The grammar of your suggested sentence is pretty much fine except that you have referred to "content" as if it is plural by using the word "these." Also the overuse of "such" reveals that you are not a native speaker, even though it probably isn't grammatically wrong. A close rewrite would be
If you like our content and appreciate our efforts, please press the G+ button and recommend us. This would encourage us to come up with more of this type of content.
Probably better to write the last sentence more directly, though.
If you like our content and appreciate our efforts, please press the G+ button and recommend us. This encourages us to create more of this type of content.
The use of "encourage" here is just a little odd, though it's perfectly correct. Usually encouragement is something a little more verbal than clicking a button. At the moment I'm not thinking of a better verb, though.