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Data analysis --- Data analysis --- Statistical methods --- Statistical methods --- Linear models --- Linear models --- Analysis of variance --- Analysis of variance --- Simulation models --- Simulation models

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Spatial distribution --- Geographical distribution --- multipurpose trees --- Climatic change --- ecology --- Simulation models --- Dynamic models --- Africa

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Biology --- Biologie --- Mathematical models. --- Modèles mathématiques --- Basic Sciences. Mathematics --- Mathematical Models, Simulation Models. --- Modèles mathématiques

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In the pursuit for a sustainable agricultural production respecting ecological, social and economic values, modern farmers are well aware of the importance of a correct and precise fertiliser application. Indeed, non-uniform spread patterns can cause extra pressure on the environment and might result in economic losses for the farmer. Because of the higher price of pneumatic fertiliser spreaders and the limited working width of pendulum spreaders, centrifugal spreaders are most commonly used in Europe. Although the centrifugal spreading mechanism is simple, the process is hard to control and can lead to a deviation between the desired and the actual fertiliser distribution in the field. This non-uniform application can have several causes: the behavior of the operator, the properties of the fertiliser, the settings of the machinery and external conditions like the unevenness of the field or the wind.Even though farmers realize the importance of a precise fertilising, most of them cannot adapt the settings of the spreader to improve the pattern uniformity.

Évaluation des technologies --- Technology assessment --- Distributeur d'engrais --- Fertilizer distributors --- Fertilisation --- Fertilizer application --- Matériel de fertilisation --- Fertilizer equipment --- Modèle de simulation --- Simulation models --- Academic collection --- Theses

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"This rigorous yet accessible text introduces the key physical and biochemical processes involved in plant interactions with the aerial environment. It is designed to make the more numerical aspects of the subject accessible to plant and environmental science students, and will also provide a valuable reference source to practitioners and researchers in the field. The third edition of this widely recognised text has been completely revised and updated to take account of key developments in the field. Approximately half of the references are new to this edition and relevant online resources are also incorporated for the first time. The recent proliferation of molecular and genetic research on plants is related to whole plant responses, showing how these new approaches can advance our understanding of the biophysical interactions between plants and the atmosphere. Remote sensing technologies and their applications in the study of plant function are also covered in greater detail"--

Plant and Crop Sciences. Botany --- Basic Sciences. Mathematics --- Vegetation and climate --- Plant-atmosphere relationships --- Plant ecophysiology --- Science --- Plant Physiology. --- Mathematical Models, Simulation Models. --- Mathematical models. --- Life Sciences --- Botany. --- Biomathematics. Biometry. Biostatistics --- Plant ecology. Plant sociology --- Plant physiology. Plant biophysics --- Plantes --- Relations plante-atmosphère --- Effets des conditions météorologiques --- Modèles mathématiques --- Écophysiologie --- Modèles mathématiques.