diff --git a/ckanext/harvest/controllers/view.py b/ckanext/harvest/controllers/view.py
index b146c88..2589159 100644
--- a/ckanext/harvest/controllers/view.py
+++ b/ckanext/harvest/controllers/view.py
@@ -42,7 +42,7 @@ class ViewController(BaseController):
         errors = errors or {}
         error_summary = error_summary or {}
         vars = {'data': data, 'errors': errors, 'error_summary': error_summary, 'harvesters': get_registered_harvesters_info()}
-        
+
         c.form = render('source/new_source_form.html', extra_vars=vars)
         return render('source/new.html')
 
@@ -80,9 +80,9 @@ class ViewController(BaseController):
         data = data or old_data
         errors = errors or {}
         error_summary = error_summary or {}
-        #TODO: Use new description interface to build the types select and descriptions
+
         vars = {'data': data, 'errors': errors, 'error_summary': error_summary, 'harvesters': get_registered_harvesters_info()}
-        
+
         c.form = render('source/new_source_form.html', extra_vars=vars)
         return render('source/edit.html')
 
diff --git a/ckanext/harvest/lib/__init__.py b/ckanext/harvest/lib/__init__.py
index 364c64d..78a1926 100644
--- a/ckanext/harvest/lib/__init__.py
+++ b/ckanext/harvest/lib/__init__.py
@@ -194,6 +194,9 @@ def create_harvest_source(data_dict):
         if o in data and data[o] is not None:
             source.__setattr__(o,data[o])
 
+    if 'active' in data_dict:
+        source.active = data['active']
+
     source.save()
 
     return _source_as_dict(source)
@@ -213,14 +216,25 @@ def edit_harvest_source(source_id,data_dict):
         Session.rollback()
         raise ValidationError(errors,_error_summary(errors))
 
-    fields = ['url','type','active','description','user_id','publisher_id']
+    fields = ['url','type','description','user_id','publisher_id']
     for f in fields:
-        if f in data_dict and data_dict[f] is not None and data_dict[f] != '':
-            source.__setattr__(f,data_dict[f])
+        if f in data and data[f] is not None and data[f] != '':
+            source.__setattr__(f,data[f])
 
-    source.config = data_dict['config']
+    if 'active' in data_dict:
+        source.active = data['active']
+
+    if 'config' in data_dict:
+        source.config = data['config']
 
     source.save()
+    # Abort any pending jobs
+    if not source.active:
+        jobs = HarvestJob.filter(source=source,status=u'New')
+        if jobs:
+            for job in jobs:
+                job.status = u'Aborted'
+                job.save()
 
     return _source_as_dict(source)
 
diff --git a/ckanext/harvest/logic/schema.py b/ckanext/harvest/logic/schema.py
index 37c804a..0145c7a 100644
--- a/ckanext/harvest/logic/schema.py
+++ b/ckanext/harvest/logic/schema.py
@@ -5,10 +5,11 @@ from ckan.lib.navl.validators import (ignore_missing,
                                       not_missing
                                      )
 
-from ckanext.harvest.logic.validators import harvest_source_id_exists, \
-                                            harvest_source_url_validator, \
-                                            harvest_source_type_exists, \
-                                            harvest_source_config_validator
+from ckanext.harvest.logic.validators import (harvest_source_id_exists,
+                                            harvest_source_url_validator,
+                                            harvest_source_type_exists,
+                                            harvest_source_config_validator,
+                                            harvest_source_active_validator,)
 
 def default_harvest_source_schema():
 
@@ -17,7 +18,7 @@ def default_harvest_source_schema():
         'url': [not_empty, unicode, harvest_source_url_validator],
         'type': [not_empty, unicode, harvest_source_type_exists],
         'description': [ignore_missing],
-        'active': [ignore_missing],
+        'active': [ignore_missing,harvest_source_active_validator],
         'user_id': [ignore_missing],
         'publisher_id': [ignore_missing],
         'config': [ignore_missing,harvest_source_config_validator]
diff --git a/ckanext/harvest/logic/validators.py b/ckanext/harvest/logic/validators.py
index 87959a7..e851649 100644
--- a/ckanext/harvest/logic/validators.py
+++ b/ckanext/harvest/logic/validators.py
@@ -56,7 +56,7 @@ def harvest_source_url_validator(key,data,errors,context):
     for url,active in existing_sources:
         url = _normalize_url(url)
         if url == new_url:
-            raise Invalid('There already is an active Harvest Source for this URL: %s' % data[key])
+            raise Invalid('There already is a Harvest Source for this URL: %s' % data[key])
 
     return data[key] 
 
@@ -91,3 +91,11 @@ def harvest_source_config_validator(key,data,errors,context):
             else:
                 return data[key]
 
+def harvest_source_active_validator(value,context):
+    if isinstance(value,basestring):
+        if value.lower() == 'true':
+            return True
+        else:
+            return False
+    return bool(value)
+
diff --git a/ckanext/harvest/public/ckanext/harvest/style.css b/ckanext/harvest/public/ckanext/harvest/style.css
index 163e43e..9f5aaca 100644
--- a/ckanext/harvest/public/ckanext/harvest/style.css
+++ b/ckanext/harvest/public/ckanext/harvest/style.css
@@ -58,3 +58,12 @@ body.index.ViewController #content {
     vertical-align: middle;
     margin: 0 5px;
 }
+
+.source-state-active{
+    font-weight:bold;
+}
+
+.source-state-inactive{
+    font-weight:bold;
+    color: red;
+}
diff --git a/ckanext/harvest/templates/source/new_source_form.html b/ckanext/harvest/templates/source/new_source_form.html
index 72c94e8..a455789 100644
--- a/ckanext/harvest/templates/source/new_source_form.html
+++ b/ckanext/harvest/templates/source/new_source_form.html
@@ -40,6 +40,21 @@
             <dd class="instructions basic">You can add your own notes here about what the URL above represents to remind you later.</dd>
             <dt><label class="field_opt" for="config">Configuration</label></dt>
             <dd><textarea id="config" name="config" cols="30" rows="2" style="height:75px">${data.get('config', '')}</textarea></dd>
+
+            <dt><label class="field_opt" for="active">State</label></dt>
+            <dd>
+            <select id="active" name="active">
+                <option py:attrs="{'selected': 'selected' if data.get('active') or not 'active' in data else None}" value="True">active</option>
+                <option py:attrs="{'selected': 'selected' if 'active' in data and not data.get('active') else None}" value="False">inactive</option>
+            </select>
+            <py:if test="data.get('active') or not 'active' in data">
+                <div>This harvest source is <span class="source-state-active">Active</span></div>
+            </py:if>
+            <py:if test="'active' in data and not data.get('active')">
+                 <div>This harvest source is <span class="source-state-inactive">Inactive</span></div>
+            </py:if>
+
+            </dd>
         </dl>
     </fieldset>
     <input id="save" name="save" value="Save" type="submit" /> or <a href="/harvest">Return to the harvest sources list</a>