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Purpose Challenges in sustainable development envisioned in the European Union for the agricultural sector require innovation to raise the efficiency of production and safety of farming processes for farmers and ensure food safety for consumers. One of the key productivity factors in plant production is effective weeding. The WeLASER project aimed to develop a high-power autonomous vehicle with lasers to control weeds. To be sustainable, the invention should have a high environmental performance in the whole life cycle perspective, including its production, use in agriculture, and end-of-life phase. In the publication, a life cycle assessment (LCA) of the WeLASER weeding robot is presented. The aim was to identify weak and strong aspects of the invention in environmental terms and provide suggestions for its improvement. Methods The machinery was characterized based on technical data provided by the developers, relevant literature, Ecoinvent 3.8 database, and own calculations. The quantitative assessment of environmental impacts was performed using the Simapro tool. For interpretation Recipe 2016 method (egalitarian perspective) was applied. Results The results show that the energy issue related to autonomous laser-based weeding machine operations is the most challenging. It is related to impacts on climate change indicators and fossil fuel depletion. Production phase is characterized with impacts on human toxicity and is related to extensive application of electronic and electric components in the robot. Conclusion In comparison with other weeding techniques, the high-power autonomous vehicle with lasers to control weeds shows potential for environmentally efficient use of the machinery in practice. Achieving high performance in the life cycle perspective requires improvements in the design, operational features, and smart application in agricultural practice enhanced through expertise, guidance, and advice.
Purpose Challenges in sustainable development envisioned in the European Union for the agricultural sector require innovation to raise the efficiency of production and safety of farming processes for farmers and ensure food safety for consumers. One of the key productivity factors in plant production is effective weeding. The WeLASER project aimed to develop a high-power autonomous vehicle with lasers to control weeds. To be sustainable, the invention should have a high environmental performance in the whole life cycle perspective, including its production, use in agriculture, and end-of-life phase. In the publication, a life cycle assessment (LCA) of the WeLASER weeding robot is presented. The aim was to identify weak and strong aspects of the invention in environmental terms and provide suggestions for its improvement. Methods The machinery was characterized based on technical data provided by the developers, relevant literature, Ecoinvent 3.8 database, and own calculations. The quantitative assessment of environmental impacts was performed using the Simapro tool. For interpretation Recipe 2016 method (egalitarian perspective) was applied. Results The results show that the energy issue related to autonomous laser-based weeding machine operations is the most challenging. It is related to impacts on climate change indicators and fossil fuel depletion. Production phase is characterized with impacts on human toxicity and is related to extensive application of electronic and electric components in the robot. Conclusion In comparison with other weeding techniques, the high-power autonomous vehicle with lasers to control weeds shows potential for environmentally efficient use of the machinery in practice. Achieving high performance in the life cycle perspective requires improvements in the design, operational features, and smart application in agricultural practice enhanced through expertise, guidance, and advice.
Gomphrena globosa L. is a weed threatening important crops like wheat, maize, rice, sugarcane, and cotton. It competes with these crops for resources such as water, minerals, and nutrients, reducing crop yield. To address this problem, a study was conducted to examine the characteristics of Gomphrena globosa in three environments. The findings showed a positive relationship between traits studied, including height, weight (dry and fresh), leaf area, leaf length, width, and root length. Interestingly, the plant leaves' width stood out as the factor contributing to its overall height. Location two was identified as favorable for the growth and development of Gomphrena globosa plants. To minimize losses in crop yield caused by this weed species, removing or controlling Gomphrena globosa populations is recommended while emphasizing effective population management techniques.
Chenopodium murale, a significant weed in wheat, maize, rice, sugarcane, and cotton fields, poses a substantial threat to crop plants due to its competitive nature for water, minerals, and nutrients, leading to significant yield losses. To address this issue, a prescribed study was conducted to assess the morphological traits of Chenopodium murale under three different environmental locations. The results revealed a positive and significant correlation among several study traits: height, dry weight, fresh weight, inflorescence fresh weight, leaf area, leaf length, leaf width, and root length. Notably, plant leaf width emerged as the most influential trait contributing to the plant's height. Furthermore, the study identified location three as an exceptionally favorable environment for the robust growth and development of Chenopodium murale plants. To mitigate potential yield losses in crop plants, the study recommends the timely removal or control of Chenopodium murale, emphasizing the importance of managing its population effectively.
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