How to create two ion-select in one row?

Hello everyone I’m trying to create two select inputs in one row but when I add the second select both not working.
screeen

Two selects are “Stato” both not working and also “Rfid” (input text) doesn’t work.Here’s my html code:

<ion-col>
      <ion-row style="margin-left:-70px;">
        <h1  style="font-size: 15px;margin:100px;">Asset Nuovo <span class="text_h"></span>SimNuovo</h1>
      </ion-row>
    </ion-col>

    <ion-col style="margin-left:20px;">
      <ion-row style="margin:100px;">
        <ion-card color="light" style="margin-left:-110px;width: 120px;height: 30px;">
          <ion-input placeholder="Location Src"></ion-input>
        </ion-card><span></span>
        <ion-card color="light" style="margin-right:-50px;width: 120px;height: 30px;">
          <ion-input placeholder="Location Src"></ion-input>
        </ion-card>
      </ion-row>
    </ion-col>

    <ion-col>
      <ion-row style="margin:130px;">
        <ion-card color="light" style="margin-left:-120px;width: 120px;height: 30px;">
          <ion-input placeholder="Location Dst"></ion-input>
        </ion-card><span></span>
        <ion-card color="light" style="margin-right:-100px;width: 120px;height: 30px;">
          <ion-input placeholder="Location Dst"></ion-input>
        </ion-card>
      </ion-row>
    </ion-col>

    <ion-col style="margin-left:10px;">
      <ion-row style="margin:160px;">
        <ion-card color="light" style="margin-left:-160px;width: 120px;height: 30px;">
          <ion-input placeholder="Codice Prodotto"></ion-input>
        </ion-card><span></span>
        <ion-card color="light" style="margin-right:-100px;width: 120px;height: 30px;">
          <ion-input placeholder="Codice Prodotto"></ion-input>
        </ion-card>
      </ion-row>
    </ion-col>

    <ion-col style="margin-left:10px;">
      <ion-row style="margin:190px;">
        <ion-card color="light" style="margin-left:-190px;width: 120px;height: 30px;">
          <ion-input placeholder="Serial No."></ion-input>
        </ion-card><span></span>
        <ion-card color="light" style="margin-right:-100px;width: 120px;height: 30px;">
          <ion-input placeholder="Serial No."></ion-input>
        </ion-card>
      </ion-row>
    </ion-col>

    <ion-col style="margin-left:10px;">
      <ion-row style="margin:220px;">
        <ion-card color="light" style="margin-left:-220px;width: 120px;height: 30px;">
          <ion-input placeholder="Rfid"></ion-input>
        </ion-card><span></span>
        <ion-card color="light" style="margin-right:-100px;width: 120px;height: 30px;">
          <ion-input placeholder="Rfid"></ion-input>
        </ion-card>
      </ion-row>
    </ion-col>

    <ion-col  style="margin-left:-30px;">
      <ion-row style="margin:260px;width:120px;">
        <ion-item color="light" style="margin-left:-220px;">
          <ion-label>Stato</ion-label>
          <ion-select [(ngModel)]="status" interface="action-sheet">
            <ion-option value="i">Installato</ion-option>
          </ion-select>
        </ion-item>
      </ion-row>
    </ion-col>

   <ion-col  style="margin-left:120px;">
      <ion-row style="margin:250px;width:120px;">
        <ion-item color="light" style="margin-left:-220px;">
          <ion-label>Stato</ion-label>
          <ion-select [(ngModel)]="status" interface="popover">
            <ion-option style="width:30px;" value="i">Installato</ion-option>
          </ion-select>
        </ion-item>
      </ion-row>
    </ion-col>