Nitrogen nutrition of rice plants measured by growth and nutrient content in pot experiments. 2. Uptake of ammonium and nitrate from a waterlogged soil.
Year: 1972
Type: article
Abstract: Rice cv. IR5 was grown in pots in waterlogged soil with varying levels of K, Na, Mg, Ca, NH4, NO3, Cl, PO4 and SO4. Where NO3 but no NH4 was supplied, denitrification resulted in N shortage and restricted N uptake. With NH4, uptake of N was determined by plant growth and capacity to incorporate N. When KNO3 was replaced by NH4Cl, plant growth was less than where (NH4)2SO4 was the replacement salt; this was related to the greater accumulation of Cl ions in the tissues and a consequent marked fall in carboxylates to a very low level indicative of nutritional stress. (Abstract retrieved from CAB Abstracts by CABI’s permission)
Authors: W. Dijkshoorn, M. Ismunadji
Institution: Wageningen University & Research
Language: English
Subfield: Plant Science
Domain: Life Sciences
SDG: Zero hunger
Open Access status: bronze
OpenAlex ID: W3036326168