Changes to Soil pH. If vinegar concentrates are added to the soil instead of being sprayed onto plant foliage, they kill weeds by lowering the soil pH to a level that cannot sustain the plants. Depending on the soil type and the weather, this acidifying effect can take from a few months to a year.
Engagement rate is the percentage of people who saw a post that liked, shared, clicked or commented on it. To see the engagement rate for your posts: 1  At the top of your Page, click Insights. 2  Click Posts. 3  Scroll down to All Posts Published.
Columnist. Facebook Inc. has doubled in just a few short months, sparked by better-than-expected second-quarter earnings in July, and is up over 170% in the last year. And while itâs unfashionable to badmouth this social-media stock as it approaches its next earnings report, count me among the Facebook FB, +0.84% bears.