YIELD AND LEAF ELEMENTAL CONCENTRATION OF BEETROOT IN RESPONSE TO NUTRIENT SOLUTION COMPOSITION IN HYDROPONIC CULTURE

Autor:	Jonathan N. Egilla
Rok vydání:	2012
Předmět:	Physiology Magnesium Sodium chemistry.chemical_element Manganese Zinc Nitrogen Nutrient film technique Horticulture Nutrient chemistry Agronomy Composition (visual arts) Agronomy and Crop Science
Zdroj:	Journal of Plant Nutrition. 35:203-214
ISSN:	1532-4087 0190-4167
DOI:	10.1080/01904167.2012.636123
Popis:	The yield and leaf elemental concentration of beetroot was determined in a Nutrient Film Technique (NFT) hydroponic experiment. The nutrient solutions contained in mg L−1: 108 nitrogen (N) and 12.0 calcium (Ca) (N1Ca1), or 200 N and 66.7 Ca (N2Ca2), respectively. Edible root fresh weight (RFW [g/plant]), was significantly (P = 0.0308) increased with N2Ca2 over N1Ca1. The higher RFW yield of N2Ca2 grown beetroot corresponded with significantly (P = 0.05) higher leaf concentrations of Ca, magnesium (Mg), manganese (Mn), molybdenum (Mo), aluminum (Al) and sodium (Na), but not zinc (Zn). Lower tissue Ca and B concentration probably contributed to the reduced yield observed, and Na can be beneficial to the growth of beetroot in hydroponic culture. Adequate supply and enhanced uptake of Ca and B in balance with K, Mg and the other elements are essential in nutrient source selection and management during hydroponic culture of beetroot, and probably other members of Beta species.
Databáze:	OpenAIRE
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