Once in Port-au-Prince, many find surviving from day to day as difficult as raising a crop in the depleted soil.
12.
Fertilizers deplete soil of organic matter and trace elements, cause salination and suppress mycorrhizae; they can also turn symbiotic bacteria into competitors.
13.
Economic growth began to falter by the end of the 13th century, owing to a combination of over-population, land shortages and depleted soils.
14.
An extended dry spell depletes soil moisture to a very great depth, disrupting the capillary action that brings moisture up from the subsoil.
15.
Drought can be defined as the absence of rainfall or irrigation for a period of time sufficient to deplete soil moisture and injure plants.
16.
Cool, wet weather in the Plains states is seen as benefiting the winter wheat crop, with rain restoring some of the depleted soil moisture.
17.
And rainfall has been inconsistent in the last few months, depleting soil moisture in a swath of states throughout the South and Midwest, officials said.
18.
The condition of corn and soybean fields declined last week as extreme heat depleted soil moisture, according to the U . S . Department of Agriculture.
19.
Greedy overplanting of cotton, the failure to rotate crops and other disastrous farming techniques depleted soils throughout the Southeast during the late 19th and early 20th centuries.
20.
You can fill up on spinach, turnips, shallots and yams and still have a weak immune system, because generations of farming have depleted soil nutrients, she said.