irrigation, field, canals, plantation, agricultural, onion, harvest, rows, olericulture, vegetables, watering, water, leek, resources, farmland, farm, flows, system, pollution, control, management, growing, farming, young, through, european, plants, food, agriculture, agribusiness, agronomy, rural, countryside, land, planting, agroindustry, industry, agro, industrial, organic, green, grow, plant, mounds, process, conservation, reduction, cultivation, caring, sky