Claim · model-written summary
Nitrogen use efficiency and N agronomic efficiency decreased as fertilizer N rate increased in processing tomato.
- Taxon
- processing tomatoe2
- Treatment
- increases in fertilizer N ratee3
- Outcome
- Nitrogen use efficiency and N agronomic efficiencye3
- Direction
- decreasede3
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Verbatim
e2“response of processing tomato ( Lycopersicon Esculentum Mill.) to nutrient application with drip fertigation”
e3“Nitrogen use efficiency and N agronomic efficiency decreased with increases in fertilizer N rate, with N use efficiency averaging 443 kg kg −1 and N agronomic efficiency averaging 237 kg kg −1”
Title
T. Q. Zhang; C. S. Tan; K. Liu; et al. Agronomy Journal 2010. doi:10.2134/agronj2009.0346
Other claims from this paper (10)
- Intervention effect Fertilizer N application affected biomass yield of stems and leaves, total and marketable fruit yields of processing tomato.
- Observation Nitrogen use efficiency averaged 443 kg kg −1 in processing tomato.
- Observation N agronomic efficiency averaged 237 kg kg −1 in processing tomato.
- Intervention effect Fruit yields and net economic returns responded quadratically to the fertilizer N rate in processing tomato.
- Observation Maximum marketable yield of processing tomato was 127 Mg ha −1 averaged across 3 years.
- Observation The fertilizer N rate for maximum marketable yield was 271 kg N ha -1.
- Observation The fertilizer N rate for optimum economic yield was 265 kg N ha -1.
- Recommendation Fertilizer N should be applied at an increased rate for processing tomatoes with drip fertigation to maximize economic return.
- Intervention effect The optimum N rates are considerably greater than the current recommendation, owing to the largely increased yield with drip fertigation.
- Intervention effect Fertilizer P application did not influence yield or N efficiency variables in processing tomato.