Soil pH is very important to crop growth. Most of crops can hardly survive when soil pH is too high or too low. The appropriate pH is critical to the quality of crops.
The best soil pH for main crops:
Crop
|
pH
|
Crop
|
pH
|
Crop
|
pH
|
rice
|
6.0~7.0
|
peanut
|
5.0~6.0
|
Chestnut
|
5.0~6.0
|
wheat
|
6.0~7.0
|
tobacco
|
5.0~6.0
|
watermelon
|
6.0~7.0
|
corn
|
6.0~7.0
|
tea
|
5.0~5.5
|
cabbage
|
6.0~7.0
|
soybean
|
6.0~7.0
|
potato
|
4.8~5.4
|
tomato
|
6.0~7.0
|
sugarcane
|
6.0~8.0
|
orange
|
5.0~7.0
|
pumpkin
|
6.0~8.0
|
sweet potato
|
6.0~6.0
|
litchi
|
6.0~7.0
|
Cucumber
|
6.0~8.0
|
Origin: China
Website: http://www.channeleco.com/en/Item/Show.asp?m=1&d=1223