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A simple and fast method for assessment of the nitrogen-phosphorus-potassium rating of fertilizers using high-resolution continuum source atomic and molecular absorption spectrometry
(Elsevier B.V., 2014-11-01)
The determination of N, P, and K in fertilizers by high-resolution continuum source flame atomic and molecular absorption spectrometry is proposed. Under optimized conditions, measurements of the diatomic molecules NO and ...
Trace Element Composition of Selected Fertilizers Used in Chile: Phosphorus Fertilizers as a Source of Long-Term Soil Contamination
(TAYLOR & FRANCIS INC, 2009)
Anthropogenic activities like agriculture have resulted in increased concentrations of some trace elements of toxicological and environmental concern in soils. Application of fertilizers has been one of the major inputs ...
Potassium Leaching as Affected by Soil Texture and Residual Fertilization in Tropical Soils
(Taylor & Francis Inc, 2014)
Potassium and Phosphorus in Muscat Rosada Grape Yield in Elqui Valley Soil
(Instituto de Investigaciones Agropecuarias, INIA, 2008)
Residual influence of nitrogen, phosphorus and potassium doses on soil and eucalyptus nutrition in coppice
(2021-10-01)
The management of fertilizer is an important strategy for better nutrition and productivity of eucalyptus. Therefore, the objective of this research was to evaluate the isolated residual effect (carryover) of N, P and K ...
Profitability of fertilization at establishment of Eucalyptus globulus plantations
(COLEGIO DE POSTGRADUADOS, 2007)
Long-term annual fertilization with nitrogen and potassium affect yield and mineral composition of 'Fuji' apple
(São Paulo - Escola Superior de Agricultura Luiz de Queiroz, 2009)
Nitrogen (N) and potassium (K) are closely related to orchard productivity, since they are usually found in higher concentrations than others macronutrients in apple (Malus × domestica Borkh) fruits. This research was ...
Organomineral Fertilizer as Source of P and K for Sugarcane
(2020-12-01)
Sugarcane (Saccharum spp) crop has high social, economic and environmental importance for several regions throughout the world. However, the increasing demand for efficiency and optimization of agricultural resources ...