diff --git a/install/data/constant_format.tpl b/install/data/constant_format.tpl
index 1e250310..7cde1ec4 100644
--- a/install/data/constant_format.tpl
+++ b/install/data/constant_format.tpl
@@ -106,6 +106,9 @@ define("SHOW_NATARS",%SHOW_NATARS%);
 // ***** Natars Units Multiplier
 define("NATARS_UNITS",%NATARS_UNITS%); 
 
+// ***** Nature troops regeneration time
+define("NATURE_REGTIME",%NATURE_REGTIME%); 
+
 // ***** Enable T4 is Coming screen
 define("T4_COMING",%T4_COMING%);
 
diff --git a/install/process.php b/install/process.php
index 8595166e..96794c61 100644
--- a/install/process.php
+++ b/install/process.php
@@ -96,6 +96,7 @@ class Process {
 		$text = preg_replace("'%WW%'", $_POST['ww'], $text);
 		$text = preg_replace("'%SHOW_NATARS%'", $_POST['show_natars'], $text);
 		$text = preg_replace("'%NATARS_UNITS%'", $_POST['natars_units'], $text);
+		$text = preg_replace("'%NATURE_REGTIME%'", $_POST['nature_regtime'], $text);
 		$text = preg_replace("'%T4_COMING%'", $_POST['t4_coming'], $text);
 		$text = preg_replace("'%REG_OPEN%'", $_POST['reg_open'], $text);
 		$text = preg_replace("'%PEACE%'", $_POST['peace'], $text);
diff --git a/install/templates/config.tpl b/install/templates/config.tpl
index 884f60f9..3c1ed2a2 100644
--- a/install/templates/config.tpl
+++ b/install/templates/config.tpl
@@ -80,6 +80,16 @@ echo "<div class=\"headline\"><span class=\"f10 c5\">Error creating constant.php
 				<option value="(3600*24*7)" selected="selected">7 days</option>
 				</select>
 		</td></tr><tr></tr>
+	<td><span class="f9 c6">Nature troops regeneration time:</span></td><td>
+				<select name="nature_regtime">
+				<option value="28800">8 hours</option>
+				<option value="36000">10 hours</option>
+				<option value="43200" selected="selected">12 hours</option>
+				<option value="57600">16 hours</option>
+				<option value="72000">20 hours</option>
+				<option value="86400">24 hours</option>
+				</select>
+		</td></tr><tr></tr>
 	<td><span class="f9 c6">Storage Multipler:</span></td><td width="140"><input type="text" name="storage_multiplier" id="storage_multiplier" value="1"></td></tr><tr>
 	<td><span class="f9 c6">Tourn Threshold:</span></td><td width="140"><input type="text" name="ts_threshold" id="ts_threshold" value="20"></td></tr><tr>
 	<td><span class="f9 c6">Great Workshop:</span></td><td>