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Adapter design
development and implementation of several advanced control systems that maintain users' comfort (thermal and indoor air quality) whilst minimizing energy consumption
7–13 August 1968
er fordert Gerechtigkeit
Isotopic Studies of Azolla and Nitrogen Fertilization of Rice formatIsbn:Hardcover - 9780792322740 soll helfenNitrogen is the most limiting element for crop production. Traditionally, expensive commercial fertilizers are used to correct soil nitrogen deficiencies. Indeed, 50% of the increase in rice yields after World War II can be attributed to increased fertilizer nitrogen use. Although an increased rate of fertilizer nitrogen application has been advocated to meet the growing demand for food, it is unrealistic to advise the farmers to apply fertilizers
