and it’s essential to keep the two layers of soil (subsoil and topsoil) separate. In order to do this, the lower half of the trench can be dug over in situ. Remove the soil from the upper and ...

Plants are able to modify their root hydraulics to maintain water status and strategically use soil water, according to a new ...

A letter (Feb. 6) from the Federal Regulatory Commission (FERC) to the Sabal Trail Pipeline Project describes “topsoil and subsoil mixing” on Dowdy’s farming operation, yet significantly ...

setting the soil aside, then loosening the subsoil another spade's depth. Finally, the topsoil is returned with added amendments, such as compost, manure or fertilizers. This labor-intensive soil ...

The Journal of Education, Vol. 69, No. 24 (1734) (JUNE 17, 1909), p. 663, 667 (2 pages) This item is openly available as part of an Open JSTOR Collection. For terms ...