If it's above 7.0, then it's considered alkaline and will need acidifying ingredients added. Lime is a popular option, but there are other ways you can make your soil more acidic, such as using ...

The pH scale is a measure of how acidic or alkaline something is, 1 being highly acidic, 14 being highly alkaline, and 7 ...

BELLINGHAM, Wash. — Eighteen years ago, farmed oyster larvae began disappearing in mass die-offs, mystifying hatchery ...