| 摘要 |
<p>In a horticultural growing system including a container comprising an inacti ve growing medium, the container is shaped as a sealed bag or box of a material capable of containing the inactive medium together with water while remainin g dry on the outer surface, and allowing for absorption and subsequent drainin g of water. The inactive growing medium is in the form of a mixture of lava products and clay prod~ucts in proportioned mutual ratios, said mixture including one or more constituents selected from among pumice stone, Perlite , clay materials, light clinker and lava, but is can also contain zeolites and/or vermiculite and other constituents. The growing system provides environmental and economically advantages in that it can be used for up to five years without having to change the medium. In this time period, it is possible to produce 300 kg of tomatoes in one box.</p> |
