Optimisation of Nitrogen, Phosphorus, and Potassium for Soilless Production of Cannabis sativa in the Flowering Stage Using Response Surface Analysis

Following legalisation, cannabis has quickly become an important horticultural crop in Canada and increasingly so in other parts of the world. However, due to previous legal restrictions on cannabis research there are limited scientific data on the relationship between nitrogen (N), phosphorus (P),...

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Autores principales:	Lewys Bevan, Max Jones, Youbin Zheng
Formato:	article
Lenguaje:	EN
Publicado:	Frontiers Media S.A. 2021
Materias:	cannabis cannabinoids nutrient nitrogen phosphorus potassium Plant culture SB1-1110
Acceso en línea:	https://doaj.org/article/ae61c369dd2d440688c2c05747a93ab3
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spelling	oai:doaj.org-article:ae61c369dd2d440688c2c05747a93ab32021-11-17T07:02:22ZOptimisation of Nitrogen, Phosphorus, and Potassium for Soilless Production of Cannabis sativa in the Flowering Stage Using Response Surface Analysis1664-462X10.3389/fpls.2021.764103https://doaj.org/article/ae61c369dd2d440688c2c05747a93ab32021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fpls.2021.764103/fullhttps://doaj.org/toc/1664-462XFollowing legalisation, cannabis has quickly become an important horticultural crop in Canada and increasingly so in other parts of the world. However, due to previous legal restrictions on cannabis research there are limited scientific data on the relationship between nitrogen (N), phosphorus (P), and potassium (K) supply (collectively: NPK) and the crop yield and quality. This study examined the response of a high delta-9-tetrahydrocannabinol (THC) Cannabis sativa cultivar grown in deep-water culture with different nutrient solution treatments varying in their concentrations (mg L–1) of N (70, 120, 180, 250, 290), P (20, 40, 60, 80, 100), and K (60, 120, 200, 280, 340) according to a central composite design. Results demonstrated that inflorescence yield responded quadratically to N and P, with the optimal concentrations predicted to be 194 and 59 mg L–1, respectively. Inflorescence yield did not respond to K in the tested range. These results can provide guidance to cultivators when formulating nutrient solutions for soilless cannabis production and demonstrates the utility of surface response design for efficient multi-nutrient optimisation.Lewys BevanMax JonesYoubin ZhengFrontiers Media S.A.articlecannabiscannabinoidsnutrientnitrogenphosphoruspotassiumPlant cultureSB1-1110ENFrontiers in Plant Science, Vol 12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	cannabis cannabinoids nutrient nitrogen phosphorus potassium Plant culture SB1-1110
spellingShingle	cannabis cannabinoids nutrient nitrogen phosphorus potassium Plant culture SB1-1110 Lewys Bevan Max Jones Youbin Zheng Optimisation of Nitrogen, Phosphorus, and Potassium for Soilless Production of Cannabis sativa in the Flowering Stage Using Response Surface Analysis
description	Following legalisation, cannabis has quickly become an important horticultural crop in Canada and increasingly so in other parts of the world. However, due to previous legal restrictions on cannabis research there are limited scientific data on the relationship between nitrogen (N), phosphorus (P), and potassium (K) supply (collectively: NPK) and the crop yield and quality. This study examined the response of a high delta-9-tetrahydrocannabinol (THC) Cannabis sativa cultivar grown in deep-water culture with different nutrient solution treatments varying in their concentrations (mg L–1) of N (70, 120, 180, 250, 290), P (20, 40, 60, 80, 100), and K (60, 120, 200, 280, 340) according to a central composite design. Results demonstrated that inflorescence yield responded quadratically to N and P, with the optimal concentrations predicted to be 194 and 59 mg L–1, respectively. Inflorescence yield did not respond to K in the tested range. These results can provide guidance to cultivators when formulating nutrient solutions for soilless cannabis production and demonstrates the utility of surface response design for efficient multi-nutrient optimisation.
format	article
author	Lewys Bevan Max Jones Youbin Zheng
author_facet	Lewys Bevan Max Jones Youbin Zheng
author_sort	Lewys Bevan
title	Optimisation of Nitrogen, Phosphorus, and Potassium for Soilless Production of Cannabis sativa in the Flowering Stage Using Response Surface Analysis
title_short	Optimisation of Nitrogen, Phosphorus, and Potassium for Soilless Production of Cannabis sativa in the Flowering Stage Using Response Surface Analysis
title_full	Optimisation of Nitrogen, Phosphorus, and Potassium for Soilless Production of Cannabis sativa in the Flowering Stage Using Response Surface Analysis
title_fullStr	Optimisation of Nitrogen, Phosphorus, and Potassium for Soilless Production of Cannabis sativa in the Flowering Stage Using Response Surface Analysis
title_full_unstemmed	Optimisation of Nitrogen, Phosphorus, and Potassium for Soilless Production of Cannabis sativa in the Flowering Stage Using Response Surface Analysis
title_sort	optimisation of nitrogen, phosphorus, and potassium for soilless production of cannabis sativa in the flowering stage using response surface analysis
publisher	Frontiers Media S.A.
publishDate	2021
url	https://doaj.org/article/ae61c369dd2d440688c2c05747a93ab3
work_keys_str_mv	AT lewysbevan optimisationofnitrogenphosphorusandpotassiumforsoillessproductionofcannabissativainthefloweringstageusingresponsesurfaceanalysis AT maxjones optimisationofnitrogenphosphorusandpotassiumforsoillessproductionofcannabissativainthefloweringstageusingresponsesurfaceanalysis AT youbinzheng optimisationofnitrogenphosphorusandpotassiumforsoillessproductionofcannabissativainthefloweringstageusingresponsesurfaceanalysis
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Optimisation of Nitrogen, Phosphorus, and Potassium for Soilless Production of Cannabis sativa in the Flowering Stage Using Response Surface Analysis

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