THE AMERICAN SOCIETY OF AGRONOMY
نویسندگان
چکیده
منابع مشابه
American Society of Agronomy Crop Science Society of America Soil Science Society of America
ent organs of plants (Comstock and Ehleringer, 1992), and different aged plants (Cavender-Bares and Bazzaz, Water use efficiency (WUE) is an important ecophysiological char2000). In contrast to WUE, the intrinsic water use effiacteristic of plants, especially in semiarid and arid regions. At the scale of community or ecosystem, WUE is difficult to quantify because ciency (IWUE), defined as the ...
متن کاملAmerican Society of Agronomy Crop Science Society of America Soil Science Society of America
zation by plant roots (Berti and Cunningham, 2000). In the technology called rhizofiltration, accumulation of Indian mustard [Brassica juncea (L.) Czern.] transgenics overexmetals by roots in a hydroponic setup is followed by pressing ATP sulfurylase (APS plants) were shown previously to have higher levels of total thiols, S, and Se. The present study explores the harvesting of the plant biomas...
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اندیشمندان و صاحب نظران علوم اجتماعی بر این باورند که مرحله تازه ای در تاریخ جوامع بشری اغاز شده است. ویژگیهای این جامعه نو را می توان پدیده هایی از جمله اقتصاد اطلاعاتی جهانی ، هندسه متغیر شبکه ای، فرهنگ مجاز واقعی ، توسعه حیرت انگیز فناوری های دیجیتال، خدمات پیوسته و نیز فشردگی زمان و مکان برشمرد. از سوی دیگر قدرت به عنوان موضوع اصلی علم سیاست جایگاه مهمی در روابط انسانی دارد، قدرت و بازتولید...
15 صفحه اولjohn steinbeck: friend of the american common man
in his last years of life americans had almost forgotton steinbeck, and those who had not, occasionally criticized him for supporting and praising the u. s. military intervention in the vietnam war. althought ateinbeck incorporates different themes into his works, each one bears many signs of his concern and sympathy for america and the american common people in particular. steinbecks to a god ...
15 صفحه اولValidation of the Persian Version of the American Orthopedic Foot and Ankle Society Score (AOFAS) Questionnaire
Background: American Orthopedic Foot and Ankle Society Score (AOFAS) is a reliable and reproducible measurement tool which is commonly used for the assessment of foot and ankle conditions. In this study we aimed to translate and assess the psychometric properties of the Persian version of AOFAS questionnaire. Methods: In this study, we enrolled 53 patients with ankle and hindfoot conditions....
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ژورنال
عنوان ژورنال: Science
سال: 1908
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.27.681.115-a