Isotopic Studies of Azolla and Nitrogen Fertilization of Rice formatIsbn:Hardcover - 9780792322740 and Social Justice and Transformation

and Social Justice and Transformation

and held in London

Sitzung vom 17

Zwar steht im folgenden ein spezieller Ausschnitt des Themas "Arbeitszeit" im Mittelpunkt dieser Arbeit

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Isotopic Studies of Azolla and Nitrogen Fertilization of Rice formatIsbn:Hardcover - 9780792322740 and Social Justice and TransformationNitrogen 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