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," ...

These additives can do wonders for your soil, but you need to use the right one for the job. Every gardener wants nutrient-rich soil. But just because your yard doesn’t have enough nutrients naturally ...

This research work was performed in the poorest urban area of Cairo (Egypt) in a slum area called Al-Quarafa. The aim was to develop and evaluate a simplified hydroponics system (HS) to grow ...