Ma ka moku ʻo Bryansk, ma ka lā 20 o ʻApelila, ua hōʻoia nā loea o ka Russian Agricultural Center i 57,4 tausani mau tona o ka hua uala, ʻo 66% ia o ka nui i piha. Ua hōʻike ʻia kēia i ka lawelawe kaomi o ka ʻoihana.
ʻAneʻane hiki i nā uala āpau (97,5%) ke hoʻokō i nā koina o GOST. ʻO ka scab, maloʻo a pulu pulu, rhizoctonia, a me nā ʻino mechanical a me nā mehe o ka wireworm i loaʻa i nā mea liʻiliʻi.
Hoʻomaopopo ka poʻe loea i ka hapanui o nā maʻi uala e lawe ʻia ma o nā tubers hua. I mea e hoʻomohala ai i kahi ʻōnaehana pale tuber ākea, he mea nui e kālailai i kaʻuala ma mua o ke kanu ʻana.