2.5 area swamp soil or soil organic matter (organic soils)
soil is caused in the lowland low (lagoon) water and brackish water. He.
from the sea into the flood, I plant debris or organic compounds which decompose well
.The decay and are accumulated as the set, but 50 cm to 3 m
or thicker than a ground potential is extremely acid (potential. Acidity)
the unstable based. With the water level under the organic matter and soil
.The lack of nutrients necessary for plant growth. Quite severe
because the limit, who said this is a soil organic matter soil. The special development or improvement
quite difficult and high investment. When
.Compared with soil quality problem, the other
soil organic matter that is found in the southern area 5 together around a farm, but the most common
and conversion area. . to Narathiwat Province has an area of approximately 4 hundred acres
.Use less to use in rice cultivation area on the edge, edge swamp only
mainly in the province of other southern and Eastern found some a small area.
and scattered in the coastal areas 2
.Soil 6 abandoned mining (Tin - mined tailing lands) even find
as space much compared with soil with a special problem. The
. Mostly found in the south, especially in Phang Nga Province, Phuket and
.Ranong, space together around 159 000 Rai, also found in the eastern and Northern
with mining. But also not
the survey area, there was much. But, however, the soil
.Mining abandoned land, a quality problem to use agricultural
greatly, modify or development area and soil loss.
quality down greatly. The area is a rough plain high, low soil texture is
.Stone, sand and gravel mixed with very, and are often separated into parts of the soil texture coarse gravel mixed
part one and soil texture detail to include
live. In the lowest (slime area) the minerals food plants are washed away!During the process of mining. So abundance
of abandoned mining soil is low, soil improvement abandoned mining
must consider both the level of the area. Properties of both physical and chemical
.The type selection of plants to appropriately
3.? The problem of soil erosion (soil erosion) which made the soil deterioration
shabby, it is an important issue as one in the country and there needs to be a
.Prevent and resolve to maintain the quality of the soil properly and use
in long time. The erosion of soil in occurs. In 2
style big is the erosion occurring naturally (egologic
.Erosion) due to Thailand is located the equator and the quantity of much rain
soils that cant ถูกน้ำ rain erosion washed away to lower. When the rain runoff on the surface (
run off) when raining and after rain occurs naturally
.Will occur at a mountain slope of high area and with the forest cover
not crowded. If the smooth to the quite smooth. Wood covered up a thick
.Tight, erosion, now don't usually happen or happen very little. But how
. The erosion pattern occurs. Will naturally less depending on factors
.Many, such as the type or nature of the soil, the slope of the area density
of vegetation, covered up and rainfall, the deal for the erosion
.Another characteristic that arise from the actions of the human catalyst
cause or more (accelerated erosion or manmade. Erosion)
the erosion in this manner that happen a lot, and severe in
.Especially the area don with slope set, but 5 percent or above. Using
in cultivation without soil conservation and Water right and a
.More violence in the area on the mountainous area open forest farm, or
area where do shifting agriculture
problems of soil erosion In a severe problem
.The soil resources and land degradation and physical and chemical properties, but also cause the deterioration, the condition. Natural environment
.For example, causing drought condition of soil, rivers, canals and natural
water developed shallow. Due to sediment leached down precipitation
.In the water, said the life of water resources short, sometimes sediment
leached into the low plains may pile up the agricultural areas. And plants, plant damage
must be invested to improve a
.
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