Impact of nitrogen fertilizer type and application rate on growth, nitrate accumulation, and postharvest quality of spinach.

ABSTRACT:

Background

A balanced supply of nitrogen is essential for spinach, supporting both optimal growth and appropriate nitrate (NO₃ ^-) levels for improved storage quality. Thus, choosing the correct nitrogen fertilizer type and application rate is key for successful spinach cultivation. This study investigated the effects of different nitrogen (N) fertilizer type and application rates on the growth, nitrate content, and storage quality of spinach plants.

Methods

Four fertilizer types were applied at five N doses (25, 50, 200, and 400 mg N kg^-1) to plants grown in plastic pots at a greenhouse. The fertilizer types used in the experiment were ammonium sulphate (AS), slow-release ammonium sulphate (SRAS), calcium nitrate (CN), and yeast residue (YR).

SUBMITTER: Gulut KY 

PROVIDER: S-EPMC11249000 | biostudies-literature | 2024

REPOSITORIES: biostudies-literature