The Effect of Transplant Date and Plant Spacing on Biomass Production for Floral Hemp (Cannabis sativa L.)
Abstract
:1. Introduction
2. Materials and Methods
2.1. Experimental Design
2.2. Experimental Design
2.3. Data and Sample Collection
2.4. Statistical Analysis
3. Results and Discussion
3.1. Transplant Date Affecting Plant Height
3.2. Transplant Date Affecting Plant Width
3.3. Plant Spacing Affecting Plant Width
3.4. Biomass Affected by Transplant Date and Plant Spacing
3.5. Economic Return
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Response | Model | Goodness-of-Fit Criteria z | |
---|---|---|---|
AICc | BIC | ||
Plant height | Logistic | 23,776.61 | 23,820.53 |
Four-Parameter Logistic | 23,761.87 | 23,818.33 | |
Gompertz | 24,498.32 | 24,542.24 | |
Beta growth function | 25,340.37 | 25,384.29 | |
Four-parameter beta growth function | 25,756.81 | 25,813.27 | |
Plant width | Logistic | 26,629.02 | 26,672.68 |
Four-Parameter Logistic | 26,298.21 | 26,341.87 | |
Gompertz | 26,611.26 | 26,667.38 | |
Beta growth function | NC y | NC | |
Four-parameter beta growth function | 27,376.02 | 27,419.68 |
Parameter | ||||
---|---|---|---|---|
Transplant Date | A cm | B cm | c Days | m cm Day−1 |
11 May | −1.87 c z | 105.54 a | 38.23 a | 15.05 a |
25 May | 3.02 b | 100.63 b | 37.42 a | 11.20 b |
8 June | 2.36 b | 98.72 bc | 33.87 b | 10.88 b |
22 June | 3.25 b | 95.64 c | 30.59 c | 10.78 b |
6 July | 11.48 a | 80.98 d | 28.95 c | 9.15 c |
p-value | <0.0001 | <0.0001 | <0.0001 | <0.0001 |
Parameter | ||||
---|---|---|---|---|
Transplant Date | A cm | B cm | C Days | M cm Day−1 |
11 May | −25.59 c z | 148.38 a | 36.20 a | 20.57 a |
25 May | −15.72 bc | 136.39 b | 35.59 a | 15.94 b |
8 June | −18.49 bc | 127.78 c | 28.76 b | 14.90 b |
22 June | −12.58 b | 124.99 c | 27.25 b | 14.07 b |
6 July | −0.10 a | 99.09 d | 26.84 b | 11.36 c |
p-value | <0.0001 | <0.0001 | <0.0001 | <0.0001 |
Spacing m | Parameter | |||
---|---|---|---|---|
A cm | B cm | C Days | M cm Day−1 | |
0.91 | −14.83 | 118.94 c z | 29.22 b | 15.33 b |
1.22 | −17.68 | 133.09 b | 31.45 ab | 16.46 ab |
1.52 | −15.94 | 136.32 ab | 33.06 a | 16.65 ab |
1.83 | −18.17 | 142.38 a | 33.38 a | 17.49 a |
p-value | NS | <0.0001 | <0.0001 | 0.0158 |
Spacing | Intercept | Slope |
---|---|---|
(m) | g plant−1 | g plant−1 day−1 |
0.91 | 1389.00 c z | −6.38 |
1.22 | 1473.00 b | −6.38 |
1.52 | 1530.99 ab | −6.38 |
1.83 | 1585.71 a | −6.38 |
Spacing | Intercept | Slope |
---|---|---|
(m) | kg ha−1 | kg ha−1 day−1 |
0.91 | 7727.8 a z | −31.98 |
1.22 | 7453.7 b | −31.98 |
1.52 | 7218.7 bc | −31.98 |
1.83 | 7049.04 c | −31.98 |
Spacing | Intercept | Slope |
---|---|---|
(m) | US$ ha−1 | US$ ha−1 day−1 |
0.91 | 25,069.27 | −163.098 |
1.22 | 25,535.26 | −163.098 |
1.52 | 25,472.68 | −163.098 |
1.83 | 25,368.68 | −163.098 |
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Linder, E.R.; Young, S.; Li, X.; Henriquez Inoa, S.; Suchoff, D.H. The Effect of Transplant Date and Plant Spacing on Biomass Production for Floral Hemp (Cannabis sativa L.). Agronomy 2022, 12, 1856. https://doi.org/10.3390/agronomy12081856
Linder ER, Young S, Li X, Henriquez Inoa S, Suchoff DH. The Effect of Transplant Date and Plant Spacing on Biomass Production for Floral Hemp (Cannabis sativa L.). Agronomy. 2022; 12(8):1856. https://doi.org/10.3390/agronomy12081856
Chicago/Turabian StyleLinder, Eric R., Sierra Young, Xu Li, Shannon Henriquez Inoa, and David H Suchoff. 2022. "The Effect of Transplant Date and Plant Spacing on Biomass Production for Floral Hemp (Cannabis sativa L.)" Agronomy 12, no. 8: 1856. https://doi.org/10.3390/agronomy12081856