نتایج جستجو برای: application rates

تعداد نتایج: 1177894  

ژورنال: علوم زراعی ایران 2020

Irrigation water deficit is an important factor that affect rice production in the world as well as Guilan province in Iran. Intermittent irrigation method can be applied to compensate for the water shortage in rice growing areas, however, it would affect other crop mangement practices such as fertilizer application and mangement. Therefore, this experiment was conducted to determine optimum fe...

ژورنال: علوم آب و خاک 2011
حسن پاک نیت, , سید عبدالرضا کاظمینی, , فرود صالحی, , محمدجعفر بحرانی, , نجفعلی کریمیان, ,

Crop residues are beneficial substances that can bring about important changes in soil biological, chemical and physical properties and can also increase or stabilize crops yield. A field experiment was carried out at Research Station of College of Agriculture, Shiraz University, Shiraz, Iran, to determine the effects of wheat (Triticum aestivum L.) residue rates in combination with N levels on...

Journal: :بوم شناسی کشاورزی 0
کبری اروجی محمد حسن راشد محصل پرویز رضوانی مقدم مهدی نصیری محلاتی

in order to study the effect of different types and rates of animal manure and spent mushroom compost on controlling egyptian broomrape (orobanche aegyptiaca perss.) in tomato (mill. lycopersicon esculentum), two studies were conducted on randomized complete block design with three replications at research green house, college of agriculture, ferdowsi university of mashhad and nemooneh field of...

ژورنال: :علوم و تحقیقات بذر ایران 0
رئوف سید شریفی اعضای هیأت علمی دانشکده کشاورزی دانشگاه محقق اردبیلی زهره زارع زاد دانشجوی کارشناسی ارشد دانشگاه محقق اردبیلی مرتضی برمکی اعضای هیأت علمی دانشکده کشاورزی دانشگاه محقق اردبیلی اکبر عبدی دانشجوی کارشناسی ارشد دانشگاه محقق اردبیلی رضا سید شریفی اعضای هیأت علمی دانشکده کشاورزی دانشگاه محقق اردبیلی

in order to evaluation of nitrogen fertilizer application and seed inoculation by azotobacter and azosprillium on yield, rate and grain filling period of corn sc-500 cultivar, a factorial experiment was conducted based on randomized complete block design with three replications in farm of agriculture and natural resource research center of azarbaijan-e- shargi province in 2011. the factors were...

Journal: :مدیریت خاک و تولید پایدار 0
احمد گلچین دانشگاه زنجان فاطمه رخش دانشگاه زنجان بهنام سالوند دانشگاه زنجان امین وطنی دانشگاه زنجان

to determine the effects of vinasse on physicochemical properties of a calcareous and an acidic soil experiment was factorial and had a complete randomized design and three replications. factorial combinations of five vinasse levels (0, 5, 10, 20 and 40 t/ha) and three exposure times (10, 20 and 30 days) were considered as the treatments of this experiment. the result of experiment showed that ...

Journal: :ce/papers 2023

Abstract The scientific community has widely accepted the use of machine learning techniques to tackle complex engineering problems. Among most intriguing problems is finding correlation between alloy steel properties and cyclic fatigue crack growth rate. Employing machine‐learning models can provide more robust accurate predictive address such challenges. This paper presents application four m...

Journal: :journal of agricultural science and technology 2015
y. k. li b. li w. z. guo x. p. wu

nitrous oxide (n2o) has significant impact on global warming and leads to the depletion of ozone in the stratosphere. agricultural soil is regarded as a major source of n2o emissions. in recent years, greenhouse grown vegetables have rapidly developed in china. although excessive fertilizer application in greenhouse vegetable production can result in increased n2o emissions, research data on su...

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