Sodic soils can be made more productive by adding:

The highest category of soil classification system is

Resource Conservation Technologies include: A) Zero or Minimum Tillage B) Direct Seeding C) Bed planting with residue mulch

The most widely used vegetation index is

For restoration of highly degraded areas, plantation of which is recommended?

The equation to estimate soil loss by wind erosion is  $$E = IRKFCWDB$$​, in which K stands for