil and keep the costs until you have enough information, it will be taken to find detailed information and collect data until you have fixed.3.5 research period. November 21 to January 8 2558 2559Materials and equipmentMaterials and equipment to collect soil.1. plug the2. canister plastic3. plastic bags.4. large sheets.5. sift the sieve.Materials and equipment to make the soil.1 plastic compartment tray.2. steel sheet3. spoon, scoop the powder4. spoon loader5. the monomer 106. standard color plate.How to do research. Preparation of research.The soil samples.1. principles. 1.1 the soil samples must be properly representative of the soil in the area. 1.2 each soil sample storage should not exceed 50 acres and clay looks so similar, if much larger areas or uneven soil. There are different styles, such as planting different crops, using a different fertilizer. There is a different color, etc., must be divided into separate subsidiaries, and conversion of soil samples. 1.3 times the store will keep the soil at any time, but if the seasonal crops it is advisable to retain 1-2 months prior to planting and should collect samples analysed in 2-3 years at a time. 1.4 if I need advice should fill in the registration form, the various analyses, the most. 1.5 equipment to collect samples of soil, such as a shovel or trowel or shovel, plastic bags, cans, plastic, fabric, plastic, approx. 1x1 m size everything must be clean. 2. method of sampling 2.1-space (space or soil are different). When it breaks, and then give each number or make a map showing the divided. 2.2 sampling the soil. 1.) if it is a farm area or an area not yet planted plants, soil sampling, walk across the conversion. Convert each approximately 15 points. 2.) if it is a garden fruit trees to keep the soil inside the canopy each point. Approximately 15 in each conversion. To keep the soil in each point, use a shovel digging a deep wedge-shaped, about 15 cm after the soil, using soil side-hole SAE shovel (flat), have a thickness of approx. 2-3 cm until the butt hole. Soil collected in plastic bags or buckets 2.3 each soil mix convert collected together and pour them onto a plastic cloth. Make mash again by lifting the plastic corner, one at 2 opposite corners. Do switch the 3-4 times. After that, the mounds are hand-fachi elite spanking, then using a flat. Afterward, using fingers to scratch is criss (+) on the top of the stack, which will cause the soil to be segregated into four sections. Collect samples from mounds of this part 1, has a heavy about half a kilogram, or if the soil has been contaminated may be a gravel lot 1-2 kg soil put into plastic bags for analysis.
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