Perlite is a volcanic glass that is often used in gardening due to its lightweight, porous nature that aids in healthy plant development. "It is made from a type of volcanic glass called obsidian," ...

The seeds of some types of plants need a little help to sprout. These are seeds that have an impermeable exterior shell that ...

Seed Technology, Vol. 33, No. 2 (2011), pp. 134-146 (13 pages) Fluctuating and extreme changes in temperature during seed germination may disrupt several physiological processes. Developing easy and ...

Advances in Horticultural Science, Vol. 29, No. 4 (2015), pp. 171-175 (5 pages) Seed germination is considered an important phenological stage of plant growth during which the viable, non-dormant ...