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Soil pH – An Important Factor In Crop Production
What is PH ?
Soil pH is a measure of the acidity or alkalinity of soil, which is determined by the concentration of hydrogen ions (H+) in the soil. The pH scale ranges from 0 to 14, with pH 7 being neutral. A pH value less than 7 indicates acidic soil, while a pH value greater than 7 indicates alkaline or basic soil
Importance of soil pH:
Soil pH influences the availability of nutrients to plants and maintaining the optimal pH range for a given crop.
Adjusting soil pH to the optimal range can improve fertilizer use efficiency by ensuring that nutrients are available in a form that plants can use.
Important points :-If soil ph is not sufficient or perfect according to the cultivated crops and vegetables then the crops and vegetables may suffer from many disease attacks and plant will not be well developed.
How to measure soil pH?
Soil pH can be measured using pH meter or by sending the soil samples to a soil testing laboratory for analysis.
Ph of some cultivated crops and vegetables as follow :-
CropSoil pH
Rice 5.5 – 7.0
Peas 6.0 – 7.5
Wheat 6.0 – 7.0O
kra 6.0 – 6.8
Maize 6.0 – 7.5
Brinjal 6.0 – 6.8
Sugarcane 5.5 – 8.0
Cucumber 6.5 – 7.5
Cotton 5.0 – 7.5
Watermelon 6.5 – 7.5
Groundnut 6.0 – 6.5
Mango 5.5 – 7.5
Soybean 6.5 – 7.5
Banana 5.5 – 7.5
Mustard 6.5 – 7.5
Pineapple 5.0 – 6.0
Potato 4.8 – 5.4
Guava 4.5 – 8.2
Tomato 6.5 – 7.5
Citrus(Orange/Lemon) 5.5 – 7.5
Onion 5.5 – 6.5
Grape 6.5 – 7.5
Carrot 6.0 – 7.0
Cauliflower 5.5 – 6.5
Cabbage 5.5 – 6.5
Chilli 6.5 – 7.5
Papaya 6.5 – 7.0
Barley 7.0 – 8.0
Barley 7.0 – 8.0
Garlic 6.0 – 7.0
Beans 5.5 – 6.0
Radish 5.5 – 7.0
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Modern farming