soil degradation Tag

04 Jul

Posted at 05:07h in Soil & Fertilizers
Dr. Kirti Saurabh 22 views

 मृदा खराब होने की अवस्‍था को धीमा करने तथा पलटनेे की रणनीति‍यॉं:  एग्रोफोरेस्ट्री की भूमिका Soil degradation implies decline in the quality and capacity of soil through natural or anthropogenic perturbations. Degradation processes include erosion, compaction and hard setting, acidification, declining soil organic matter (SOM), soil fertility depletion, biological degradation, and soil pollution. Soils are the basis for more than 90% of worldwide food production. However, about 25% of the world’s arable land is degraded. Without fertile soils, world food security is at risk. Very limited degree of agriculturally usable soil (about 12% of the total land area) is available on the earth’s surface. The degraded soils cannot be restored within a human generation....

24 Sep

Posted at 09:12h in Soil & Fertilizers
Arbind Kumar Gupta 17 views

मृदा क्षरण और कृषि पर इसका असर Soil erosion is a major problem in Agriculture. Tonnes of soil are lost from fields every year. This is not only reduces crop production, but also the eroded soil acts as a pollutant to rivers, lakes and other water systems. Soil is the top layer of the earth’s surface that is capable of sustaining life. Therefore, soil is very important to farmers, who depend on soil to provide abundant, healthy crops each year. One major problem in agriculture is soil erosion. Soil erosion is the deterioration or detachment of soil particles from one place to another place by the action of different medium in a given...