نتایج جستجو برای: of 4 replications six polyethylene treatments black with aluminum strips

تعداد نتایج: 22355866  

Journal: :E3S web of conferences 2023

The organic waste treatment process using Black Soldier Larvae ( BSF ) produces liquid biofertilizer LB that contains functional microbes and macro micronutrients potentially can stimulate plant growth. study aimed to determine the effectiveness of from bioconversion by on growth arabica coffee seedlings. experiment used a randomized block design with 7 treatments, which consisted of: no (contr...

Journal: :پژوهش های زراعی ایران 0
رضا صدرآبادی حقیقی شهرام امیرمرادی علیرضا میرشاهی

in order to study of yield, growth index and physiological traits in spring sugar beet genotypes with delayed planting date, a field experiment was carried out in chenaran in khorasan razavi province in the east of iran in 2008 cropping season. for this experiment a complete randomized block design with 4 replications and 6 treatments was used. the experimental treatments were six improved vari...

2003
V. K. SHARMA

1. Introduction These designs were introduced by Yates in order to eliminate heterogeneity to a greater extent than is possible with randomized blocks and Latin squares when the number of treatments is large. The precision of the estimate of a treatment effect depends on the number of replications of the treatment-the larger the number of replications, the more is the precision. Similar is the ...

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0

in order to evaluation the effect of drought stress on germination indices and early seedling growth of medicinal herb dill (anethum graveolens l), an experiment was conducted in the agricultural laboratory of urmia payam noor university in 2015 as a randomized complete block design with four replications. treatments were five levels of drought stress (0, -1, -2, -3 and -4 bar induced by polyet...

Journal: :Plant 2023

Anacardium occidentale is one of the most popular fruit trees in dry tropics. Unfortunately, several genotypes this species face problem productivity and low variability. The objective study to contribute improvement agronomic potential by aerial layering Diamaré. Specifically, effect covering mode substrate on rooting marcots were evaluated. work consisted carrying out a 7 cm girdling o...

Journal: :Bragantia 2021

Banana (Musa spp.) is a crop with outstanding economic and social expression throughout the world. The objective of this study was to investigate effect different mulches types in growth production postharvest banana ‘BRS Platina’ not irrigated. experiment conducted farm Federal University Lavras (UFLA). Micropropagated plants cultivar BRS were planted field spacing 2.5 × 3.0 m (1333 ·ha-1), wi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1377

chapter one is devotod to collect some notion and background informations, which are needed in the next chapters. it also contains some important statements which will be proved in a more general context later in this thesis. in chapter two, we show that if the marginal factor-group is of order np1...pk,n>1, then we obtain a bound for the order of the verbal subgroup. also a bound for the bear-...

Journal: :journal of arthropod-borne diseases 0
khodadad pirali-kheirabadi department of pathobiology, faculty of veterinary medicine and research institute of zoonotic diseases, university of shahrekord, shahrekord, iran. jaime a teixeira-da-silva faculty of agriculture and graduate school of agriculture, kagawa university, takamatsu, japan mehdi razzaghi-abyaneh department of mycology, pasteur institute of iran, tehran, iran mehdi nazemnia azad university of karaj branch, karaj, iran

b a ckground: the protective effect of two isolates of an entomopathogenic fungus, metarhizium anisopliae (demi 002 and iran 437c) on the adult stage of varroa destructor was evaluated in comparison with fluvalinate strips in the field. m e t hods: a total of 12 honey bee colonies were provided from an apiculture farm. the selected hives were divided into 4 groups (3 hives per group). the first...

Journal: :پژوهش های علوم دامی ایران 0
سید جلال مدرسی رضا ولی زاده محسن دانش مسگران محمدحسن فتحی نسری علیرضا هروی موسوی فاطمه خسروی

introduction this study was intended to evaluate the nutritional value, phenolic compounds and digestibility coefficients of barberry leaves. berberis vulgaris is one of the major crops in the province. the province has more than 70 percent and 95 percent of the total area under cultivation of barberry. waste and foliage of barberry harvest traditionally used to feed livestock tannin concentrat...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1375

the thesis has been arranged into five chapters and mainly concerned with the baer-invariant of groups which is the generalization of the schur-multiplier with respect to the variety of groups. chapter one is devoted to collect some notation and background information which are needed in the next chapters. its also contains some important statements which will be generalized in this thesis. cha...

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