Displaying After Entry widget area on Pages in Genesis. http://sridharkatakam.com/display-entry-widget-area-pages-genesis/

functions.php

<?php
//* Do NOT include the opening php tag

//* Activate After Entry widget area and display it on single Posts
add_theme_support( 'genesis-after-entry-widget-area' );

gistfile1.php

<?php
//* Do NOT include the opening php tag

add_action( 'genesis_after_entry', 'sk_after_entry_widget_area' );
/**
 * Display after-entry widget area on the genesis_after_entry action hook.
 *
 * Scope: Static Pages
 * 
 * @uses genesis_widget_area() Output widget area.
 */
function sk_after_entry_widget_area() {

	if ( ! is_singular( 'page' ) || ! current_theme_supports( 'genesis-after-entry-widget-area' ) ) {
		return;
	}

	genesis_widget_area( 'after-entry', array(
		'before' => '<div class="after-entry widget-area">',
		'after'  => '</div>',
	) );

}

style.css

.after-entry {
	background: #333;
	color: #fff;
	padding: 40px;
	margin-bottom: 40px;
}
 
.after-entry h4.widget-title {
	color: #fff;
}

.after-entry .widget {
	margin-bottom: 40px;
}
.after-entry .widget:last-child {
	margin-bottom: 0;
}