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.
Caveats: 1  Not all API calls are subject to rate limits so the number of calls you make may not match what you see in the rate limit tool. 2  Facebook also throttles calls based on CPU time used and total time.  The Ads Insights API and the Marketing API may use a different set of rate limits.