نتایج جستجو برای: growth degree days gdd
تعداد نتایج: 1402068 فیلتر نتایج به سال:
IMPORTANCE Control of intraocular pressure after implantation of a glaucoma drainage device (GDD) depends on the porosity of the capsule that forms around the plate of the GDD. OBJECTIVE To compare capsular porosity after insertion of 2 different GDDs using a novel implant and measurement system. DESIGN, SETTING, AND SUBJECTS We performed an experimental interventional study at an eye resea...
Negative trends in the monthly MODerate resolution Imaging Spectroradiometer (MODIS) Enhanced Vegetation Index (EVI) time-series were found to be widespread in natural (non-cropland) ecosystems of the eastern United States from 2000 to 2010. Four sub-regions were detected with significant declines in summed growing season (May-September) EVI, namely the Upper Great Lakes, the Southern Appalachi...
Commercial floriculture is an emerging profitable agro industry in the world with great demand of cut flowers but a constraint to regulate supply for longer duration markets. The off-season plucked get better price, as glut during peak season affects profits. This could be achieved by cultivating varieties over wide range planting times which demands evaluation varietal performance under differ...
Polarization and modal birefringence of elliptical-core two-mode fibers are investigated. Wavelengths corresponding to zero group delay difference (GDD) between the two spatial modes and between the orthogonal polarizations are computed when the fiber parameters, i.e., the relative core/cladding index difference and the ratio of major over minor axis, are varied. Simple relationships between th...
A field experiment was conducted to study the effects of different sowing schedules and planting geometry on yield productivity Indian mustard (Brassica juncea L.) var. Giriraj. Among schedules, crop 2nd decade October found produce significantly higher seed biological yield. The early recorded values utilization accumulation various agromet indices like growing degree days (GDD), helio-thermal...
To prevent infestation of highbush blueberries by fruitworms, growers employ pheromone-baited traps to monitor adult moths and apply insecticides to fields at risk from infestation by the larvae of these pests. However, there are increasing restrictions on availability of broad-spectrum insecticides and monitoring traps have not been used to predict optimal timing of controls for these species ...
Whole!plant responses to elevated CO1 throughout the life cycle are needed to understand future impacts of elevated atmospheric CO1[ In this study\ Triticum aes! tivum L[ leaf carbon exchange rates "CER# and carbo! hydrates\ growth\ and development were examined at the tillering\ booting\ and grain!_lling stages in growth chambers with CO1 concentrations of 249 "ambient# or 699 "high# mmol mol[...
We propose and experimentally demonstrate a microwave photonic integrator based on a multichannel fiber Bragg grating (FBG) working in conjunction with a dispersion compensating fiber (DCF) to provide a step group delay response with no in-channel dispersion-related distortion. The multichannel FBG is designed based on the spectral Talbot effect, which provides a large group delay dispersion (G...
The potential yields of Jenguma soybean (110 calendars days) a medium maturity variety recommended for northern Ghana were simulated using the AquaCrop model with daily climatic data taken from the Wa Meteorological Station. The climate was delineated to be the only constraint limiting the potential yields with the soil serving only as a reservoir to store the rainfall while other factors affec...
Field investigation was carried out during winter 2022 at Tamil Nadu Agricultural University, Coimbatore to study the phenological behaviour and yield of baby corn (Zea mays L.) as influenced by heat units. The split-plot design consisting three dates sowing viz., D1 – 21st January, D2 5th February D3 20th a main plot spacing 60x45 cm (S1), 60x30 (S2) 60x20 (S3) sub adopted replicated thrice. G...
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