THIS MAY BE USEFUL
Plant pH Preferences
Vegetables
Beans 6.0-7.5 Lettuce 6.0-7.0
Beetroot 6.0-7.5 Marrow 6.0-7.5
Broccoli 6.0-7.5 Onions 6.0-7.0
Sprouts 6.0-7.5 Parsnips 6.0-7.5
Calabrese 6.0-7.5 Peas 6.0-7.5
Carrots 5.5-7.0 Peppers 5.5-7.0
Cauliflower 5.5-7.5 Potato 4.5-6.0
Celery 6.0-7.0 Radish 6.0-7.0
Cucumber 5.5-7.5 Swede 5.5-7.0
Leeks 6.0-8.0 Tomato 6.5-7.5
…………………………………………………………
Fruit
Blackberry 5.0-6.0 Lemon 6.0-7.0
Cherry 6.0-7.5 Melon 5.5-6.5
Currant Black 6.0-8.0 Peach 6.0-7.0
Red 5.5-7.0 Raspberry 5.0-6.5
Gooseberry 5.0-6.5 Rhubarb 5.5-7.0
Grapevine 6.0-7.0 Strawberry 5.0-7.5
Check readings against above preferences. Provided the readings fall within the range shown for the plant then no further action is required.To make your soil less acid apply 300g/m2 of ground limestone for every1pH required
A reading from 4 to 7 the soil is acid from 7 to 8 is alkaline.
Views: 21
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Comment by Stephen Shirley on September 30, 2012 at 19:38 -
Useful - but be careful as pH requirements aren't set in stone - as I have said before on this site, horticulture is a science but not an exact one!
'Ideal' is also greatly affected by soil nutrient - particularly trace element.And remember best for the plant does not always mean best for flavour.
Picking out just a couple for example I would point out that Citrus prefer a more acidic growing condition than the just under neutral as above. Conversely the arguably best wines of the world are grown on very limy soils, or soils over chalk beds.
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