The oxygen content of flowing nutrient solutions used for cucumber and tomato culture

amendement du sol crops cucumis cucumis sativus cucurbit vegetables cucurbitaceae cucurbitales cultivos dicotiledoneas dicotyledons economic plants elements enmiendas del suelo fruit vegetables gases gaz growing media hortalizas (plantas) hortalizas cucurbitaceas hortalizas de fruto medio de cultivo no metales nonmetals physical states plantas plante plante de culture plants soil amendments substrat de culture tomate tomatoes vegetable crops