نتایج جستجو برای: root stock

تعداد نتایج: 228536  

ژورنال: :پژوهش های حسابداری مالی و حسابرسی 0
محمد حسین ستایش استاد حسابداری، دانشگاه شیراز، شیراز، ایران مصطفی کاظم نژاد دانشجوی دکتری حسابداری، دانشگاه شیراز، شیراز، ایران

مقاله حاضر به بررسی سودمندی رگرسیون های تجمیعی و روش های انتخاب متغیرهای پیش بین بهینه (شامل روش مبتنی بر همبستگی و ریلیف) برای پیش بینی بازده سهام شرکت های پذیرفته شده در بورس اوراق بهادار تهران می پردازد. به منظور ارزیابی عملکرد رگرسیون تجمیعی، معیارهای ارزیابی (شامل میانگین قدرمطلق درصد خطا، مجذور مربع میانگین خطا و ضریب تعیین) مربوط به پیش بینی این روش، با رگرسیون خطی و شبکه های عصبی مصنوعی...

Journal: :E3S web of conferences 2023

Container and bare-root seedlings are the two basic stock types used in reforestation programs many countries, but tropics, have never been widely applied. The objective of this research was to assess possibility for tropical forest landscape restoration treated by fertilization nursery aquasorb treatment using tree species, i.e., Calophyllum inophyllum Gmelina arborea . A randomized block desi...

2000
B. J. Messenger

Phytophthora root rot of avocado, a soilborne disease caused by Phytophthora cinnamomi Rands, continues to be devastating to the cultivation of avocados despite more than 70 years of research on control methods. Phytophthora root rot has been estimated to be present in two-thirds of the avocado groves in California, causing losses of almost 30% of the total value of the crop (5). P. cinnamomi m...

2017
Hizumi L. S. Seó Luiz C. P. Machado Filho Daniel Brugnara

A significant share of Greenhouse Gases (GHG) produced from agriculture comes from cattle farming. The reduction in GHG emissions from ruminants fed with grains has led some researchers to recommend such a diet as a means of mitigating emissions in the sector. A more accurate balance of emissions, however, must include the carbon (C) stocked by feed crops. Within the grain production system, no...

Journal: :Journal of Marine and Aquatic Sciences 2023

Land use change is a huge threat for mangrove ecosystems,which are known their high carbon sequestration and storage capacity.Vegetation restoration efforts often undertaken, but fail to restore optimal ecosystem sequestration. The forest of Perancak Estuary with history project was made the subject this research. objectives include: (i) estimation biomass sediment stock; (ii) comparison restor...

2017
Xibei Chen Birger Nilsson

The Chinese stock market has been established for more than 20 years. Although it is not as mature as the highly developed western securities markets, it has a huge influence on the global economy. It is significant to study the risks of the Chinese stock market, especially the risk of stock indexes. Affected by the economic globalization today, more and more financial derivatives and financial...

Journal: :International Journal of Plant and Soil Science 2023

The experiment was conducted at Central Horticultural Experiment Station, ICAR- IIHR, Aiginia, Bhubaneswar, Odisha, India during kharif seasons of 2018 in collaboration with Odisha University Agriculture and Technology, to study the seed germination, days taken reach grafting stage success (percentage) rootstock scion seeds used for grafting. cultivated wild species brinjal tomato were as roots...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تهران 1357

چکیده ندارد.

Journal: :Lingua Posnaniensis 2022

The paper as part of a long-running series is devoted to the etymological analysis new segment (namely that with initial dental *z-) Angas-Sura root stock, small group modern languages remotely and ultimately akin pharaonic Egyptian well-known Semitic or Twareg in Sahara etc. Doing so, I wish continue noble tradition initiated by J.H. Greenberg (1958), founding father Afro-Asiatic comparative l...

2008
S. J. FLETCHER M. ZUPANSKI

In this paper we perform a study using the Maximum Likelihood Ensemble Filter, MLEF, developed at the Cooperative Institute for Research in the Atmosphere (CIRA), Colorado State University (CSU), and Florida State University (FSU), with CSU’s 2-dimensional shallow water equations model on the sphere. The aim of this study is to find the optimal number of ensemble members, with respect to the ro...

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