1.2 the purpose of the research.
1.2.1 to check soil pH value measurement
1.2.2 to find salty sour and the soil in each village.
1.3 expected benefits received.
1.3.1. know the value of measuring pH of soil.
1.3.2. know the sourness and salinity of the soil in each village.
1.3.3 is information on care and condition of the soil, there is an abundance.