Siman 173, Hilchos Orlah (Fruits of the First Three Years), Paragraph 2-end of the Siman and the entire Siman 174, The Halachos of Tree Grafting, and Siman 175, Halachos of Interbreeding Animals, Paragraphs 1-3.
Siman 173, Hilchos Orlah (Fruits of the First Three Years), Paragraph 2-end of the Siman and the entire Siman 174, The Halachos of Tree Grafting, and Siman 175, Halachos of Interbreeding Animals, Paragraphs 1-3.