It is possible to almost sure declare that there is not the crop on the picture barley because barley in the stage of maturity in which there is the crop on the picture would be lying on the ground 20 to 30 of whole field area

Please fix the punctuation.
It is possible to almost sure declare that there is not the crop on the picture barley, because barley in the stage of maturity in which there is the crop on the picture, would be lying on the ground 20 to 30% of whole field area.