抄録
The carbohydrate and N-compound of the fifth-growth of potato-tubers found in “Kannnanshiro"were analyzed by the authors. 2. The accumulation of starch and total N in the new sprout tissue increased gradually fact above-mentioned was observed. 3. From the result above-mentioned, it is clear that the cause of such a high order growth of potato-tubers is just the same as that of the secondary growth.
