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Sirvi Autor "Misiewicz, P.A." järgi

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  • Pisipilt
    Kirje
    A conceptual framework for adoption of conservation agriculture in South Pacific Island countries
    (Estonian University of Life Sciences, 2026) Juttner-Melland, O.E.; Antille, D.L.; Monjardino, M.; Fulton, S.A.T.; Palmer, J.; Tacconi, F.; Misiewicz, P.A.; Barboza da Silva, R.
    There is an opportunity, and an urgent need, for transformational change of the current farming systems in South Pacific Island countries (SPIC) to improve soil security, and therefore food, nutrition and income security, and to better adapt to climate change. Tillage-based systems are dominant across some SPIC and reliance on tillage may increase if the use of broad-spectrum herbicides is banned. Increased reliance on tillage, or its inappropriate use in fragile soils, may exacerbate soil degradation processes and lead to increased food insecurity in the region. A potential solution to addressing these problems is conservation agriculture (CA), a regenerative and sustainable farming system that promotes minimum soil disturbance, the maintenance of permanent soil cover and diversification of crop species, and soil conservation. The drivers for and barriers against uptake of CA in SPIC are not fully understood nor are they well documented, which makes it difficult for policymakers to devise effective measures and implement strategies for increased adoption. A conceptual framework to represent CA adoption in the SPIC context is proposed. The framework combined the ADOPT modelling tool (which predicted the time taken to adopt CA and the peak adoption level) with a Strengths, Weaknesses, Opportunities, and Threats (SWOT) analysis (which synthetised present state and future potential based on expert knowledge and a literature review of CA). ADOPT modelling predicted that 45% peak adoption of CA would be reached after 23 years; however, removing key barriers to adoption could increase uptake to 62% and accelerate it by 13.2 years, reducing the timeframe to fewer than 10 years. Hence, the importance of developing policymakers and leaders’ awareness and understanding of the benefits of CA to facilitate capacity building and drive CA adoption. The developed framework can be tailored for specific target audiences, including policymakers, and research and extension officers, to inform a pathway for long-term CA adoption.
  • Pisipilt
    Kirje
    Controlled traffic farming delivers better crop yield of winter bean as a result of improved root development
    (2019) Kaczorowska–Dolowy, M.; Godwin, R.J.; Dickin, E.; White, D.R.; Misiewicz, P.A.
    This paper reports on the continuation of a long–term experiment on the effects of alternative field traffic systems (STP–random traffic with standard tyre inflation pressure, LTP– random traffic with low tyre inflation pressure and CTF–controlled traffic farming) on soil conditions and crop development as influenced by different tillage depths (DEEP–250 mm, SHALLOW–100 mm and ZERO–tillage), in a randomised 3 x 3 factorial design in 4 replicates launched by Harper Adams University in Edgmond, UK, in 2011. The results from season 2017– 2018 revealed that CTF delivered 8% higher crop yield of winter field bean (Vicia faba) cv. Tundra comparing to STP (p = 0.005), i.e. 4.13 vs 3.82 tonnes ha-1 respectively (at 14% moisture content). The ZERO–tillage plots featured significantly lower plant establishment percentage comparing to shallow and deep tillage: 79% vs 83% and 83% respectively (p = 0.012). The research showed that roots traits differed significantly between contrasting traffic at depths greater than 50mm with p < 0.05 of: tap root biomass, number of lateral roots, biomass of lateral roots as well as total root biomass (tap+lateral roots), delivering significantly greater values of those before mentioned parameters on CTF comparing to STP. Tap root length significantly differed between traffic systems (p < 0.001) giving significantly greater results on CTF comparing to LTP and STP (17.7, 13.4 and 12.6 mm respectively). Significant differences in tap root diameter were found only at the depth of 100 mm (p < 0.001) where again CTF delivered significantly higher root diameter than the remaining 2 traffic systems. In the shallow layer of soil (0–50 mm) a significant difference was found only for tap root biomass, for interactions, where STP ZERO gave significantly higher results than STP SHALLOW and CTF SHALLOW (1.430, 0.733 and 0.716 g respectively).
  • Pisipilt
    Kirje
    Review: Soil compaction and controlled traffic farming in arable and grass cropping systems
    (2019) Antille, D.L.; Peets, S.; Galambošová, J.; Botta, G.F.; Rataj, V.; Macak, M.; Tullberg, J.N.; Chamen, W.C.T.; White, D.R.; Misiewicz, P.A.; Hargreaves, P.R.; Bienvenido, J.F.; Godwin, R.J.
    There is both circumstantial and direct evidence which demonstrates the significant productivity and sustainability benefits associated with adoption of controlled traffic farming (CTF). These benefits may be fully realised when CTF is jointly practiced with no-tillage and assisted by the range of precision agriculture (PA) technologies available. Important contributing factors are those associated with improved trafficability and timeliness of field operations. Adoption of CTF is therefore encouraged as a technically and economically viable option to improve productivity and resource-use efficiency in arable and grass cropping systems. Studies on the economics of CTF consistently show that it is a profitable technological innovation for both grassland and arable landuse. Despite these benefits, global adoption of CTF is still relatively low, with the exception of Australia where approximately 30% of the grain production systems are managed under CTF. The main barriers for adoption of CTF have been equipment incompatibilities and the need to modify machinery to suit a specific system design, often at the own farmers’ risk of loss of product warranty. Other barriers include reliance on contracting operations, land tenure systems, and road transport regulations. However, some of the barriers to adoption can be overcome with forward planning when conversion to CTF is built into the machinery replacement programme, and organisations such as ACTFA in Australia and CTF Europe Ltd. in Central and Northern Europe have developed suitable schemes to assist farmers in such a process.