GLYCOALKALOID CONTENT IN THE TUBERS OF POTATO MANURED WITH UNDERSOWN CATCH CROPS IN THE INTEGRATED AND ORGANIC PRODUCTION SYSTEM Journal title: Folia Pomeranae Universitatis Technologiae Stetinensis Agricultura Alimentaria Piscaria et Zootechnica Authors: Artur MAKAREWICZ, Anna PŁAZA, Barbara GĄSIOROWSKA, Natalia OPATOWICZ Subject(s):