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Studies on the regional difference in the growth of potatoes to the condition of cultivation

, : Studies on the regional difference in the growth of potatoes to the condition of cultivation. Research Bulletin of the Hokkaido National Agricultural Experiment Station (109): 1-17

In field trials in 6 districts of Hokkaido, potatoes were given P, K and Mg with 3 rates of N. Leaf size and the leaf:stem ratio were larger at 2 sites than at the other 4, and at 1 of these 2 sites small tubers were formed due to early planting while at the other late planting gave no small tubers. At 3 sites, but not at 2 others, total leaf N content decreased and total stem sugar content increased with increasing plant growth. Total DM yield increased with applied N at 2 sites.


Other references

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Ahmed, A.T.; Khalid, H.A., 2012: Effectiveness of novel and traditional treatments on the performance of incinerator bottom ash waste. Management of natural aggregate resources has become one of the most important challenges in construction, especially for high demand applications such as roads. Incinerator bottom ash (IBA), which is produced from burning domestic waste, has been...

Parast, M.M.; Yu, H.; Ciric, A.; Salata, M.W.; Davis, V.; Milstone, D.S., 2010: PPARgamma regulates trophoblast proliferation and promotes labyrinthine trilineage differentiation. Abnormal trophoblast differentiation and function is the basis of many placenta-based pregnancy disorders, including pre-eclampsia and fetal growth restriction. PPARgamma, a ligand-activated nuclear receptor, plays essential roles in placental dev...

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Ollino, Margherita, 1933: Anuran metamorphosis experiments with regard to age- and hormonal conditions. Preliminary report. Do the lytic, metamorphogenic substances operate only in the region of metamorphosis? Do they operate regardless of the substratum, or is this latter in a peculiarly favoring condition? Transplants were made from the tails of v...