نتایج جستجو برای: three mowing heights including 2

تعداد نتایج: 4125365  

2013
Howard Bodenhorn Timothy W. Guinnane Thomas A. Mroz Jeremy Edwards James Fenske Amanda Gregg

An extensive literature uses anthropometric measures, typically heights, to draw inferences about living standards in the past. This literature's influence reaches beyond economic history; the results of historical heights research appear as crucial components in development economics and related fields. The historical heights literature often relies on micro-samples drawn from sub-populations ...

Journal: :The Journal of nutrition 2016
Alok Bhargava

BACKGROUND Interactions between nutrition and infections in developing countries are complex, and analyses of the interrelations require data from longitudinal studies that span several years and a comprehensive framework facilitating the formulation of food and health policies. OBJECTIVE The effects of dietary intakes in the Philippines for birth outcomes, heights, weights, and morbidity dur...

Journal: :Remote Sensing 2014
Xiliang Ni Taejin Park Sungho Choi Yuli Shi Chunxiang Cao Xuejun Wang Michael A. Lefsky Marc Simard Ranga B. Myneni

The ultimate goal of our multi-article series is to demonstrate the Allometric Scaling and Resource Limitation (ASRL) approach for mapping tree heights and biomass. This third article tests the feasibility of the optimized ASRL model over China at both site (14 meteorological stations) and continental scales. Tree heights from the Geoscience Laser Altimeter System (GLAS) waveform data are used ...

Journal: :International Turfgrass Society research journal 2021

Athletic field managers often adjust agronomic practices according to the desires of coaches and athletes. One such practice adjusted is mowing height. In an attempt have athletes run faster, are persuaded reduce height, thereby reducing potential friction from surface on athlete. With newer bermudagrass [Cynodon datylon (L.) Pers.] hybrid dactylon Pers. × C. transvaalensis Burtt Davy] cultivar...

2000
Esther M. Arkin Sándor P. Fekete

We study the problem of finding shortest tours/paths for “lawn mowing” and “milling” problems: Given a region in the plane, and given the shape of a “cutter” (typically, a circle or a square), find a shortest tour/path for the cutter such that every point within the region is covered by the cutter at some position along the tour/path. In the milling version of the problem, the cutter is constra...

Journal: :Environmental management 2012
K W Davies J D Bates A M Nafus

Fires in mountain big sagebrush [Artemisia tridentata spp. vaseyana (Rydb.) Beetle] plant communities historically shifted dominance from woody to herbaceous vegetation. However, fire return intervals have lengthened with European settlement, and sagebrush dominance has increased at the expense of herbaceous vegetation in some plant communities. Management actions may be needed to decrease sage...

2001
Kenneth E. Guire

INTERVENTION AND MAIN OUTCOME MEASURES: We compared the responses of these older adults on a questionnaire battery used by the Established Populationls for the Epidemiologic Study of the Elderly (EPFSE) project, to performance on mobility tasks of graded difficulty. Responses to the EPESE battcry included: (1) whether assistance was required to perform seven Katz activities of daily living (ADL...

2000
Lee A. Vierling Carol A. Wessman

Photosynthetic photon flux density (PPFD) regimes within vegetation canopies are intrinsically heterogeneous in time and space. Photosynthesis responds to changes in the intensity and temporal variability of PPFD in a non-linear way. Therefore, it is important to quantify PPFD heterogeneity at short time scales in order to better understand and assess plant–atmosphere carbon exchange from the s...

Journal: :Atomic Data and Nuclear Data Tables 2021

We systematically determine ground-state and saddle-point shapes masses for 1305 heavy superheavy nuclei with $Z=98-126$ $N=134-192$, including odd-$A$ odd-odd systems. From these, we derive static fission barrier heights, one- two-nucleon separation energies, $Q_\alpha$ values g.s. to g.s transitions. Our study is performed within the microscopic-macroscopic method deformed Woods-Saxon single-...

Journal: :Atomic Data and Nuclear Data Tables 2021

We systematically determine ground-state and saddle-point shapes masses for 1305 heavy superheavy nuclei with $Z=98-126$ $N=134-192$, including odd-$A$ odd-odd systems. From these, we derive static fission barrier heights, one- two-nucleon separation energies, $Q_\alpha$ values g.s. to g.s transitions. Our study is performed within the microscopic-macroscopic method deformed Woods-Saxon single-...

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