&lt;p&gt;&lt;span style=&quot;font-size: 32pt; font-family: &quot;Calibri Light&quot;; font-variant-numeric: normal; font-variant-east-asian: normal; color: red; letter-spacing: 0pt; font-weight: bold; vertical-align: baseline;&quot;&gt;IV-
Action de l&rsquo;Homme sur le sol :&lt;/span&gt;&lt;span style=&quot;font-size: 32pt; font-family: &quot;Calibri Light&quot;; font-variant-numeric: normal; font-variant-east-asian: normal; color: red; letter-spacing: 0pt; vertical-align: baseline;&quot;&gt;&lt;br&gt;
&lt;/span&gt;&lt;span style=&quot;font-size: 24pt; font-family: &quot;Calibri Light&quot;; font-variant-numeric: normal; font-variant-east-asian: normal; color: rgb(112, 173, 71); letter-spacing: 0pt; font-weight: bold; vertical-align: baseline;&quot;&gt;&nbsp;1- Quelques aspects de la d&eacute;gradation du sol :&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot;font-size: 24pt; font-family: &quot;Calibri Light&quot;; font-variant-numeric: normal; font-variant-east-asian: normal; color: rgb(112, 173, 71); letter-spacing: 0pt; font-weight: bold; vertical-align: baseline;&quot;&gt;&lt;span style=&quot;font-size: 28pt; font-variant-numeric: normal; font-variant-east-asian: normal; letter-spacing: 0pt; vertical-align: baseline;&quot;&gt;2- Quelques pratiques d&rsquo;am&eacute;lioration de rendement de sol :&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;&lt;p&gt;&lt;span style=&quot;font-size: 24pt; font-family: &quot;Calibri Light&quot;; font-variant-numeric: normal; font-variant-east-asian: normal; letter-spacing: 0pt; font-weight: bold; vertical-align: baseline;&quot;&gt;&lt;span style=&quot;font-size: 28pt; font-variant-numeric: normal; font-variant-east-asian: normal; letter-spacing: 0pt; vertical-align: baseline;&quot;&gt;Pr&eacute;paration de projet&lt;span style=&quot;color: rgb(112, 173, 71);&quot;&gt;&nbsp;&lt;/span&gt;&lt;br&gt;&lt;/span&gt;&lt;br&gt;&lt;/span&gt;&lt;/p&gt;