Possible Interaction: Nitrogen and Potassium

“This is particularly so when nitrogen is combined with another marker in 24-h urine samples, potassium.”

“Nonparenchymous or acellular tissue nitrogen and potassium were poorly correlated.”

“ Nitrogen addition increased the concentration of nitrogen and potassium on plant leaf tissues.”

“The findings provide insight into the regulation of maize GDH activity by ammonium and potassium and reveal the importance of the dose and ratio of nitrogen and potassium in crop cultivation.”

“In the present study, we found that both nitrogen (N) and potassium (K) deficiency resulted in a significant reduction in plant growth, as indicated by the significantly decreased dry weight of both shoot and root tissues under N or K deficiency.”

“Thus, nitrogen and potassium share the ability to influence molecular supply and demand but do so in different ways.”

“… nitrogen (N) addition resulted in surface soil acidification and decreased acid buffering capacity, increased the availability of carbon (C), N, phosphorus (P), …-extractable iron (Fe), manganese (Mn), and copper (Cu) contents, depleted the sum of base cations calcium (Ca), magnesium (Mg), potassium (K) and sodium (Na), … soil microbial community.”

“Therefore, the deficit or excess of potassium could inhibit the uptake and utilization of nitrogen , while appropriate potassium could promote root growth, enhance the activity of nitrate reductase, and then increase the absorption of nitrogen by seedlings.”

“ Potassium significantly increased uptake and assimilation of nitrogen with concomitant reduction in the Na ions and consequently Na/K ratio.”

“ Nitrogen application also changed the uptake percentage of potassium uptake of each stage, i.e., the percentage of potassium uptake decreased in the stage from seedling to peak flowering, while increased in the stage from peak flowering to boll maturing.”