Organic EprintsFrilandsgrise og kvælstoftab - Træernes rolleAnne GreteKongstedauthorMartinJensenauthorM.UllforsauthorHVORDAN KAN VI MINIMERE N-TAB? Fraførsel af N via høst af afgrøder ▪ Høst i september bedst: 56 kg N/ha (poppel) og 114 kg N/ha (pil) ▪ Ingen negativ effekt af høst af pil og poppel i ‘grise-sikker’ højde, tværtimod ▪ Fremadrettet: Folddesign, der muliggør dyrkning af (skyggetolerante) afgrøder mellem træerne? Mikrobiologisk binding af N i hotspots ▪ Kan binde store mængder N hurtigt (70% på 3 mdr.!) ▪ Kan ‘binde’ N i perioder med lavt N optag i afgrøder ▪ Findelt flis giver hurtig binding, større partikler langsommere binding. ▪ Timing vigtig – N bindes kun midlertidigt! Nyt folddesign med træer i foldens midte ▪ Hovedparten af gøde-adfærd (62%) observeret i træzonen ▪ Placering af hytte ændrer N-fordeling i folden - mere jævn fordeling? Production systems Air and water emissionsFarm nutrient management2024Conference paper, poster, etc.

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