Site-Specific Nutrient Management

Edited by
March 2022
224 pages
  • ISBN978-3-0365-1344-7 (Hardback)
  • ISBN978-3-0365-1343-0 (PDF)

This book is a reprint of the Special Issue Site-Specific Nutrient Management that was published in

Biology & Life Sciences
Chemistry & Materials Science
Environmental & Earth Sciences

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 reliable diagnostic tools. The necessary set of diagnostic tools, based classically on pedological and agrochemical methods, should be currently supported by remote-sensing methods. A combination of these two groups of methods is the only way to recognize the factors responsible for yield gap (YG) appearance and to offer a choice of measures for its effective amelioration. The NG concept is discussed in the two first papers (Grzebisz and Łukowiak, Agronomy 2021, 11, 419; Łukowiak et al., Agronomy 2020, 10, 1959). Crop productivity depends on a synchronization of plant demand for nitrogen and its supply from soil resources during the growing season. The action of nitrate nitrogen (N–NO3), resulting in direct plant crop response, can be treated by farmers as a crucial growth factor. The expected outcome also depends on the status of soil fertility factors, including pools of available nutrients and the activity of microorganisms. Three papers are devoted to these basic aspects of soil fertility management (Sulewska et al., Agronomy 2020, 10, 1958; Grzebisz et al., Agronomy 2020, 10, 1701; Hlisnikovsky et al., Agronomy 2021, 11, 1333). The resistance of a currently cultivated crop to seasonal weather variability depends to a great extent on the soil fertility level. This aspect is thoroughly discussed for three distinct soil types and climates with respect to their impact on yield (Hlisnikovsky et al., Agronomy 2020, 10, 1160—Czech Republic; Wang et al., Agronomy 2020, 10, 1237—China; Łukowiak and Grzebisz et al., Agronomy 2020, 10, 1364—Poland). In the fourth section of this book, the division a particular field into homogenous production zones is discussed as a basis for effective nitrogen management within the field. This topic is presented for different regions and crops (China, Poland, and the USA) (Cammarano et al., Agronomy 2020, 10, 1767; Panek et al., Agronomy 2020, 10, 1842; Larson et al., Agronomy 2020, 10, 1858).

  • Hardback
License and Copyright
© 2022 by the authors; CC BY-NC-ND license
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; spatial variability; winter wheat; winter triticale; vegetation indices; NDVI; grain yield; number of spikes; economics; normalized difference vegetation index (NDVI); on-the-go sensors; site-specific nutrient management; winter oilseed rape → winter triticale cropping sequence; mineral N; N input; N total uptake; N balance; N gap; Beta vulgaris L.; organic manure; weather conditions; soil chemistry; sugar concentration; climatic potential yield; yield gap; nitrogen use efficiency; soil constraints; subsoil; spatial variability; remote sensing-techniques; field; a field; crop production; sustainability; homogenous productivity units; soil fertility; nitrogen indicators: in-season; spatial; vertical variability of N demand and supply; spectral imagery; vegetation indices

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