 |
 |
 |
 |
Preparation of soil/biochar mixture |
Preparation of flower beds |
Worker of science :-D |
Prepared flower beds |
 |
 |
 |
 |
Garden bed with control soil |
Garden with biochar from sewage sludge |
Garden with biochar from chaffs and brans |
Garden with biochar from wooden pallets |
 |
 |
 |
 |
Soil |
Biochar from sewage sludge |
Biochar from chaffs and brans |
Biochar from wooden pallets |
|
|
|
|
Root test in rhizoboxes (tomato
plants) |
 |
 |
 |
 |
Control soil (1 plant left) |
Biochar from rice husks (2 plants) |
Biochar from biogas Lukavice (2 plants) |
Biochar from beech tree (1 plant right) |