Search Results - "Kjelgren, Roger"
-
1
Response of essential oil hemp (Cannabis sativa L.) growth, biomass, and cannabinoid profiles to varying fertigation rates
Published in PloS one (29-07-2021)“…Five essential oil hemp ( Cannabis sativa L.) cultivars (Cherry Blossom, Cherry Blossom (Tuan), Berry Blossom, Cherry Wine, and Cherry Blossom × Trump) were…”
Get full text
Journal Article -
2
Response of stomatal density and bound gas exchange in leaves of maize to soil water deficit
Published in Acta physiologiae plantarum (01-01-2015)“…Stomatal behavior in response to drought has been the focus of intensive research, but less attention has been paid to stomatal density. In this study,…”
Get full text
Journal Article -
3
Plant growth and phytoactive alkaloid synthesis in kratom [Mitragyna speciosa (Korth.)] in response to varying radiance
Published in PloS one (26-04-2022)“…Leaves harvested from kratom [Mitragyna speciosa (Korth.)] have a history of use as a traditional ethnobotanical medicine to combat fatigue and improve work…”
Get full text
Journal Article -
4
Peach yield and fruit quality is maintained under mild deficit irrigation in semi-arid China
Published in Journal of Integrative Agriculture (01-05-2017)“…We conducted a two-year study of deficit irrigation impact on peach yield and quality in semi-arid northwest China. Over two years, four-year-old peach trees…”
Get full text
Journal Article -
5
Effects of Nutrient Fertility on Growth and Alkaloidal Content in Mitragyna speciosa (Kratom)
Published in Frontiers in plant science (21-12-2020)“…Leaves harvested from the Southeast Asian tree (kratom) have a history of use as a traditional ethnobotanical source of medicine to combat fatigue, improve…”
Get full text
Journal Article -
6
Variation in Hydric Response of Two Industrial Hemp Varieties (Cannabis sativa) to Induced Water Stress
Published in Horticulturae (01-03-2023)“…Information on industrial hemp (Cannabis sativa) water use and water stress is sparse. We studied water stress impact in two essential-oil hemp cultivars…”
Get full text
Journal Article -
7
Effects of soil water and nitrogen availability on photosynthesis and water use efficiency of Robinia pseudoacacia seedlings
Published in Journal of environmental sciences (China) (01-03-2013)“…The efficient use of water and nitrogen (N) to promote growth and increase yield of fruit trees and crops is well studied. However, little is known about their…”
Get full text
Journal Article -
8
Anisohydric water use behavior links growing season evaporative demand to ring-width increment in conifers from summer-dry environments
Published in Trees (Berlin, West) (01-06-2018)“…Key message Compared to isohydric Pinaceae, anisohydric Cupressaceae exhibited: (1) a threefold larger hydroscape area; (2) growth at lower pre-dawn water…”
Get full text
Journal Article -
9
Variations in mitragynine content in the naturally growing Kratom (Mitragyna speciosa) population of Thailand
Published in Frontiers in plant science (27-10-2022)“…We analyzed the content of mitragynine (MG) found in kratom leaves ( Mitragyna speciosa ) and the influence of different environmental conditions (air and soil…”
Get full text
Journal Article -
10
Yields, phenolic profiles and antioxidant activities of Ziziphus jujube Mill. in response to different fertilization treatments
Published in Molecules (Basel, Switzerland) (27-09-2013)“…Increasing demand for more jujube (Ziziphus jujube Mill.) production requires understanding the specific fertilization needs of jujube trees. This study was…”
Get full text
Journal Article -
11
Urban green space, street tree and heritage large tree assessment in Bangkok, Thailand
Published in Urban forestry & urban greening (01-08-2008)“…Three inventories were conducted to quantify Bangkok's green infrastructure for future planning and improvement in the context of a seasonal monsoonal dry…”
Get full text
Journal Article -
12
Plant species vulnerability to climate change in Peninsular Thailand
Published in Applied geography (Sevenoaks) (01-07-2011)“…The objective of this research study was to evaluate the consequences of climate change on shifts in distributions of plant species and the vulnerability of…”
Get full text
Journal Article -
13
Potential variables forcing litterfall in a lower montane evergreen forest using Granger and superposed epoch analyses
Published in Ecosphere (Washington, D.C) (01-06-2023)“…The interplay between long‐term environmental variability and litterfall is complex and through this study, we quantified the response of peak leaf, flower,…”
Get full text
Journal Article -
14
Water use and drainage of subtropical, mixed landscapes varies with turf coverage and season
Published in City and environment interactions (01-08-2021)“…We conducted a three-year drainage lysimeter study of mixed (woody plant-turf) landscape water demand relative to reference evapotranspiration, drainage, and…”
Get full text
Journal Article -
15
Magnolia and Viburnum Plant Factors at Different Growing Seasons and Allowed Depletion Levels in a Monsoonal Climate
Published in Water (Basel) (01-07-2021)“…We investigated seasonal water use, growth and acceptable root-zone water depletion levels to develop tools for the more precise irrigation of two Southeast…”
Get full text
Journal Article -
16
Daily Water Requirement of Container Grown Davallia bullata and Nephrolepis exaltata and Implication in Irrigation Practices
Published in Water (Basel) (01-08-2020)“…Container crop production has become increasingly popular, but daily water requirements of those crops from transplanting to marketable or harvestable stages…”
Get full text
Journal Article -
17
A 576-Year Weber River Streamflow Reconstruction from Tree Rings for Water Resource Risk Assessment in the Wasatch Front, Utah
Published in Journal of the American Water Resources Association (01-10-2014)“…We present a 576‐year tree‐ring‐based reconstruction of streamflow for northern Utah's Weber River that exhibits considerable interannual and decadal‐scale…”
Get full text
Journal Article -
18
Interactive Effects of Water and Fertilizer on Yield, Soil Water and Nitrate Dynamics of Young Apple Tree in Semiarid Region of Northwest China
Published in Agronomy (Basel) (01-07-2019)“…Exploring the interactive effect of water and fertilizer on yield, soil water and nitrate dynamics of young apple tree is of great importance to improve the…”
Get full text
Journal Article -
19
Assessing the Cooling and Air Pollution Tolerance among Urban Tree Species in a Tropical Climate
Published in Plants (Basel) (01-11-2022)“…We present the results of classifying plants at species level that can tolerate air pollution, provide cooling, and simultaneously survive and thrive in urban…”
Get full text
Journal Article -
20
Key Plant, Key Pests: Baldcypress (Taxodium distichum)
Published in EDIS (26-06-2018)“…This series of Key Plant, Key Pests publications are designed for Florida gardeners, horticulturalists and landscape professionals to help identify common…”
Get full text
Journal Article