Development and Evaluation of Deoiled Seed Cake and Paddy Straw Amended Potting Media for the Cultivation of Tomato and
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ORIGINAL PAPER
Development and Evaluation of Deoiled Seed Cake and Paddy Straw Amended Potting Media for the Cultivation of Tomato and Cucumber Pratibha1 · Sampa Saha2 · P. Hariprasad1 Received: 26 May 2020 / Accepted: 25 September 2020 © Springer Nature B.V. 2020
Abstract The present study aimed to analyse the potential of six Deoiled cakes (DOCs) (2.5, 5, 7.5 and 10% (v/v)) and Paddy straw (PS) (10% (v/v)) as potting media (PM) amendments and its subsequent effect on the physical and nutritional properties of the PM and plant health. The study focussed on two transplantable horticulture crops, cucumber (Cucumis sativus L.) and tomato (Solanum lycopersicum L.) using coir pith (CP) and vermicompost (VC) as the base material of PM. Among 6 DOCs tested, neem (2.5%) and niger cake (5%) were found to be significant in improving the plant growth of both the crops tested. Further, PS powder amendment to selected PM improved the plant growth, up to 10% (v/v). However, at higher concentrations, PS amendment recorded decreased shoot and root length. Two optimized potting media, DPM-1 (CP + VC + Neem cake + PS:77.5 + 10 + 2.5 + 10% (v/v)) and DPM-2 (CP + VC + Niger cake + PS:75 + 10 + 5 + 10% (v/v)) were evaluated in comparison to peat-based two commercial potting media (CPM-1 and CPM-2). DPM-1 and DPM-2 recorded, bulk density (0.29 and 0.28 g/cm3), water holding capacity (59.87 and 59.02%), and % solid (16.63 and 15.37%), air porosity (23.50 and 25.61%), total porosity (83.37 and 84.63%), Ec (2.64 and 2.76 mS/cm), and pH (6.56 and 6.40), respectively. However, all these parameters were within the recommended range of ideal PM. Tomato and cucumber seedlings were grown in both DPMs showed significant improvement in growth and macro and micronutrients in comparison to CPMs and control. Graphic Abstract
Electronic supplementary material The online version of this article (https://doi.org/10.1007/s12649-020-01264-2) contains supplementary material, which is available to authorized users. Extended author information available on the last page of the article
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Waste and Biomass Valorization
Keywords Agro residue · Paddy straw · Deoiled cake · Potting media · Plant growth
Statement of Novelty The use of locally available agro residues and their effect on the quality of the potting medium (PM) for the horticultural application was examined. Further, the correlation between the paddy straw (PS) amendment and Physico-chemical properties of PM was studied. To best of our knowledge, no study has been reported to date on the utilisation of PS in PM and its effect on the growth parameters and nutrient status of seedlings under nursery condition.
Introduction Horticulture is an indispensable part of agriculture, offering a wide range of choices to the farmers for crop diversification. The horticulture industry, with a 33% share in total agricultural GDP and around 37% of the total export of agriculture commodities, and has become an economic powerhouse of the country [1, 2]. A nursery is an essential pa
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