منابع مشابه
Iowa Experience with the Illinois N Test
An important aspect for estimating optimal N applications is to predict the soil N supply capacity (ability to supply plant-available N) each year. Since fertilizer applications supplement crop N requirements that the soil system cannot meet, understanding potential plant-available N originating from the soil can aid in setting N fertilization rates. General differences in plantavailable N and ...
متن کاملEarly intervention and early experience.
For 4 decades, vigorous efforts have been based on the premise that early intervention for children of poverty and, more recently, for children with developmental disabilities can yield significant improvements in cognitive, academic, and social outcomes. The history of these efforts is briefly summarized and a conceptual framework presented to understand the design, research, and policy releva...
متن کاملCommissioning and early experience with a new generation low-energy linear accelerator in zahedan
Introduction: Since commissioning beam data are treated as a reference and ultimately used by treatment planning systems, it is vitally important that the collected data are of the highest quality to avoid dosimetric and patient treatment errors that may subsequently lead to a poor radiation outcome. Beam data commissioning should be performed with appropriate knowledge and pr...
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ژورنال
عنوان ژورنال: The Annals of Iowa
سال: 1871
ISSN: 0003-4827,2473-9006
DOI: 10.17077/0003-4827.11772