KERALA PSC / INDIAN GEOGRAPHY / SOIL EROSION AND CONSERVATION / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE

 

KERALA PSC / INDIAN GEOGRAPHY / SOIL EROSION AND CONSERVATION / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE

KERALA PSC / INDIAN GEOGRAPHY / SOIL EROSION AND CONSERVATION / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE

·      Soil erosion means removal of the top layers of the soil.

·      The main reason of soil erosion are deforestation, over-grazing. Irrational cultivation, floods and winds.

·      Soil erosion by water, wind and tillage affects both agriculture and the natural environment.

·      Soil erosion is just one form of soil degradation. Other kinds of soil degradation include salinization, nutrient loss, and compaction.

·      Soil conservation is a set of management strategies for prevention of soil being eroded from the earth’s surface.

·      The most common methods of soil conservation include afforestation, contour cultivation, keeping land covered by crops and other plants, mulching, construction of embankments and flood channels and scientific methods of cultivation keeping in view landform characteristics.

·      Cultivation on the steep slopes and excessive grazing should also be avoided.

KERALA PSC / INDIAN GEOGRAPHY / SOIL EROSION AND CONSERVATION / NOTES / OBJECTIVE QUESTIONS / STUDY MATERIALS / GENERAL KNOWLEDGE