نتایج جستجو برای: relative growth rate rgr

تعداد نتایج: 2001949  

Journal: :Indian Journal of Agronomy 2023

A field experiment was conducted during the winter (rabi) seasons of 2015–16 and 2016–17 at Punjab Agricultural University, Ludhiana, to study effect staggered sowing on growth indices, photosynthetic parameters productivity barley (Hordeum vulgare L.) in relation different cutting management. The laid out a split-plot design with 3 dates, viz. 15 October, 30 October November main plots 5 manag...

Journal: :American journal of botany 2012
Rebecca E Drenovsky Albina Khasanova Jeremy J James

PREMISE OF STUDY Functional trait comparisons provide a framework with which to assess invasion and invasion resistance. However, recent studies have found evidence for both trait convergence and divergence among coexisting dominant native and invasive species. Few studies have assessed how multiple stresses constrain trait values and plasticity, and no study has included direct measurements of...

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0
علی جعفری کارشناس ارشد زراعت/ دانشگاه پیام نوراستان تهران

in order reaching to occurate water regime in the condition of minimum tillage and its effect on the yield and yield component physiological index of rice varieties, a experiment had carried out the agronomey year of 2006-2007 in the research field of shavour station. the experiment had carried out in split-plot design some randomized complete block with three replication that contains three wa...

Journal: :بوم شناسی کشاورزی 0
خالد عیدی‏زاده عبدالمجید مهدوی دامغانی حسین صباحی سعید صوفی‏زاده

biofertilizers are natural inputs that can be applied as complement or substituent of chemical fertilizers in sustainable agriculture. effects of n and p bio- and chemical fertilizers on growth indices of maize (zea mays l.) was studied on 2008 in shushtar, iran, based an as a factorial experiment based on completely randomized block design with three replications. treatments consisted four lev...

2016
Xiaoyang Song Jieqiong Li Wenfu Zhang Yong Tang Zhenhua Sun Min Cao

Seasonal drought is a common phenomenon in many forests predominated by monsoon climate. The impact of seasonal drought, however, may vary with elevations, and tree species of forests hence may differ in their response to elevations. In this study, we monitored the seasonal variation of seedling species composition, and their relative growth rate (RGR) along an elevational transect in tropical ...

Journal: :Turkish journal of range and forage science 2021

We investigated the effects of fire, grass and acacia age on relative growth rate (RGR), neighbour effect (RNE), height biomass in greenhouse condition. The experiment was arranged a completely randomized design with 10 replicates. Grass shrubs were grown 17 weeks after establishment, thereafter, fire applied, observations done 16 later. Old tussock suppressed seedling sapling, but young facili...

2017
Jianbei Huang Michael Reichelt Somak Chowdhury Almuth Hammerbacher Henrik Hartmann

Phytohormones play important roles in plant acclimation to changes in environmental conditions. However, their role in whole-plant regulation of growth and secondary metabolite production under increasing atmospheric CO2 concentrations ([CO2]) is uncertain but crucially important for understanding plant responses to abiotic stresses. We grew winter wheat (Triticum aestivum) under three [CO2] (1...

Journal: :Pertanika journal of tropical agricultural science 2022

The high consumer demand in Indonesia encourages catfish farmers to conduct an intensive culture. A low feed efficiency mainly occurs cultivating Sangkuriang resulting poor growth. This condition might be caused by lysine content, as is essential amino acid that the fish cannot synthesize. present study aimed investigate effect of supplementation on protein digestibility, efficiency, and growth...

Journal: :Annals of Arid Zone 2023

The study was undertaken to evaluate the effect of foliar sulphur (S) nutrition through Ammonium Thiosulphate (ATS) under conservation management on growth, photosynthetic efficiency and productivity rainfed pearl millet in dryland ecologies New Delhi 2021 2022 crop years. established (ZTCRret) achieved significantly higher growth rate (CGR) relative (RGR) as a result improved photosynthesis te...

2014
Jelte Rozema Danny Cornelisse Yuancheng Zhang Hongxiu Li Bas Bruning Diana Katschnig Rob Broekman Bin Ji Peter van Bodegom

Salt tolerance of higher plants is determined by a complex set of traits, the timing and rate of evolution of which are largely unknown. We compared the salt tolerance of cultivars of sugar beet and their ancestor, sea beet, in hydroponic studies and evaluated whether traditional domestication and more recent breeding have changed salt tolerance of the cultivars relative to their ancestor. Our ...

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