نتایج جستجو برای: spike per unit area

تعداد نتایج: 1321917  

ژورنال: علوم آب و خاک 2008
ارزانی, احمد , فراهانی , الهام ,

  An experiment was conducted to investigate the heterosis in 12 F1 hybrids of durum wheat using agronomic and morphological traits. Parents were selected according to the estimated genetic distances based on the results of a two-year field experiment, which were then crossed to produce F1 hybrids. Twenty-three genotypes (including 11 parents and 12 hybrids) were evaluated using a randomized co...

ژورنال: علوم آب و خاک 2001
خواجه پور, محمد رضا, رضایی, عبد المجید , سلطانی, افشین ,

Identification of easily measured physiological traits contributing to yield under specified environmental conditions would benefit genotypic selection for grain sorghum. A field experiment was conducted to determine broad-sense heritability and expected genetic advance, and to examine the relationships of grain yield with 11 physiological traits related to developmental periods, vegetative gro...

Akram Feiz Abadi Mahbob Lotfi Mohammad hossien Bijeh Keshavarzi Mohammad Javad Shakouri,

Pepper is one of the nutrition demanding vegetable. In order to compare N fertilizer uptake and plant numbers per area unit, an experiment was conducted with replications. In which fertilizer was the main factor and included Ammonium nitrate in 7 levels (0, 80, 160, 240 kg /ha-1) and 40+40, 80+80, 120+120 kg/ha-1 (in 2 stages i.e. Half of these amounts appliedpre planting ...

Akram Feiz Abadi Mahbob Lotfi Mohammad hossien Bijeh Keshavarzi Mohammad Javad Shakouri,

Pepper is one of the nutrition demanding vegetable. In order to compare N fertilizer uptake and plant numbers per area unit, an experiment was conducted with replications. In which fertilizer was the main factor and included Ammonium nitrate in 7 levels (0, 80, 160, 240 kg /ha-1) and 40+40, 80+80, 120+120 kg/ha-1 (in 2 stages i.e. Half of these amounts appliedpre planting ...

Journal: :Annals of botany 2002
Henning Høgh-Jensen JanK Schjoerring Jean-Francois Soussana

The effects of P deficiency on growth, N(2)-fixation and photosynthesis in white clover (Trifolium repens L.) plants were investigated using three contrasting relative addition rates of P, or following abrupt withdrawal of the P supply. Responses to a constant below-optimum P supply rate consisted of a decline in N(2)-fixation per unit root weight and a small reduction in the efficiency with wh...

ارزانی, احمد , فراهانی , الهام ,

  An experiment was conducted to investigate the heterosis in 12 F1 hybrids of durum wheat using agronomic and morphological traits. Parents were selected according to the estimated genetic distances based on the results of a two-year field experiment, which were then crossed to produce F1 hybrids. Twenty-three genotypes (including 11 parents and 12 hybrids) were evaluated using a randomized co...

Journal: :Journal of biomechanics 1969
D G Ellis

Several methods for measuring cross-sectional areas of cat extensor digitorum communis tendons. were evaluated in terms of repeatability. Estimates of correction factors to be used in relating measurements by different methods were also obtained. The measurements examined included: (1) moist specimen weight per unit length, (2) moist specimen displacement volume per unit length, (3) dry specime...

Bing LIU Cheng WANG Jian JIN M. Hashemi S.J. Herbert Xiao-bing LIU,

Light intensity intercepted by the soybean canopy during the reproductive period is an important environmental factor determining soybean yield components and grain yield. A 2-year field experiment was conducted to investigate the effects of light enrichment and its interaction with planting density on yield formation of soybean cultivars. Light enrichment increased seed yield per plant and yie...

In order to evaluate the effect of peppermint and faba bean intercropping patterns, a field experiment was carried out as a randomized complete blocks design (RCBD) with 9 treatments and 3 replications at the Faculty of Agriculture, University of Maragheh, Iran during 2015 growing season. Treatments included sole planting of peppermint and faba bean and intercropping patterns with ratios of 1:1...

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