Then, on one hand, fertilized topsoil was rescued; on the other hand, stripped soil guarantees enough filling material to reclaim farmland.
Conventional agriculture can quickly and easily strip soil of its nutrients, which causes a need for fertilizer inputs (on top of the inevitable pesticide inputs).
As in the rest of the shield, glaciers have stripped soils away, strewn the surface with boulders and other debris, and obliterated preglacial drainage systems.
The latter was inferred from the presence of bare soil stripped of herbaceous cover.
Methyl bromide is a broad spectrum pesticide with a long history of use as a fumigant in farming (stripping the soil of pathogens) and for disinfecting furniture, wood, barges, warehouses, buildings and cargo ships [ 1- 3, 5].
Two series of displacement experiments with isoproturon and metribuzin herbicides were performed on two undisturbed grassed filter strip soil cores, under unsaturated steady-state flow conditions.
Tables of soil volumes that will be salvaged, material excavated and backfilled, and hectares of areas stripped of soil and graded with soil replaced and seeded are presented for each of the first 5 years, and in 5-year blocks thereafter, until the end of mining.
In the case of the Philippines, the storm surges probably increased the salinity of the land and stripped top soil.
