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Showing 3 results for Ramazani

M. R. Lak, H. R. Dorei, M. K. Ramazani, M. H. Hadizadeh,
Volume 9, Issue 3 (fall 2005)
Abstract

In orther to determine the critical period for weed control in the Chitti bean (Phaseolus vulgaris) line KS-21467 a field study was conducted at the Bean Research Station of Khomein by a randomized completele block design in 2001 and 2002. The treatments included weed free and weed infested period until 20, 28, 36 and 44 days after planting (DAP) with two weed free and weedy checks. The results indicated that the critical period at 5% allowable yield loss was 20-53 DAP (between first-trifoliate and flowering stages) in 2001 and 35-51 DAP ( between blossom and flowering stages) in 2002. Weed dry weight decreased averaglly 81% in weed-free period until 44 DAP compared to the weedy check. Yeild decreased averaglly 63% in weedy check compared to the weed free check. Weed competition increased the height of bean, wherease 100-seed weights and the number of seeds per pod were not substantially affected. There was a negative and significant correlation of weed dry weight with the number of pods per plant, the number of seeds per plant and yeild.
A.m. Amini, A. Zeynal Hamadani, M. Ramazani,
Volume 12, Issue 43 (spring 2008)
Abstract

The general goal of this research was to study the most effective Intra-Organizational factors in the success of the poultry-farm cooperatives in Tehran province. To this end, viewpoints of 151 managers and members of agricultural cooperatives were collected and studied. Survey study was performed to evaluate the effects of four major parameters including member awareness of the principles and philosophy, training programs of members, participation in cooperatives' affairs, and expertise and ability of managers on the success index of poultry cooperatives. The results showed that the degree of members' share of training and knowledge of cooperatives' principles was very low also participation in cooperative's affairs and the managers' expertise and skills were medium. Using multivariate regression analysis, the above-mentioned four factors showed significant effects on the success of the poultry cooperatives with coefficients of 1.87, 0.46, 0.57 and 1.04, respectively.
M. Ramazani, H.a. Samizadeh Lahiji, H. Ebrahimi Koulabi, A. Kafi Ghasemi,
Volume 12, Issue 45 (fall 2008)
Abstract

In order to study agronomic and morphological traits in maize hybrids in Hammedan, two early (108 and 301), three medium (604, 647 and TWC647) and two late maturing (704 and 711) hybrids were evaluated in a randomized complete block design with three replications in Agricultural and Natural Resources Research Station in Hammedan in 2005. 33 morphological and phonological traits were recorded from 10 plants randomly selected from two central rows of each plot. The maximum and minimum grain yield was obtained from SC647 and SC301, respectively. The grain yield had the highest correlation with dehusked ear weight. Factor analysis of data after varimax rotation identified four factors that accounted for 98.03% of total variance. The scatter plot of hybrids based on the two first factors (the seed yield factor and phenological structure factor) showed that SC704 had the maximum forage yield and the best physiological characteristics and SC647 had the maximum grain yield, cob diameter and number of seed in row.

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