photosynthetically active radiation
Transmittance of young Norway spruce stand canopy for photosynthetically active radiation during the growing season
... Analysis of transmittance of young Norway spruce stand canopy for photosynthetically active radiation (PAR) was made at the study site of Bílý Kříž (the Moravian-Silesian Beskids Mts., the Czech ...
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Global radiation, photosynthetically active radiation, and the diffuse component dataset of China, 1981–2010
... Solar radiation, especially photosynthetically active radiation (PAR), is the main energy source of plant photosynthesis, and the diffuse component can enhance canopy light use efficiency, ...
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Light Meter for Measuring Photosynthetically Active Radiation
... of photosynthetically active radiation (PAR) incident on pho- tosynthetic organisms is a crucial measurement for understanding how or- ganisms respond to various light conditions, and for calculating ...
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Development of a semi-parametric PAR (Photosynthetically Active Radiation) partitioning model for the United States, version 1.0
... Photosynthetically active radiation (PAR) is the ...1972). Photosynthetically active radiation at the ground surface has two primary in- coming streams, diffuse and direct, which ...
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Comparison of a regional-level habitat index derived from MERIS and MODIS estimates of canopy-absorbed photosynthetically active radiation
... absorbed photosynthetically active radiation (or fAPAR) intercepted by vegetation, which is analogous to greenness cover (Harestad and Bunnell 1979, Nilsen et ...
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Greenhouse gas emissions from the energy crop oilseed rape (Brassica napus); the role of photosynthetically active radiation in diurnal N2O flux variation
... of photosynthetically active radiation (PAR) inside and outside of the chamber using two matched PAR sensors (SKP 215, Skye Instruments, Powys, Wales, UK) attached to a data logger (GP1, Delta-T ...
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Adaptive Neuro-Fuzzy Inference System integrated with solar zenith angle for forecasting sub-tropical photosynthetically active radiation
... solar radiation have been used to develop radiative transfer equations (Qin, Yang, Liang, & Tang, 2012; Wang et ...solar radiation data (Guofeng, Leeuw, Skidmore, Yaolin, & Prins, 2010; Sudhakar, ...
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MODELLING PHOTOSYNTHETICALLY ACTIVE RADIATION: A REVIEW
... * These models use the solar zenith angle and clearness index as input parameters, and thus need only global irradiance measurements usually registered in most. 424[r] ...
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Comparative Performance Evaluation of Cool Season Vegetables under Poly house Structure and in Open field
... Abstract:- An investigation on evaluation of cool season vegetables such as cabbage and cauliflower with respect to vegetative and yield parameters was carried out under naturally ventilated poly house and in open field ...
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A novel method of supplying nutrients permits predictable shoot growth and root: shoot ratios of pre transplant bedding plants
... Daily Nconc required in irrigation solution to meet Ndemand Photosynthetically active radiation Values averaged over a week Value refers to the specific crop species Indicates the value [r] ...
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EFFECT OF SOWING DATE ON CANOPY DEVELOPMENT, LIGHT INTERCEPTION, LIGHT USE EFFICIENCY AND GRAIN YIELD IN BRASSICA CAMPESTRIS AND BRASSICA JUNCEA
... A linear relationship between cumulative intercepted photosynthetically active radiation and dry matter showed that both species produced about 1.1 g of above ground dry matter [r] ...
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Forest regeneration under standards of pedunculate oak (Quercus robur L.)
... Similarly as many other countries, the Czech Re- public fears the natural regeneration of pedunculate oak (Quercus robur L.) because seedlings emerging under the parent stand are dying. Reasons to the die- back may be ...
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Sapflow characteristics of mangrove Avicinia marina and its affecting factors in Zhangjiang estuary
... of photosynthetically active radiation (PAR) and vapor pressure deficit (VPD,) but time lag between sapflow and PAR as well as VPD in both a wet month (summer) and a dry month (winter) are discussed ...
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Grain Yield Differences of Soybean Cultivars Due to Solar Radiation Interception
... solar radiation use ...solar radiation in order to have increment in carbon fixation and reflection on growth and ...the photosynthetically active radiation interception by the canopy, ...
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Radiation capture and conversion efficiencies of Miscanthus sacchariflorus, Miscanthus sinensis and their naturally occurring hybrid Miscanthus x giganteus
... intercepted photosynthetically active radiation (iPAR) in the growing season using (i) k, (ii) variation in the thermal responses of leaf expansion rate, (iii) base temperature for degree days and ...
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Using Acacia as a nurse crop for re establishing native tree species plantation on degraded lands in Vietnam
... Understanding how H. odorata alters its architectural traits and growth rate in response to changing light environments is essential when designing and manipulating mixed-species plantations containing this species. ...
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Yield, Water Use Efficiency and Physiological Characteristic of “Tommy Atkins” Mango under Partial Rootzone Drying Irrigation System
... This study was conducted to evaluate the yield, water use efficiency and physiologic characteris- tics of “Tommy Atkins” mango under partial rootzone drying. The experiment was carried out in an orchard of mango in the ...
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Simultaneous assessment of photosynthetically active and ultraviolet solar radiation
... solar radiation affecting photosynthesis in the visible and ultraviolet wavebands in plant canopies has been developed and ...For photosynthetically active radiation (PAR), the dosimeter was ...
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Plant Fluorescence Measured under Two Extreme Lighting Conditions Using a Passive Spectroradiometer
... F yield or SIF yield , an estimate of the absorbed photosynthetically active radiation (APAR) is required 211R. for each observation [30-32].[r] ...
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Light Use Efficiency of Aboveground Biomass Production of Norway Spruce Stands
... Photosynthetically active radiation incident on the stand canopy (PARi) was measured with the Quantum Sensor LI‑190S (LI‑COR, USA) at the study site of Bílý Kříž and with the Quantum Sensor EMS 12 ...
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