نتایج جستجو برای: spraying treatments

تعداد نتایج: 182557  

Journal: :International journal of hygiene and environmental health 2005
Edith Berger-Preiss Andrea Boehncke Gustav Könnecker Inge Mangelsdorf Dagmar Holthenrich Wolfgang Koch

Data on inhalational and potential dermal exposures during spray application of liquid biocidal products were generated. On the one hand, model experiments with different spraying devices using fluorescent tracers were carried out to investigate the influence of parameters relevant to the exposure (e.g. spraying equipment, nozzle size, direction of application). On the other hand, measurements ...

Journal: :علوم گیاهان زراعی ایران 0
سیدرضا احمدپور حسن علیزاده ناصر مجنون حسینی

field experiments were conducted in amirkabir sugarcane agro-industry (khuzestan province, iran) farms to evaluate the efficacy of integrated chemical and mechanical methods in controlling weeds. experiments were carried out in a split plot-randomized complete blocks design with four replications. the main plot consisted of four mechanical treatments, namely: hilling up, sweep cultivator, disc ...

Journal: :journal of ornamental plants 2000
hassan bayat morteza alirezaie hossein neamati ali abdollahi saadabad

a pot experiment was carried out to determine the effect of foliage spraying of silicon (si) on growth and ornamental characteristics of calendula grown under salt stress and greenhouse conditions. a factorial experiment based on completely randomized design was conducted with 3 levels of si (0, 50 and 100 mg/l) and 3 levels of nacl (0, 100 and 200 mm) with 4 replications. at flowering stage, s...

Journal: :Folia Horticulturae 2021

Abstract In 2020, a greenhouse experiment was conducted to investigate the suppression of annual bluegrass ( Poa annua ), which is difficult weed manage in cool-season turfgrass mixtures on football pitches. The efficacy prohexadione calcium (Pc), ethephon (Eth) and Pseudomonas fluorescens against P. , Lolium perenne pratensis tested, as latter two most commonly occur Mesotrione (Mes) used posi...

The ever-increasing problem of water scarcity in arid and semi-arid regions of Iran has necessitated the demand to replacement of sugar beet plantation by more water-use efficient plants. Sweet sorghum is one of the sugars plants with low water requirements that potentiates cost-effective sugar production in different regions. However, physiological aspects of sugar yield in this plant is not c...

Glasswort(Salicornia europaea L.) as an important halophyte plant is capable to accumulate NaCl in aboveground part (fully edible) in considerable quantity. To evaluate the effect of irrigation levels and nitrogen fertilizer on the yield of seed and oil, and also harvest index of Glasswort, a split plot experiment was conducted based on randomized complete block design with three replications a...

Journal: :International journal of horticulture and food science 2023

Thymus serpyllum (creeping thyme) is a newly introduced medicinal and aromatic plant in Egypt. It was grown hydroponically for this study. The goal to assess the effect of three sandponic media (sand, silica, sand with silica) foliar spraying fulvic acid (without with) on growth, herbage yield, essential oil yield. experiment designed as split plot. main plots involved spraying, while subplots ...

Journal: :International journal of Bio-resource and Stress Management 2022

Southern leaf blight of maize (Bipolaris maydis) is one the major disease in many countries including India. An experiment was conducted for two consecutive years during rabi 2019 and 2020 to develop an integrated management southern using fungicides, botanicals bioagents under natural field conditions. Propiconazole found be best showed 100% mycelial growth inhibition vitro at 0.1%. Among bota...

sharifi, mehdi, usefirad, mojtaba,

In order to study the effect of salicylic acid and selenium foliar application on physiological characteristics, yield and yield components of safflower (Carthamus tictorius L.) under drought stress conditions, an experiment was conducted as split plot based on randomized complete block design with three replications. The main factor included irrigation in three levels, complete irrigation duri...

Journal: :تحقیقات کاربردی اکوفیزیولوژی گیاهی 0
سیده حدیثه بهاری ساروی همت الله پیردشتی یاسر یعقوبیان

in order to investigate the effect of plant growth promoting rhizobacteria (pgpr) along with zinc (zn) and manganese (mn), foliar spraying on the morphological parameters of basil (ocimum basilicum l.) an experiment was conducted in factorial based on a randomized complete block design with three replications in 2011. treatments were the pgpr inoculation with azotobacter and azospirillum (azb+a...

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