Site-Specific Nutrient Management

The concept of nitrogen gap (NG), i.e., its recognition and amelioration, forms the core of this book entitled Site-Specific Nutrient Management (SSNM). Determination of the presence of an NG between fields on a farm and/or within a particular field, together with its size, requires a set of highly...

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Detalles Bibliográficos
Otros Autores:	Grzebisz, Witold (Editor)
Formato:	Libro electrónico
Idioma:	Inglés
Publicado:	Basel MDPI - Multidisciplinary Digital Publishing Institute 2022
Materias:	Research & information: general Biology, life sciences Technology, engineering, agriculture Triticum aestivum L. farmyard manure mineral fertilizers crude protein content soil properties, site-specific requirements yield site-specific nitrogen management regional optimal nitrogen management net return nitrogen use efficiency spatial variability temporal variability seed density N uptake indices of N productivity mineral N indigenous Nmin at spring post-harvest Nmin N balance N efficiency maximum photochemical efficiency of photosystem II chlorophyll content index soil enzymatic activity biological index fertility nitrogenase activity microelements fertilization (Ti Si B Mo Zn) soil nitrate nitrogen content contents of available phosphorus potassium magnesium calcium cardinal stages of WOSR growth PCA site-specific nutrient management soil brightness satellite remote sensing crop yield soil fertility winter wheat winter triticale vegetation indices NDVI grain yield number of spikes economics normalized difference vegetation index (NDVI) on-the-go sensors winter oilseed rape → winter triticale cropping sequence N input N total uptake N gap Beta vulgaris L. organic manure weather conditions soil chemistry sugar concentration climatic potential yield yield gap soil constraints subsoil remote sensing-techniques field a field crop production sustainability homogenous productivity units nitrogen indicators: in-season spatial vertical variability of N demand and supply spectral imagery
Ver en Biblioteca Universitat Ramon Llull:	https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009660399906719