Effects of Different Rates and Timing of Application of Nitrogen as Slurry and Mineral Fertilizer on Yield of Herbage and Nitrate-Leaching Potential of a Maize/Italian Ryegrass Cropping System in North-West Portugal
                        AuthID
P-003-MT0
                
    P-003-MT0
 
    
                     
    
                     
    
                     
                    