Land was an issue largely ignored, except by some indigenous peoples» groups who stressed the need to
maintain soil fertility.
This category includes some level of forest and agriculture residues left behind after harvest (some need to remain on the ground to
maintain soil fertility); timber processing wastes including sawdust and «black liquor;» and any unused manure, urban wood waste, municipal organic waste, and landfill methane.
Nitrogen inputs are inadequate to
maintain soil fertility and to feed people.
In the old days, farmers had to carefully replenish the nutrient levels of their fields and pastures with compost, crop rotation, and soil rest intervals to
maintain soil fertility.
The Organic Trade Association says organic cotton is also beneficial to the environment because the methods used replenish and
maintain soil fertility, reduce the use of toxic and persistent pesticides and fertilizers and build biologically diverse agriculture.
Since organic farms are mostly mixed farms, integrating animal husbandry with crop production, using vast and diverse rotations, intercrops and green cover crops, and
maintaining soil fertility by cultivating nitrogen fixing legumes, they display a higher diversity of domesticated species than conventional farms.
Invisible to the eye is a whole host of soil organisms
maintaining soil fertility and health whether or not an animal happens to deposit some manure on the surface or not.
By building raised beds which are NEVER walked on, heavily mulched and fed by top dressings of large amounts of organic matter, proponents of no - dig gardening say it protects vital soil life including worms, microbes and mychorrizal fungi which all play a part in
maintaining soil fertility.
Not exact matches
This technique called «Inga Alley Cropping» is able to
maintain fertility of
soil and good harvests on a regular basis.
Certified organic horticulture growers manage pests and weeds without synthetic chemicals, improve
soil fertility and
maintain and encourage biodiversity on the farm.
In both the developed and developing worlds, these farmers rapidly rebuilt the
fertility of their degraded
soil, which then allowed them to
maintain high yields using far less fertilizer and fewer pesticides.
Consider the role of nematode worms in
maintaining the health and
fertility of
soils.
«These organisms fulfill various functions, like allowing the
soil to absorb processed organic matter such as leaves, wood, trunks and branches and with this nourishing crops; they also
maintain an ecological balance capable of preventing the invasion of pests and provide greater
fertility without using chemicals.
If a product is labeled Organic on the front of the package and sold in the State of California which has extremely rigorous organic regulations... then generally, the products contain USDA certified organic ingredients from farms that use a system of farming that
maintains and replenishes
soil fertility without the use of toxic and persistent pesticides and fertilizers.
Pasture - based cattle operations also decrease
soil erosion and improve
soil fertility and water quality by
maintaining grasslands which protect
soils from water and wind erosion.
These and other techniques help
maintain and improve
soil fertility and enhance crop yields.
Trying to establish or
maintain a lawn without knowing your
soil's
fertility and pH requirements can potentially be a waste of money and even harmful to your lawn.