نتایج جستجو برای: perlite

تعداد نتایج: 889  

Journal: :International microbiology : the official journal of the Spanish Society for Microbiology 2002
F J Temprano M Albareda M Camacho A Daza C Santamaría D Nombre Rodríguez-Navarro

The effect of a variety factors on the survival of several rhizobia strains on inoculants and inoculated seeds has been evaluated. Since the rhizobia strains showed different cell-density-evolution patterns on peat-based inoculants and on inoculated seeds, several inoculant formulations with highly effective Rhizobium/Bradyrhizobium strains (for Lupinus, Hedysarum, Phaseolus and Glycine max.) w...

2013
Rogayah Sekeli Janna Ong Abdullah Parameswari Namasivayam Pauziah Muda Umi Kalsom Abu Bakar

A high survival rate for transformed papaya plants when transferred to the field is useful in the quest for improving the commercial quality traits. We report in this paper an improved rooting method for the production of transformed Malaysian Eksotika papaya with high survival rate when transferred to the field. Shoots were regenerated from embryogenic calli transformed with antisense and RNAi...

Ghaderi, N., Javadi, T., Khorshidi, J., Sharifi, A.,

Culture medium and nutrition are two important factors in determining the quantity and quality of greenhouse products. Accordingly, a factorial experiment was conducted based on completely randomized design on strawberry (cv. Aromas) in the greenhouse of Department of Horticulture, University of Kurdistan, Sanandaj, Iran. The first factor was two culture media (mixture of perlite and cocopeat w...

2014
Xiangming Zhou Zongjin Li

Xiangming Zhou and Zongjin Li 1 School of Engineering and Design, Brunel University, Uxbridge, Middlesex, United Kingdom UB8 3PH Tel: +44 1895 266 670, Fax: +44 1895 269 782, Email: [email protected]. 2 Department of Civil and Environmental Engineering, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, Tel: +852 2358 8751, Fax: +852 2358 1534, Email:...

Journal: :Bioresources 2023

The pyrolysis of medlar seeds was performed at 350, 450, 550, and 650 °C with without K2CO3, MgO, expanded perlite (10 wt%). maximum dichloromethane extract yield (6.70 wt%) obtained 450 in the experiments catalyst, while bio-oil (50.3 presence perlite. yields decreased noticeably use MgO K2CO3. bio-oils from non-catalytic runs mainly consisted phenolic compounds. catalysts had a noticeable eff...

Journal: :E3S web of conferences 2023

The most common cause of a household gas explosion in residential area is leak from the stove burner. Even small amount can fire with subsequent uncontrolled combustion. number explosions on territory Russian Federation multi-apartment buildings associated leakage growing every year. As result analysis designs existing stoves and main causes leakage, hypothesis was put forward, suggesting that ...

Journal: :Review on agriculture and rural development 2021

Before acclimatization of Bowiea volubilis, in vitro propagated bulbs were cleaned and separated into four sizes (from 6 to 15 mm). We formed a total 10 groups with 30-30 individuals, distributing the evenly. Four types substrate (peat, perlite, coconut fiber, sand) their mixtures 50-50% used. Previously we examined three parameters: length, diameter weight bulbs; later successfully acclimatize...

This experiment was conducted to study the effect of cocopeat: perlite medium with three ratios (v/v) (1:1, 3:1 and 1:3) on some vegetative, flowering and biochemical parameters of two gladiolus cultivars (Strong and White) under soilless conditions in 2016. Data indicated that most vegetative parameters expressed as plant height, leaf number and leaf area, flowering parameter such as spike eme...

2012
G. Vijayakumar R. Tamilarasan M. Dharmendirakumar

This paper presents the feasibility of removal of basic dye Rhodamine-B from aqueous solutions by using a low cost natural adsorbent perlite. Batch adsorption experiments were carried out as a function of pH, contact time, initial concentration of the adsorbate, adsorbent dosage and temperature. Dye adsorption equilibrium was rapidly attained after 50 minutes of the contact time, and it was des...

2008
Rick A. Boydston Kassim Al-Khatib

Mesotrione is an effective herbicide for volunteer potato control but is not selective in several crops, including onion and carrot. Studies were conducted in 2006 to evaluate the effectiveness of wiper-applied mesotrione for control of volunteer potato in a potato crop. Surprisingly, nontreated potatoes growing adjacent to mesotrione-treated plants exhibited bleaching symptoms resembling mesot...

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