نتایج جستجو برای: different cultivation areas

تعداد نتایج: 2095323  

2016
Adam G Dolezal Jimena Carrillo-Tripp W. Allen Miller Bryony C. Bonning Amy L. Toth

As key pollinators, honey bees are crucial to many natural and agricultural ecosystems. An important factor in the health of honey bees is the availability of diverse floral resources. However, in many parts of the world, high-intensity agriculture could result in a reduction in honey bee forage. Previous studies have investigated how the landscape surrounding honey bee hives affects some aspec...

Cobalt (Co) deficiency occurs in many parts of world especially in tropical and subtropical countries.Primary Co deficiency occurs only in places where the soil is deficient in Co. The type of soil and the presence of other substances like manganese and lime influence the absorption of Co (secondary Co deficiency). To determine the Co status in Shahrekord district, Iran, several important farms...

Currently, water, as the most limiting factor in production, determines the priority of planting in different areas of Iran. Saffron is one of the good candidates for drought conditions since it has high economic value and low water requirements that can help with sustainable development. By identifying the factors influencing the decision on saffron cultivation and its expansion, appropriate p...

2018
Ruyu Yao Michael Heinrich Yuanfeng Zou Eike Reich Xiaolei Zhang Yu Chen Caroline S. Weckerle

Goji (fruits of Lycium barbarum L. and L. chinense Mill.) has been used in China as food and medicine for millennia, and globally has been consumed increasingly as a healthy food. Ningxia, with a semi-arid climate, always had the reputation of producing best goji quality (daodi area). Recently, the increasing market demand pushed the cultivation into new regions with different climates. We ther...

قاسم نژاد ملکی, حیدر محمد, نصیریان, نیما, کج‌بافیان, حسین,

In order to determine and evaluate the mechanization indices, including energy and economic, in production of greenhouse cucumber and tomato, a study was carried out using sequential design- factorial with three replications in Khuzestan province, Iran, during 2011-2012. The greenhouse structures and production methods in all the systems were similar. The evaluated treatments included two culti...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و علوم انسانی 1391

abstract: one of the most visited & important spaces in different countries by tourist are urban areas. the old tehran which major part is located in district 12 is historical showcase of the capital, but, its hiidden cultural attraction is not used as it should be. this thesis occasionally engage in studying the efficacy of correct installation of travel guide boards in welfare & easily acc...

2012
Farzin Shabani Lalit Kumar Subhashni Taylor

Climate is changing and, as a consequence, some areas that are climatically suitable for date palm (Phoenix dactylifera L.) cultivation at the present time will become unsuitable in the future. In contrast, some areas that are unsuitable under the current climate will become suitable in the future. Consequently, countries that are dependent on date fruit export will experience economic decline,...

2013
A. Perez Camacho U. Labarta

Mussel seed, obtained from the intertidal zone and permanently immersed collector ropes, was cultivated on ropes suspended from three rafts located at three different sites within the Ria de Arousa (Galicia, NW Spain). Sites were characterized by different levels of phytoplankton availability. The source of seed stock had a marked influence upon subsequent mussel growth; seed originating from c...

Methodology: In this regard, the effective agro-ecological data in different phonological stages of Aloe Vera plant, including minimum and maximum temperature and precipitation as unstable factors, and elevation, slope, aspect, soil and salt domes, as stable elements in the assessment of susceptible areas Aloe vera cultivar was used. Using the Fuzzy Gama and Fuzzy Multi-criteria Decision-making...

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