Economic and Risk Effects of Rotation Based on a 14-Year Irrigated Potato Production Study in Manitoba
| Autor: | Erik Campbell, Debra L. McLaren, Mohammad Khakbazan, Alison Nelson, D.A. Derksen, Jianzhong Huang, R. M. Mohr, Byron Irvine, Alan P. Moulin, Karl M. Volkmar, Dale J. Tomasiewicz |
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| Rok vydání: | 2017 |
| Předmět: |
0106 biological sciences
food.ingredient business.industry Field experiment Randomized block design 04 agricultural and veterinary sciences Plant Science Crop rotation 01 natural sciences Soil quality Plant disease food Agronomy Agriculture Loam 040103 agronomy & agriculture 0401 agriculture forestry and fisheries Canola business Agronomy and Crop Science 010606 plant biology & botany Mathematics |
| Zdroj: | American Journal of Potato Research. 95:258-271 |
| ISSN: | 1874-9380 1099-209X |
| DOI: | 10.1007/s12230-017-9627-8 |
| Popis: | Crop rotations can be used to optimize economic return by preserving or enhancing soil quality and reducing pest pressure. A field experiment consisting of six rotations of potato with canola (P-C), wheat (P-W), canola-wheat (P-C-W), oat-wheat (P-O-W), wheat-canola-wheat (P-W-C-W), and canola underseeded to alfalfa-alfalfa-alfalfa (P-C(A)-A-A) organized in a Randomized Complete Block Design was established on a clay loam soil in Manitoba, Canada and monitored for fourteen years to assess the relative economic performance of potato in each rotation. A stochastic budget based on returns and risk of returns trade-offs was used to determine each rotation’s profitability. While differences in average annual net income of all crops between rotations were not significant, the P-C-W rotation was the most stable. Despite the economic advantage of P-C in the first two cycles, longer P-C-W or P-C(A)-A-A rotations are recommended, as two-year rotations increase plant disease and decrease economic viability in the long run. |
| Databáze: | OpenAIRE |
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