2. CLASSIFICATIONOn map 1:1000000 gray Earth do Division five kindsSilver grey soil color (X) Haplic AcrisolsThe ground floor has a patchy gray (XL) Plinthic Acrisols The grey soil glay (Xg) Glayic AcrisolsThe grey soil feralit (Xf) Ferralic AcrisolsThe grey soil humus on the mountain (Xh) Humic AcrisolsA. Ground grey colorSilver grey coloured land is mainly developed on the ancient, stone, sand stone acid magma.Many distributions in terrains with breathable, comfortable, convenient, easy drainage for farming, mainly concentrated in the Southeast, Central Highlands, Central.The land has a light motorized components.pH 3.0-4.5 popularity, so has the response of soil acidity moderate to very poor, acidic cation exchange, humus content of the floor surface from poor to very poor (0.5-1.5%), like to resolve strong organic compounds (c/N < 10), the total number of substances and easy target poor, no base low (< 50%).In summary, the ground colour is silver-gray soils are nutrient-poor acidic, often dry and strong erosion. Suitable for growing the crops on land such as sweet potato, cassava, beans, vegetables, rice, rubber, cashew,,,,,
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