Results 81 to 90 of about 159,234 (280)

Seasonal Sap Flow Dynamics in Larix sibirica Trees Growing in the Krasnoyarsk Forest-Steppe [PDF]

open access: yesЖурнал Сибирского федерального университета: Серия Биология, 2018
Seasonal dynamics of sap flow in the stems of two Siberian larch trees (Larix sibirica Ledeb.) with different radial growth rates were analyzed. The trees grew nearby Pogorelsky Bor research station of Institute of Forest, SB RAS (Krasnoyarsk forest ...
Anna V. Benkova   +3 more
doaj  

Measurement of transpiration in Pinus taeda L. and Liquidambar styraciflua L. in an environmental chamber using tritiated water [PDF]

open access: yes
Transpiration rates of loblolly pine (Pinus taeda L.) and sweetgum (Liquidambar styraciflua L.) were measured at two different atmospheric water vapor pressure deficits (V.P.D.) in a controlled environment growth chamber using tritiated water as a tracer.
Czoch, J. K.   +2 more
core   +1 more source

Postharvest characteristics of cut flowers of selected members of the family Myrtaceae : a thesis presented in fulfilment of the requirements for the degree of Master of Philosophy at Massey University, New Zealand [PDF]

open access: yes, 1999
Stages of floral development were described for Eucalyptus ficifolia and Metrosideros collina 'Tahiti' flowers (Myrtaceae) attached and detached from plants.
Sun, Jian
core  

An Ultra‐Low‐Power and High‐Temperature‐Homogeneity Wafer‐Scale Infrared Source

open access: yesENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
A wafer‐scale MEMS infrared source with an Al@nanoforest radiation layer achieves high emissivity and temperature homogeneity at low power, enabling efficient CO2 detection for smart agriculture. Non‐dispersive infrared gas sensors, renowned for their high selectivity and high reliability, are extensively employed in applications of smart agriculture ...
Qirui Zhang   +9 more
wiley   +1 more source

FUNCTION OF HYDRAULIC AND CHEMICAL WATER STRESS SIGNALIZATION IN EVALUATION OF DROUGHT RESISTANCE OF JUVENILE PLANTS [PDF]

open access: yesJournal of Central European Agriculture, 2002
In laboratory hydroponic experiments with spring barley genotypes the juvenile plants with 5 leaves were tested for their physiological responses to osmotic stress evoked by blocking the water uptake in roots by polyethylenglycol (PEG-6000) and to ...
K OLŠOVSKÁ, M BRESTIČ
doaj  

‘Incoherence Is, in a Way, a Choice’: The Production of Policy Coherence at the Intersection of Uruguay's Agricultural, Environmental and Water Policies

open access: yesEnvironmental Policy and Governance, EarlyView.
ABSTRACT This study explores the production of coherence between Uruguay's agricultural, environmental and water policies amidst growing tensions, which are particularly manifested in conflicts between an expanding agricultural sector and water insecurity for the broader public.
Simon Ryfisch   +7 more
wiley   +1 more source

Measurement of sap flow dynamics through the tomato peduncle using a non-invasive sensor based on the heat field deformation method [PDF]

open access: yes, 2013
Recent contradicting evidence on the contributions of xylem and phloem to tomato fruit growth highlights the need for a more thorough insight into the dynamics of sap flow through the tomato peduncle. In fact, knowledge on sap flow dynamics through small
De Swaef, Tom   +3 more
core   +1 more source

Experimental and Theoretical Investigation on the Progressive Breaking Law of Thick and Hard Rock Strata in Deep Mining

open access: yesEnergy Science &Engineering, EarlyView.
This work reveals the “C‐Y,” double “Y,” “π,” and “Y” fracture modes of thick, hard strata and their progressive breaking process (O‐F‐R/S mode), providing a theoretical basis for controlling strong ground pressure in deep mining. ABSTRACT In response to the dynamic hazards caused by the fracture of thick‐hard strata in deep mining, this study ...
Meilu Yu, Jianping Zuo
wiley   +1 more source

Machine Learning‐Driven Classification and Production Capacity Prediction of Tight Sandstone Reservoirs: A Case Study of the Taiyuan Formation, Ordos Basin

open access: yesEnergy Science &Engineering, EarlyView.
On the basis of core and log data, a Bayesian‐Optimized Random Forest model achieved 92.76% accuracy in classifying tight sandstone reservoirs. A gray relational analysis‐derived evaluation index shows > 80% consistency with actual gas zones. ABSTRACT Tight sandstone gas (TSG), an unconventional oil–gas resource, has heterogeneous reservoirs ...
Yin Yuan   +8 more
wiley   +1 more source

Plant Water Status Indicators for Irrigation Scheduling Associated with Iso- and Anisohydric Behavior: Vine and Plum Trees

open access: yesHorticulturae, 2017
Plant water status indicators have been increasingly used for scheduling irrigation. Different variables may be used to do this, depending on personal preferences and the resources available.
Fernando Blanco-Cipollone   +6 more
doaj   +1 more source

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