In <nis:link nis:type=tag nis:id=NaturalFarming nis:value=NaturalFarming nis:enabled=true nis:link/>, which plant is often used as a natural pesticide? <nis:link nis:type=tag nis:id=AgriGoI nis:value=AgriGoI nis:enabled=true nis:link/> <nis:link nis:type=tag nis:id=AgriQuiz nis:value=AgriQuiz nis:enabled=true nis:link/> <nis:link nis:type=tag nis:id=Quiz nis:value=Quiz nis:enabled=true nis:link/> <nis:link nis:type=tag nis:id=Agriculture nis:value=Agriculture nis:enabled=true nis:link/>