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I would like to ask a question about African agriculture and depleted soils.
These plants provide natural fertilizer for what was once depleted soil.
Depleted soils could possibly be returned to their juvenile conditions.
Farm yields soared once nitrogen got back into the depleted soils.
Old bushes may be growing in depleted soil, which is another reason for poor growth and sparse blooms.
By helping to restore depleted soils, they boost crop productivity.
Our depleted soils have been strip-mined for 100+ years.
GM crops that are suited to grow in depleted soils, etc.
Are depleted soils causing a reduction in mineral content of food crops?
He was recognized for his decades of work to improve agricultural yields from depleted soil while protecting the environment.
If we will have to intensify agriculture, we must find a way of restoring these depleted soils.
There's all these foreign weeds, invader species, depleted soils, and the climate's crazy.
As extensive farming was used, the areas with depleted soil were abandoned for new land, often obtained through deforestation.
Lyle says he was frustrated with the bare soils and depleted soil organic matter on his farm.
Minerals need to be replenished in depleted soil.
The market for tobacco was depressed, but Virginia planters also had to deal with depleted soils because of the crop.
A depleted soil will produce fewer or smaller plants, and if completely depleted, none at all.
Returning nutrient-rich humus to the earth restores depleted soil conditions.
Again, this is a potential problem for 2001/2002 if little precipitation occurs to recharge depleted soil moisture in these locations.
Farmers follow, creating depleted soil and disrupted habitats.
Millions of rural blacks are crowded onto "communal areas" of stony depleted soil.
African farmers face three main problems: depleted soil, a scarcity of water and distorted economics caused in large part by primitive transportation systems.
Researchers say that for centuries farmers have depleted soils by constant plowing, typically to kill weeds.
Drought A drought is an extended period of below average precipitation and depleted soil water storage.
Potato farming was the biggest agricultural use of land until the 1870s, when depleted soil and declining prices caused a turn to dairying.