




[2] Production of seedlings:
Coarse expanded perlite is used in the processes of producing seedlings & recycling by mixing wet perlite
with peat moss at different rates from 1:1 to 1:4
perlite peat moss.
Perlite provides enough water, fertilizers and humidity to the plant and provides aeration for roots as it balances water and air to prevent rottenness or suffocation of roots.


Horticulture expanded perlite is used in cultivation in glass-houses as it is put in cases (pillows) 120 centimeters length and 25 centimeters width contain 30-50 liters of expanded perlite in which cultivation is done directly.

●●● Advantages of using expanded perlite in Glass-Houses cultivation:-
1] The root being void of diseases & insects that destroy % 40 of these crops distinguishes this method of cultivation.
2] Helps on fast growth of plants compared to the traditional methods.
3] Increases productivity in one crop rotation.
4] Economize in using water & fertilizers
5] Cancel the costs of plowing, sterilization and preparing land in each crop
rotation in the glass-houses.
6] Helps in increasing the cultivated space inside the glass-house through using it in what is called vertical system cultivation as it is light weighted.
●●● Method of cultivation in Glass-Houses:-
1- Put cases (pillows) in lines in glass-houses.
2- Open 3-4 holes in each case and cultivates seedlings (tomato, cucumber, pepper, strawberry...)
3- Irrigates and fertilizes seedlings through traditional methods that are used in the glass-houses with observing to add the nutritional elements necessary for growing.
*** Horticulture expanded perlite is used also in Glass-houses by mixing it with soil in longitudinal lines to improve its characteristics, it is mixed with soil and peat moss size 2:2:1