نتایج جستجو برای: biomass per plant

تعداد نتایج: 853411  

Journal: :Ecological applications : a publication of the Ecological Society of America 2009
Paul R Adler Matt A Sanderson Paul J Weimer Kenneth P Vogel

Marginal croplands, such as those in the Conservation Reserve Program (CRP), have been suggested as a source of biomass for biofuel production. However, little is known about the composition of plant species on these conservation grasslands or their potential for ethanol production. Our objective was to assess the potential of CRP and other conservation grasslands for biofuel production, descri...

Journal: :علوم گیاهان زراعی ایران 0
علی نخزری مقدم محمدرضا چائی چی داریوش مظاهری حمید رحیمیان مشهدی ناصر مجنون حسینی عباسعلی نوری نیا

this experiment was carried out at agricultural research station of gorgan during summer 2006 to study the effects of corn and green gram intercropping on forage yield, and weed biomass. the experimental design was rcbd with twelve treatments and four replications. a local green gram and corn single cross 550 were the crops employed. the experimental treatments consisted of sole corn and sole g...

2015
Raphaël Proulx Guillaume Rheault Laurianne Bonin Irene Torrecilla Roca Charles A. Martin Louis Desrochers Ian Seiferling

Aboveground production in terrestrial plant communities is commonly expressed in amount of carbon, or biomass, per unit surface. Alternatively, expressing production per unit volume allows the comparison of communities by their fundamental capacities in packing carbon. In this work we reanalyzed published data from more than 900 plant communities across nine ecosystems to show that standing dry...

عبداللهی , محمد رضا, فرشادفر, عزت الله, موسوی, سید سعید, کاکایی, مهدی,

The current research was carried out to investigate grain yield and components and their genetic diversity and heritability of some important agronomic traits, in 19 chickpea genotypes, based on a randomized complete block design with 3 replications in Research Field of Bu-Ali Sina University, Hamadan, Iran in 2011-2012 growing seasons. The ANOVA results showed that, there were highly significa...

Journal: :بوم شناسی کشاورزی 0
پرویز رضوانی مقدم علی اصغر محمد آبادی روح الله مرادی

in order to understand the effect of plant density and different fertilizers on sesame (sesamum indicum l.) production, an experiment was conducted as a factorial arrangement based on completely randomized block design with three replications. the experimental treatments were fertilizers in four levels (cow manure (30 t.ha-1), municipal compost (30 t.ha-1), chemical fertilizer (250 kg ammonium ...

Sesame is an important oilseed crop in India. To determine potential traits and selection criteria for yield improvement, ninety sesame (Sesamum indicum L.) genotypes were studied in a randomized complete block design with three replications. The data collected on 13 characters were subjected to three different analyses. In variability analysis, high heritability was accompanied by a high genet...

Journal: :علوم گیاهان زراعی ایران 0
همایون کانونی دانشیار پژوهشی، بخش تحقیقات اصلاح و تهیة نهال و بذر، مرکز تحقیقات و آموزش کشاورزی و منابع طبیعی استان کردستان، سازمان تحقیقات، آموزش و ترویج کشاورزی، سنندج

the present investigation was carried out to study the variability, heritability, correlations and path coefficient analysis in 14 kabuli type chickpea genotypes during three successive cropping seasons (2011-14), in a randomized complete block design with four replications. combined analysis suggested significant differences between genotypes for most of characteristics. the highest phenotypic...

Journal: :crop breeding journal 2012
m. pouresmaeil r. khavari-nejad j. mozafari f. najafi f. moradi

drought is a major limiting factor for agricultural production in most parts of the world and landraces areimportant genetic resources for crop improvement in dry areas. during the 2007-2008 cropping season, 23 chickpea (cicer arietinum l.) genotypes consisting of 21 kabuli chickpea landraces provided by the national plant gene bank of iran and two known commercial varieties (hashem and arman) ...

2009
Wendy M. Mahaney

Human activities in terrestrial landscapes, such as agriculture or urban development, often result in stressors, which can subsequently alter wetland ecosystem properties and plant community development. A complication to our understanding of plant community responses to stressors is the variation in stressor impact across wetlands of different hydrogeomorphic (HGM) subclasses. HGM classificati...

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