نتایج جستجو برای: and agricultural activities growth

تعداد نتایج: 16970252  

2017
Linlin Zhang Xueying Tian Shan Kuang Ge Liu Chengsheng Zhang Chaomin Sun

Phenazine and its derivatives are very important secondary metabolites produced from Pseudomonas spp. and have exhibited broad-spectrum antifungal and antibacterial activities. However, till date, there are few reports about marine derived Pseudomonas and its production of phenazine metabolites. In this study, we isolated a marine Pseudomonas aeruginosa strain PA31x which produced natural produ...

Journal: :Osmaniye Korkut Ata Üniversitesi Fen Bilimleri Enstitüsü dergisi 2022

Bu çal??man?n amac?, 1990–2019 dönemine ait TÜ?K’den elde edilen gayrisafi yurtiçi has?la, istihdam ve tar?msal verileri kullan?larak Türkiye’de büyüme ile aras?ndaki ili?kileri ara?t?rmakt?r. amaçla dura?anl?k analizi Granger nedensellik testi uygulanm??t?r. De?i?kenler ili?kilerin yönünü belirlemek amac?yla hata düzeltme modeline ba?l? sonucunda GSY?H aras?nda tek yönlü, toplam yönlü ili?kisi...

2007
S. M. Tavakkoli

Space borne radar data facilitates continuous monitoring of almost any location on the earth (limitations in polar zones) with quite low costs. Almost weather-independent operation of radar systems enables a reliable and continuous record of data from earth’s surface. In the framework of an ESA pilot project (AO335), ENVISAT polarimetric SAR data of years 2004 and 2005 are examined for their us...

A. Ronaghi M. Zarei Z. Paymaneh

ABSTRACT-Water stress is the main cause for crop yield reduction in the majority of agricultural regions of the world because it affects almost all plant functions. The effects of Glomus mosseae on growth, nutrients uptake, and antioxidant enzymes of sour orange (Citrus aurantium) and rough lemon) Citrus jambheri) rootstocks were assessed in sterilized soil under greenhouse conditions.  A three...

2016
Peng-Cheng Chen Pu Zheng Qun Zhang

Lignocellulosic biomass, which contains cellulose (40-50%), hemicellulose (25-50%) and lignin (10-40%), is the most abundantly available raw material on Earth [1]. Broadly, it is classified into three categories: virgin biomass, waste biomass and energy crops. Owing to the rapid growth of global population and corresponding agricultural activities, the amount of lignocellulosic waste biomass is...

Journal: :Journal of agricultural safety and health 2005
J Depczynski R C Franklin K Challinor W Williams L J Fragar

Noise injury in agriculture is a significant yet often unrecognized problem. Many farmers, farm workers, and family members are exposed to noise levels above recommended levels and have greater hearing loss than their non-farming contemporaries. The aim of this study was to gather up-to-date information on farm noise levels and to enhance the quality of information available to assist farmers i...

2016
Mark W. Rosegrant Timothy S. Thomas

FOR MOST COUNTRIES, HIGH PRODUCTIVITY GROWTH IN THE AGRICULTURAL SECTOR HAS BEEN A KEY DRIVER of structural transformation promoting long-term economic growth. Historically, low agricultural productivity growth has hindered economic growth and employment creation in the Philippines, where agriculture—which accounts for one-third of employment—remains a key sector. Climate change has the potenti...

Compartmentalised extension prohibits the uptake of new technology thereby inhibiting agricultural growth. Extension services aimed at increased agricultural growth should have a market-led and evidence-based pluralistic advisory system that is coordinated by the government’s Agricultural and Technical Services division in response to the needs of farmers. This study sought to assess extension ...

Journal: :اقتصاد پولی مالی 0
عباس شاکری تقی ابراهیمی سالاری

this paper using endogenous growth models based on research and development, has investigated two economic relations in three groups of countries included developed countries, developing countries and a mixed group of both mentioned ones. at first, the effects of r&d; activities on patent growth have examined and then the relation between volume of patent and growth rate in these groups has sur...

Ali Hassen Reta Hailu

This article examines the livelihood strategies of land scarce peasants in Ethiopian. Land scarce peasants have a limited livelihood security on a sustainable manner and bypassed by major development programmes. The study was centred on two sets of rationales. First, for those peasants who do not have sufficient farmland, agriculture provides only a limited portion of households’ livelihood...

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