نتایج جستجو برای: نقشه خاک fao
تعداد نتایج: 46261 فیلتر نتایج به سال:
Enabling environments for agribusiness and agro-industries development Regional and country perspectives The designations employed and the presentation of material in this information product do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations (FAO) concerning the legal or development status of any country, territory, ...
The pyfao56 software package is a Python-based implementation of (1) the American Society Civil Engineers (ASCE) Standardized Reference Evapotranspiration Equation and (2) Food Agricultural Organization United Nations (FAO) Irrigation Drainage Paper No. 56 (FAO-56) dual crop coefficient methodology. was initially developed to support water use estimation irrigation scheduling for field research...
The designations employed and the presentation of material in this information product do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations (FAO) or of the World Health Organization (WHO) concerning the legal or development status of any country, territory, city or area or of its authorities, or concerning the delimitat...
Traditionally, potatoes are a central component of warm meals in many European countries (Wandel et al. 2001; FAO, 2004). In an analysis from the EPIC study (n 13 031 men and 22 924 women) including data from ten European countries (Greece, Spain, Italy, France, Germany, The Netherlands, UK, Denmark, Sweden and Norway), potatoes contributed on average 7 % to the total carbohydrates consumed, bu...
An interdepartmental programme for Improving support for enhancing livelihoods of the rural poor. Cover photograph from FAO Photo-library This paper was prepared under contract with the Food and Agriculture Organization of the United Nations (FAO). The positions and opinions presented are those of the author alone, and are not intended to represent the views of FAO. The Livelihood Support Progr...
The designations employed and the presentation of material in this information product do not imply the expression of any opinion whatsoever on the part of the Food and Agriculture Organization of the United Nations (FAO) or of the World Health Organization (WHO) concerning the legal or development status of any country, territory, city or area or of its authorities, or concerning the delimitat...
Historically, the oceans were considered limitless and thought to harbour enough fish to feed an ever-increasing human population. However, the demands of a growing population, particularly in poorer countries, now far outstrip the sustainable yield of the seas. At the same time as fishing has become more industrialised, and wild fish stocks increasingly depleted, aquaculture production—fish an...
نقشه های حاصلخیزی خاک مبنای توصیه های کودی، پایش تغییرات تغذیه ای خاک و یکی از ابزارهای مهم برای پیش بینی کمبود یا سمیت عناصر غذایی در خاک می باشند. این مطالعه با هدف تهیه نقشه رقومی عناصر غذایی پرنیاز وکم نیاز و همچنین برخی از خصوصیات فیزیکوشیمیائی مهم خاک برای مراکز خدمات سازمان جهاد کشاورزی جهت بهینه سازی مصرف کودهای شیمیائی در برنامه عملیاتی الگوی کاشت انجام گردید. منطقه مطالعاتی شامل اراض...
در بسیاری از مسائل ژئوتکنیکی لازم است که فشار فعال ایجاد شده در یک دیوار حائل، با توجه به سربار وارده بر خاکریز پشت دیوار، محاسبه گردد. در این تحقیق بر مبنای روشهای تحلیلی، تعیین فشار ناشی از سربار بر دیواره هایی که توده های خاک مسلح در پشت آنها قرار می گیرد، مورد توجه واقع شده است. به همین منظور روش قطعات افقی مورد بازنگری و تدقیق قرار گرفته و فرمولبندی کامل آن برای به دست آوردن اثر سربار در د...
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