Response of spinach to nitrogen source and fertilizer rates
2000
Stancheva, I. | Atanasova, E. (Institut po Pochvoznanie i Agroekologiya "N. Pushkarov", Sofia (Bulgaria))
The increases of frtilizer rate, over 560 mg/kg soil resulted reduction of fresh and dry biomass and plastid pigment content independently of the nitrogen source, but better adaptability to nitrate as N-source for spinach was confirmed. Leaf nitrate concentration above the acceptable limit one was observed in the presence of the NH4NO3 at concentrations that suppressed plant biomass accumulation.
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Эту запись предоставил Institute of Agricultural Economics