EFFECT OF SOWING DATES ON POLYPHENOL CONTENT AND POLYPHENOL OXIDASE ACTIVITY IN LEAVES AND SEEDS OF SOYBEAN ACCESSIONS WITH DIFFERENT MATURITY GROUPS. EB [Internet]. 2026 Mar. 20 [cited 2026 Jul. 22];106(1):158-6. Available from: https://bb.kaznu.kz/index.php/biology/article/view/2656