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Comparative performance of static and re-circulating close hydroponic system for lettuce production

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Research Paper 01/10/2019
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Comparative performance of static and re-circulating close hydroponic system for lettuce production

Abdul Qadeer, Zia-Ul-Haq, Shahid Javed Butt, Asim Gulzar, Talha Mehmood
Int. J. Biosci.15( 4), 401-407, October 2019.
Certificate: IJB 2019 [Generate Certificate]
Key: Hydroponic systemLettuceYield

Abstract

Lettuce (Lactuca sativa) is commonly used as salads although it is also seen in different kinds of foods; soups, sandwiches and wraps. In Pakistan conventional lettuce production techniques are unable to meet market requirements during offseason while consumers demands for regular year-round supply. In this scenario, alternative farming practices; nutrient film technique (NFT) a liquid hydroponic system was developed. NFT is an innovative food production system having a high yield promise. Keeping in view the market demand of lettuce an experiment was conducted at Hydroponic Research Station Rawat, Institute of Hydroponic Agriculture, Pir Mehr Ali Shah Arid Agriculture University Rawalpindi. Experiment was performed for the testing of static and re-circulating close hydroponic system and the comparison of different treatments was made in greenhouse conditions. Growth and yield parameters was recorded regularly throughout the life cycle of crop. Crop parameters include plant height, number of leaves per plant, length of leaf, breadth of leaf, and yield per plant in eight treatments (T1, T2,T3…..T8) were measured. To take the average data five plants were selected from each treatment. The data was statistically analyzed by using Completely Randomized Design (CRD) at 5% level of probability. Comparatively better yield was observed in re-circulating nutrient film technique.

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