نتایج جستجو برای: leaf yield response index

تعداد نتایج: 1580544  

Journal: :Journal of environmental biology 2007
J K Datta S Chakraborty S Gupta R N Saha N Mondal

In order to screen out the best variety of wheat (Triticum aestivum) out of eight varieties (viz., HP 1633, BW 11, NW 1014, Sonalika, HUW 468, K 9107, HP 1731 and HUW 234), a field experiment was conducted (from Dec. 2002 to April 2003) in a randomized block design replicated thrice at Crop Research and Seed Multiplication Farm, Burdwan University, West Bengal, India. Various morpho physiologic...

2005
Zhenmin Lu John W. Radin Edgar L. Turcotte Richard Percy Eduardo Zeiger

Advanced lines of Pima cotton {Gossypium barbadense L.) bred for higher yield potential and heat resistance have higher stomatal conductance and smaller leaf areas than those of obsolete !ines. In controlled experiments, five commercial lines of Pima cotton having increasing lint yield and heat resistance showed a gradient of increasing stomatal conductance and decreasing leaf size. In field ex...

Journal: :علوم گیاهان زراعی ایران 0
مجتبی کریمی دانشجوی دکتری، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی دانشگاه تهران جواد هاشمی استادیار، پژوهشکدۀ بیوتکنولوژی کشاورزی ایران علی احمدی دانشیار، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی دانشگاه تهران علیرضا عباسی دانشیار، گروه زراعت و اصلاح نباتات، پردیس کشاورزی و منابع طبیعی دانشگاه تهران

to study the effect of soil moisture variation on growth and steviol glycosides contents in stevia (stevia rebaudiana b), a potexperiment based on a randomized complete design with four treatments and three replications were conducted in a greenhouse of agricultural biotechnology research institute of iran (central region, isfahan), in 2012. experimental treatments applied as a combination of v...

1999
R. Casa

The effect of environmental factors and stand density on linseed (Linum usitatissimum L.) yield was investigated by examining yield components and development rates from 4 years of field experiments carried out at Viterbo, Central Italy, in which different seed rates were tested. Spring sowings were carried out using the linseed cultivar ‘Mikael’. Growth analysis using the functional approach a...

Journal: :Journal of Agricultural and Applied Economics 2013

Journal: :Jurnal Teknik Pertanian 2023

White sorghum is utilized for food, beverage, fodder, and other industrial purposes. Spacing fertilization are among problems the development of plants. The aim this study was to evaluate interaction effect planting space phosphate fertilizer treatments on production white (Sorghum bicolor L. Moench) varity Samurai-2, determine best results from those as well. This research performed at experim...

The goal of this study is to identify farms which are affected by wheat rust disease. For this, the sensor data of Landsat 7 satellites in growing season of 2013 and 2014 along with some laboratorial data containing reflectance spectrum of leaf and leaf health degree in different levels of disease are used. The reflectance values of leaf are collected by an ASD spectroradiometer in the range of...

2007
J. Dash P. J. Curran

Remotely sensed data can be used to estimate crop type, amount and condition and such estimates, made at key points in the growing season can be used to predict the eventual crop yield. The launch of the Medium Resolution Imaging Spectrometer (MERIS) on the Envisat satellite offers other approaches to the remote sensing of crop yield and these are explored in this paper. This sensor is now prov...

2015
Muhammad Amir Bakhtavar Irfan Afzal Shahzad Maqsood Ahmed Basra Azraf-ul-Haq Ahmad Mehmood Ali Noor

Low temperature at stand establishment and high temperature at reproductive stage are involved in reduction of grain yield of spring maize. A field study was therefore conducted to evaluate different physiological strategies for improving performance of spring maize under temperature extremes. Seed priming and foliar spray with 3% moringa leaf extract (MLE) and 100 mg L-1 kinetin solution alone...

Journal: :بوم شناسی کشاورزی 0
رستم یزدانی بیوکی محمد بنایان اول حمیدرضا خزاعی حمید سودائی زاده

in order to investigate the effect of organic and chemical fertilizers on growth characteristics of marjoram, a factorial experiment was conducted based on randomized complete block design with three replications at the agricultural research station, ferdowsi university of mashhad during 2012-2013 growing season. treatments were comprised of four urea levels (0, 21.7, 108.7 and 195.7 kg.ha-1) a...

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