Impact of different establishment methods in terms of tillage and weed management systems on biomass production of willow grown as short rotation coppice |
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| Affiliation: | 1. Centre for Agricultural Technology Augustenberg (LTZ), Kutschenweg 20, 76287 Rheinstetten-Forchheim, Germany;2. Institute of Crop Science, University of Hohenheim, 70599 Stuttgart, Germany;1. United States Department of Agriculture, Agricultural Research Service, Robert W. Holley Center for Agriculture and Health, 538 Tower Road, Ithaca, NY 14853, USA;2. Soil and Crop Sciences Section, School of Integrative Plant Science, Cornell University, Ithaca, NY 14853, USA;1. Dipartimento di Chimica e Chimica Industriale, University of Pisa, via Risorgimento 35, I-56126 Pisa, Italy;2. Scuola Normale Superiore, Piazza dei Cavalieri 7, I-56126 Pisa, Italy;3. Department of Basic Sciences and Fundamentals, University of Urbino, P.za Rinascimento 6, I-61029 Urbino, Italy;4. Dipartimento di Ingegneria Industriale, University of Florence, Via S. Marta 3, I-50139 Florence, Italy;1. Department of Applied Chemistry, Zhejiang Gongshang University, No. 149 Jiaogong Road, Hangzhou 310012, China;2. Department of Food Science and Human Nutrition, University of Florida, Bldg 475 Newell Drive, Gainesville, FL 32611, USA;3. School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310012, China;1. Departamento de Recursos Ambientales, Facultad de Ciencias Agronómicas, Universidad de Tarapacá, Arica, Chile;2. Departamento de Producción Agrícola, Facultad de Ciencias Agronómicas, Universidad de Tarapacá, Arica, Chile |
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| Abstract: | To date little information is available on methods including soil preparation and weed control in SRC. For this purpose, in 2010, a field trial with willow cv. ‘Tordis’ was established in southwest Germany. Three different tillage systems (mouldboard plough, chisel plough + ley crop, no-till) were implemented in the establishment year in combination with eight chemical and mechanical weed management systems. Over a period of three years, plant and weed specific parameters were collected to determine the effect of tillage systems and weed treatments on final biomass production of willow. The highest biomass yields were obtained by mouldboard plough with chemical weed control (14.0 Mg ha?1 dry matter) as well as by mouldboard plough with rotivation and band spraying of herbicides (14.2 Mg ha?1 dry matter), followed by 13.7 Mg ha?1 dry matter in no-till with broadcast application of herbicides. Chisel ploughing with ley crop led to lower willow yields in most weed treatments. It was assumed that chisel ploughing + ley crop would lead to a high competition for light, water and nutrients especially in the first year. Consequently, it is not recommended as an establishment method for willow. Additionally, mulching with wood chips and no weed management generally resulted in low biomass yields. Overall, the results suggest that the tillage system in combination with effective chemical or mechanical weed control is of major importance for the success of willow establishment. |
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| Keywords: | SRC Soil tillage Willow Mechanical and chemical weed control Biomass yield DBH"} {"#name":"keyword" "$":{"id":"kwrd0040"} "$$":[{"#name":"text" "_":"diameter at breast height 1 30 m SRC"} {"#name":"keyword" "$":{"id":"kwrd0050"} "$$":[{"#name":"text" "_":"Short Rotation Coppice |
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