Significance of N source (urea vs. NH4NO3) and Ni supply for growth, urease activity and nitrogen metabolism of zucchini (Cucurbita pepo convar. giromontiina)

Gerendás, J., & Sattelmacher, B. (1997). Significance of N source (urea vs. NH4NO3) and Ni supply for growth, urease activity and nitrogen metabolism of zucchini (Cucurbita pepo convar. giromontiina). In Plant Nutrition for Sustainable Food Production and Environment (pp. 75–80). Springer Netherlands. https://doi.org/10.1007/978-94-009-0047-9_8