Keywords: agricultural policy, agricultural legislation, rural legislation, Slovak Republic, European union, fertilizer application, farmers, extension activities, farms, educational policy, soil testing, farmer educationFull text (outside link)
Keywords: oryza, rice, irrigation, fertilizer application, nitrogen, plant modelsFull text (outside link)
Keywords: Phosphorus, phosphate solubility, soil pH, liming, fertilizerFull text (file, 1,01 MB)
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