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Phosphorus Fractions of Selected Calcareous Soils of Qazvin Province and their Relationships with Soil Characteristics
Informations of phosphorus fractions are important for evaluation of their status in soil and understanding of soil chemistry that influence soil fertility. To obtain such information, amount and
Effect of different methods of fertilisation on grape yield in Qazvin
At present 2.3 million tons of grapes are produced annually from 280 thousand hectares of grapevines in Iran. Grape production is projected to increase to 5.6 million tons per year by the end of the
Comparative Study of DOP and CND Methods for Leaf Nutritional ‎Diagnosis of Vitis Vinifera in Iran
ABSTRACT In this study, the norms for Vitis Vinifera have been derived and compared using the Compositional Nutrient Diagnosis (CND) and Deviation from Optimum Percentage (DOP) diagnose methods to
Nutritional Status Assessment of Pistachio Orchards in Qazvin Plain, Iran
ABSTRACT Plant analysis is used to optimize the fertilizer applications and diagnosis of the plant nutrition disorders. In the present study, the standard norms for pistachio orchards have been
INFLUENCE OF CARBON AND NITROGEN SOURCES ON BACTERIAL CELLULOSE PRODUCTION BY GLUCONACETOBACTER XYLINUS CECT 7291
The first aim of this study was to evaluate the effect of the carbon source on the cellulose production from Gluconacetobacter xylinus CECT 7291. On a Hestrin-Schramm base medium, five carbon sources
Management of fertilizer optimum consumption to increase productivity and healthy production in Iran
The fertilizer is a key element for optimizing production technology and increasing productivity. Irregular consumption of chemical fertilizer and failure to comply of agricultural knowledge,
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