1.   The young men talk with Hernan about organic pesticides and the need for a computer with Internet access.

2.   There is also a scientific laboratory, where in a series of temperature-controlled rooms technicians are growing organic pesticides to fight potato fly.

3.   Officials in upstate communities have begun looking at organic pesticide options.

4.   Unlike artificial pesticides, organic pesticides like Bt do not have adverse environmental effects, scientists say.

a. + pesticide >>共 161
chemical 8.05%
toxic 6.61%
natural 4.60%
dangerous 3.74%
agricultural 3.45%
spraying 2.87%
used 2.30%
organophosphate 2.30%
synthetic 2.01%
new 2.01%
organic 1.15%
organic + n. >>共 419
matter 9.06%
food 7.79%
material 5.34%
farming 4.80%
compound 4.66%
farmer 4.21%
produce 2.72%
molecule 2.72%
farm 2.36%
chemical 1.72%
pesticide 0.18%
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