Varying Nitrogen Fertigation for Cucumbers Grown in Greenhouses with Soil of Optimal or High Nutrient Status

The standard growth-stage-based fertigation schedule has provided the weekly supply amount of fertilizer considering expecting yield with no regard soil nutrient status. study aimed to examine if nitrogen applied at a rate results in best cucumber two greenhouses different levels, i.e. optimal and high. We investigated (N) uptake pattern cucumbers levels which included half (N0.5), (N1) double (N2). In year 2020, N1 amendment resulted highest level, however, lower N0.5 higher high-nutrient soil. 2021, there was statistical difference by both soils high level. Soil NO3-N remained low regardless N supplied, but supplied N2. Partial Factor Productivity Nitrogen (PFPN) it decreased as increased conclusion, precise is needed be set consideration concentrations (mg kg-1) during growth spring below level (100) greenhouse, however fluctuated values than 70 greenhouse.