منابع مشابه
Crop Growth Simulation Models
1. Introduction Systems approach has been used by engineers since the 1950's for the study of complex and dynamic processes but their use by scientists working in biological fields is relatively recent. A system is defined as any well delineated part of reality which may contain a number of interrelated elements forming the systems structure. These functioning components interact in various way...
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Crop yield is the result of complex interaction among factors of soil, atmosphere, plant genotype, and management practices adopted. These complex interactions of crop with various factors and of factors among themselves make the crop yield modeling a difficult task. Several methods of crop yield forecasting have been developed ranging from purely statistical to agro-meteorological to empirical...
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Crop models are powerful tools to test hypotheses, synthesize and convey knowledge, describe and understand complex systems and compare different scenarios. Models may be used for prediction and planning of production, in decision support systems and control of the greenhouse climate, water supply and nutrient supply. The mechanistic simulation of tomato crop growth and development is described...
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A direct spectroradiometric determination of the temperature of freezing gold was performed by measuring the spectral radiances of a gold blackbody relative to those of a laser-irradiated integrating sphere which was calibrated with absolute silicon detectors and an electrically calibrated radiometer. The measurements were performed at three laser wavelengths near 600 nm, and the temperature of...
متن کاملAngular Spectroradiometric Field Measurements for Precision Farming Purposes
Precision farming requires information about the present status of the vegetation canopy. Remote sensing products can provide such information. The general investigation approach is based on the evaluation of remotely sensed data by the inversion of physical backscatter models and coupled growth models. The presented paper describes the measurement strategy, developed for the establishment of a...
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ژورنال
عنوان ژورنال: Japanese Journal of Crop Science
سال: 1996
ISSN: 0011-1848,1349-0990
DOI: 10.1626/jcs.65.379