... .3Land cultivation:Tomato,Tobacco,Ginseng,Pepper,Watermelon. Benefits 1The combination of watering and fertilization avoids pesticide poisoning ... improves growing environment of crops,but keeps groundwater and surroundings from pollution as well.4It protects ... .3Land cultivation:Tomato,Tobacco,Ginseng,Pepper,Watermelon. Benefits 1The combination of watering and fertilization avoids pesticide poisoning ...