3.3. Nutritional tape
The soilless cultivation technology is an important part of the horticultural facilities and factory farming
[13]. It is advantageous for the mechanized production, seedlings are well uniformity and high strong
seedlings rate [14]. Matrix seedlings have obvious advantages in the seedlings quality, mechanical
maneuverability, controlling pests, increasing production and protecting ecological and environmental quality,
etc. [15]. Nutritional tape is a kind of soilless carpet matrix (Fig. 7.) [16], it can expand in the water to provide
enough space for the growth of seeds, and also is biodegradable. The degradation products can provide
nutrients for the seedlings. At the same time, the tape has good toughness, which is convenient to fold or
crimp.