Plant spinach in pine forest soil.
The soil sample in water is stirred for a few minutes. Then a pH electrode is put into the mixture.
The pH of our pine forest soil is about 5.
|
Plant spinach in pine forest soil. |
|
|
The soil sample in water is stirred for a few minutes. Then a pH electrode is put into the mixture.
|
|
|
The pH of our pine forest soil is about 5.
|
|
The optimum pH for spinach is about 7 to 8. The measured soil pH is about 5.
What should be added to the soil?
