1.0Pietruchahttps://pietrucha.pl/en/cs.adminhttps://pietrucha.pl/en/author/cs-admin/rich600338<blockquote class="wp-embedded-content" data-secret="HYGstrBEbZ"><a href="https://pietrucha.pl/en/retention-solutions/mala-retencja/">Wielkie efekty małej retencji</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://pietrucha.pl/en/retention-solutions/mala-retencja/embed/#?secret=HYGstrBEbZ" width="600" height="338" title="“Wielkie efekty małej retencji” — Pietrucha" data-secret="HYGstrBEbZ" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script type="text/javascript"> /* <![CDATA[ */ /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://pietrucha.pl/wp-includes/js/wp-embed.min.js /* ]]> */ </script> https://pietrucha.pl/wp-content/uploads/2025/04/pietrucha_galer_4-1024x768.png1024768Small retention consists in collecting water in natural (ponds, oxbow lakes) and artificial (ponds, streams, small dam reservoirs) with a capacity of up to several thousand cubic meters, as well as in river networks and drainage ditches. By increasing the humidity of habitats and raising the level of groundwater, small retention allows you to create […]