Chopra, 1970. Punjab Agricultural Univ., Ludhiana (India). Dept. of Chemistry and Biochemistry Document reference Chopra, S. L., 1970. Personal communication. Punjab Agricultural Univ., Ludhiana (India). Dept. of Chemistry and BiochemistryCitation key Chopra, 1970Datasheets Rapeseed mealPigweed (Chenopodium album)Guar (Cyamopsis tetragonoloba) forage, seed and mealPotato (Solanum tuberosum) tubers
