Evaluation Of Nutrient Solution On The Growth And Yield Performance Of Organic Lettuce Grown In Vertical Towers

T, S, Chowdhury S Eval- uation of Nutrient Solution on the Growth and Yield Performance of Organic Lettuce Grown in Vertical Towers. J Agron Agri Sci 2: 014. Abstract Vertical farming saves land, space, water, produces no weed, pest or disease issues and ecofriendly. In vertical towers, vegetables can be grown indoors and outdoors all year round in short time with less effort, care and greater harvest yield. The objective of this study was to compare the effect of two nutrient blend solutions on the total yield, fresh weight and dry weight of four varieties of lettuce namely Bibb, Leaf lettuce, oak leaf and red salad. The study was conducted in the fall of 2017 in a hoop house at the Tennessee State University organic farm. Organic seeds were directly planted unto 2.5 cm rock wool cubes, in an indoor vertical grow tower. Two concentrations of nutrient blend solution A (2:0:0) and B (0-1-3) evaluated. Indoor vertical towers were spaced 0.9m from each other. At planting, an initial volume of 400mL and 200mL of nutrient blend solution A and B was added into 20 gallons of water to fill the tower garden reservoir. Subsequently, Lettuce plants in tower 1 received 400mL of the nutrient blend solution while lettuce plants in tower 2 were treated with 200mL of nutrient as needed throughout the growing season. Treat- ment and variety not their interaction had an effect on the growth of the lettuce plants. Yield (fresh wt/g) and dry weight of the Lettuce varieties varied significantly vary from one another. Plant yield was generally higher in the 200mL volume. Fresh and dry weight of red salad bowl lettuce variety with 200mL volume concentration was found to be significantly higher than that of all other varieties grown with the 400mL volume nutrient blend volume. The preliminary study suggest that the grow tower system is a viable alternative to growing lettuce vertically on land and half concentration of nutrient solution (NPK) is optimal for yield performance.

• Publication year

  2019

• Venue

  Agronomy & Agricultural Science

• Publication date

  2019-11-19

• Fields of study

  Agricultural and Food Sciences, Environmental Science

• Identifiers
  DOI 10.24966/aas-8292/100014
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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