Index: conf/nutch-default.xml
===================================================================
--- conf/nutch-default.xml	(revision 1550034)
+++ conf/nutch-default.xml	(working copy)
@@ -1148,6 +1148,12 @@
   </description>
 </property>
 
+<property>
+  <name>solr.use.boost</name>
+  <value>true</value>
+  <description>Whether to use nutch document boost</description>
+</property>
+
 <!-- elasticsearch index properties -->
 
 <property>
Index: src/java/org/apache/nutch/indexer/solr/SolrConstants.java
===================================================================
--- src/java/org/apache/nutch/indexer/solr/SolrConstants.java	(revision 1550034)
+++ src/java/org/apache/nutch/indexer/solr/SolrConstants.java	(working copy)
@@ -23,6 +23,8 @@
 
   public static final String COMMIT_SIZE = SOLR_PREFIX + "commit.size";
   
+  public static final String USE_BOOST = SOLR_PREFIX + "use.boost";
+  
   public static final String COMMIT_INDEX = SOLR_PREFIX + "commit.index";
 
   public static final String MAPPING_FILE = SOLR_PREFIX + "mapping.file";
Index: src/java/org/apache/nutch/indexer/solr/SolrWriter.java
===================================================================
--- src/java/org/apache/nutch/indexer/solr/SolrWriter.java	(revision 1550034)
+++ src/java/org/apache/nutch/indexer/solr/SolrWriter.java	(working copy)
@@ -41,7 +41,8 @@
   private final List<SolrInputDocument> inputDocs =
     new ArrayList<SolrInputDocument>();
 
-  private int commitSize; 
+  private int commitSize;
+  private boolean useDocumentBoost = true;
   protected static long documentCount = 0;
 
   @Override
@@ -50,6 +51,7 @@
     Configuration conf = job.getConfiguration();
     solr = SolrUtils.getCommonsHttpSolrServer(conf);
     commitSize = conf.getInt(SolrConstants.COMMIT_SIZE, 1000);
+    useDocumentBoost = conf.getBoolean(SolrConstants.USE_BOOST, true);
     solrMapping = SolrMappingReader.getInstance(conf);
   }
 
@@ -71,7 +73,9 @@
         }
       }
     }
-    inputDoc.setDocumentBoost(doc.getScore());
+    if (useDocumentBoost) {
+      inputDoc.setDocumentBoost(doc.getScore());
+    }
     inputDocs.add(inputDoc);
     documentCount++;
     if (inputDocs.size() >= commitSize) {