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Soil science
Effects of Different Ratios of Urea:Nitrate in Nutrient Solution on the Growth and Nitrate Accumulation of Red French Lettuce in Soilless Culture

S. Naseri; Sh. Kiani; H.R. Motaghian

Volume 38, Issue 2 , May and June 2024, , Pages 239-252

https://doi.org/10.22067/jsw.2024.86415.1372

Abstract
  IntroductionUrea is one of the nitrogen chemical fertilizers for vegetable production in soil. But it is seldom used in soilless cultures. Leafy vegetables such as Lettuce (Lactuca sativa L.) contain high levels of nitrate and attempts have been made to reduce the nitrate concentration in this crop for ...  Read More