Y m reda (4 Ergebnisse)

Hardcover. Zustand: Bon. Ancien livre de bibliothèque avec équipements. Couverture différente. Edition 1997. Ammareal reverse jusqu'à 15% du prix net de cet article à des organisations caritatives. ENGLISH DESCRIPTION Book Condition: Used, Good. Former library book. Different cover. Edition 1997. Ammareal gives back up to 15% of this item's net price to charity organizations. …

Taschenbuch. Zustand: Neu. Wheat Productivity by Using some Biofertilizers & Antioxidants | Reda M. Y. Zewail (u. a.) | Taschenbuch | Englisch | LAP Lambert Academic Publishing | EAN 9783847371212 | Verantwortliche Person für die EU: preigu GmbH & Co. KG, Lengericher Landstr. 19, 49078 Osnabrück, mail[at]preigu[dot]de | Anbieter: preigu. …

Bruxelles. Directeur: Joseph Bracops. Un volume 22,2x14cm broché de 72 pages. Bon état. Importante revue belge de poésie et d?essais fondée et animée jusqu?en 1990 par Albert Ayguesparse. Livres.

Taschenbuch. Zustand: Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Wheat plant (Triticum aestivum. L) is the most important plant in family poaceae, from cereal crops because it has an international nutritional human feeding. The wheat plants considered one of the main cereal crops not only in Egypt but also all over the world. Biofertilizers one of the important management that assist to increase productivity and the reduction of using chemical fertilizers and alteration by biofertilizer treatments. Nitrogen, phosphorus and potassium are a major essential macronutrients for plant growth and development and soluble p and k fertilizers are commonly applied to replace removed minerals. When phosphate is added into soils as a fertilizer in relatively soluble and plant available forms, it is easily converted into insoluble complexes with calcium carbonate, aluminum silicate consequently, to achieve optimum crop yields either by soluble phosphate fertilizers or biofertilizers have to be applied at high rates which cause unmanageable excess of phosphate application and environmental and economic problems.…