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首页> 外文期刊>Biosystems Engineering >Modelling and evaluation of productivity and economic feasibility of a combined production of tomato and algae in Dutch greenhouses.
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Modelling and evaluation of productivity and economic feasibility of a combined production of tomato and algae in Dutch greenhouses.

机译：对荷兰温室番茄和藻类联合生产的生产率和经济可行性进行建模和评估。

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摘要

Combination of production of algae and tomato increases efficient use of available resources of greenhouse enterprises, such as controlled environment, water and nutrients, carbon dioxide, greenhouse space and infrastructure and knowledge. No information is available, however, about the potential productivity and related costs of a combined tomato and algae production in Dutch greenhouses. The objective was to determine the algae productivity in tubular photobioreactors (PBRs) and the economic feasibility of combined production of tomato and algae in Dutch greenhouses. A model was developed to predict greenhouse climate from outside climate, to predict tomato and algae biomass production and to analyse scenarios of different locations and dimensions of tubular PBR in the greenhouse with regard to algae productivity and cost price of algae production. The results show that algal productivity is low if PBRs are installed under a tomato crop due to limited light levels. Areal algal productivity was calculated to be 5-6.5 kg DM m-2 if PBRs are installed in a separate greenhouse compartment next to tomato. In this case the minimum cost prices of algae production was calculated to be Euro11 kg-1 DM algae, which give perspectives for the future. The proposed model is important because it gives insight into the feasibility of algae and tomato production in Dutch greenhouses. This novel model approach and the scenario results provide better knowledge about the potential productivity and related costs and returns of algae production in greenhouses.
机译：藻类和番茄的生产结合可以有效利用温室企业的可用资源，例如受控环境，水和养分，二氧化碳，温室空间以及基础设施和知识。但是，没有有关荷兰温室中番茄和藻类生产的潜在生产力和相关成本的信息。目的是确定管状光生物反应器（PBR）中的藻类生产力以及在荷兰温室中联合生产番茄和藻类的经济可行性。建立了一个模型，以从外部气候预测温室气候，预测番茄和藻类生物量的生产，并就藻类生产率和藻类生产成本价格分析温室中管状PBR不同位置和尺寸的情况。结果表明，由于光量有限，如果将PBR安装在番茄作物下，则藻类生产力较低。如果将PBR安装在靠近番茄的独立温室中，则区域藻类生产力为5-6.5 kg DM m -2 。在这种情况下，藻类生产的最低成本价格经计算为Euro11 kg -1 DM藻类，这为未来提供了前景。提议的模型很重要，因为它可以洞察荷兰温室中藻类和番茄生产的可行性。这种新颖的模型方法和情景结果可提供有关温室中藻类生产的潜在生产力以及相关成本和回报的更好的知识。

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