Controlled environment strategies for tipburn management in greenhouse strawberry production

Greenhouse strawberry production is gaining interest in North America where field production is the primary source of fruit. Issues of off-season greenhouse strawberry production include tipburn, an environmentally induced localized calcium deficiency. Tipburn often increases when nighttime relative humidity (RH) is low (high vapor pressure deficit, VPD) from nighttime heating or venting with dry air in arid climate. High nighttime humidity ( 3 h nighttime high RH (