Here is my case;
I have a field at my schema named elmo_field. I want that elmo_field should have payloaded values. i.e.
elmo_field
do
You could do a boost on a query as this question suggests: How to assign a weight to a term query in Lucene/Solr
Or you could try using payloads as described here: http://searchhub.org/2009/08/05/getting-started-with-payloads/