The quality deteriorates rather than improves as a result of artificial fertilizers.

These uplands, locally known as the Piedmont, were separated from the tide-water tract by a flat and sandy region, the "pine barrens," a hundred miles or more in breadth, where the soil was generally too light for prosperous agriculture before the time when commercial fertilizers came into use.

Specialization in wheat production in the states just west of the Mississippi is possible only so long as wheat will grow on the virgin soil without costly fertilizers.

I also tried my hand at spraying seeds and later fertilizer, on the fields.

He made use of manure when possible, but the supply of this was limited and commercial fertilizers were unknown.

Now dey jes buther up God's ground en put ole stinky messy fertilizer on hit en de crops jes burn up.

Now dey jes buther up God's ground en put ole stinky messy fertilizer on hit en de crops jes burn up.

The change from Wto N, was like that from breezy, sunny green fields, where wild birds sang their free, joyous songs, and where wild flowers bloomed free as air exhaling their sweet perfumes, to the suffocating air of a hothouse where the birds drooped in cages and where the few flowers were forced into existence by steam heat and unsavory fertilizers.