Search Results       Your search for [subject]Lettuce -- Growth returned 1 record.           Influence of plant population density and nutrient source on the productivity of crisphead lettuce in closed-recirculating hydroponic system. by Moriles, Janet Cardiente.; 2006. Subject: Plant population; Lettuce -- Vegetative propagation; Lettuce -- Growth; Organic farming.          Add to Book Cart Relevance: 20.44%