Constraints and Solutions to Maintain Soil Productivity: A Case Study from Central Europe

Grzebisz, W.; Diatta, Jean

doi:10.5772/28917

Cited by 11 publications

(15 citation statements)

References 28 publications

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“…The level of grain yields in Poland is approximately 4 t ha -1 , which constitutes 66% of the attainable yield as defined by the water supply. As reported by Grzebisz and Diatta (2012), the main reason for low yields is not only the water supply but also the limited supply of nutrients, mainly potassium. This has been fully corroborated by data from field experiments.…”

Section: A Framework For the Wue Conceptmentioning

confidence: 94%

“…However, actual yields show a much deeper contrast between European countries (Olesen and Bindi, 2002;Supit et al, 2010). The size of the yield gap depends upon both the growth conditions (soil and climate) and nutrient management, especially K (Grzebisz and Fotyma, 2007;Grzebisz and Diatta, 2012;Olesen and Bindi, 2002;Rabbinge and van Diepen, 2000).…”

Section: Wheatmentioning

confidence: 99%

“…As reported by Wood et al (2000), K depletion is a major reason for the degradation of arable land in southeast Asia, Latin America, and the Caribbean. Agriculture in Central Europe is orientated towards K mining and is the principal reason for low water-use efficiency, resulting in considerable seasonal variability in yields (Grzebisz and Diatta, 2012). Thus, the primary objective for farmers is to decrease the year-to-year variability of harvested yields.…”

Section: Introductionmentioning

confidence: 99%

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The effects of potassium fertilization on water‐use efficiency in crop plants

Grzebisz

Gransee

Szczepaniak

et al. 2013

Z. Pflanzenernähr. Bodenk.

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120

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The supplies of water and nitrogen to a plant during its critical stages of growth are the main factors that define crop yield. A crop experiences irregular water deficits during its life cycle in rainfed agriculture. An effective anti-stress-oriented approach therefore ought to focus on increasing the units of water productivity. The main objective of this conceptual review is to confirm that adequate K management can be used as an important tool to alleviate the negative effects of water deficit on plant growth, yield-component formation, and yield. The French and Schultz approach of using the water-limited yield (WLY) was modified in this review into a graphical form and was used to discriminate between yield fractions that depended on the volume of transpired water from those that were induced by K fertilizer. By using this method, it was possible to demonstrate the extent of several crop (winter wheat, spring triticale, maize, sugar beet) responses to the K supply. Yield increases resulting from K application mostly appeared under conditions of mild water deficit. As described for sugar beet, finding the critical period of crop K sensitivity is a decisive step in understanding its impact on water-use efficiency. It has been shown that an insufficient supply of K during crucial stages in the yield formation of cereals (wheat, spring triticale), maize, and sugar beet coincides with a depressed development in the yield components. The application of K fertilizer to plants is a simple agronomic practice used to increase crop tolerance to a temporary water shortage. It may be that the improvement of a plant's access to K during mild water-deficiency stress will increase water uptake by the root cells, which in turn increases their osmotic potential and thereby allows extension growth. This growth in turn promotes access to other mineral elements (including nitrogen) and water, which favor plant growth and yield.

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Section: A Framework For the Wue Conceptmentioning

confidence: 94%

Section: Wheatmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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The effects of potassium fertilization on water‐use efficiency in crop plants

Grzebisz

Gransee

Szczepaniak

et al. 2013

Z. Pflanzenernähr. Bodenk.

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120

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“…The recent study conducted in Canada showed that the shortage of potassium reduces grain of maize by 13% [44]. In the Central-Eastern European countries, during the last two decades, the supply of nitrogen has not been balanced with potassium and phosphorus, in turn seriously limiting harvested yields of cereals [45].…”

Section: Plant Growth Stages -Yield Forming Function Of Potassiummentioning

confidence: 99%

Sustainable Management of Soil Potassium – A Crop Rotation Oriented Concept

Grzebisz¹,

Szczepaniak²,

Potarzycki³

et al. 2012

Soil Fertility

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“…Only between 2% and 10% of the total K in soils are not fixed in soil minerals and therefore available for uptake by plants (Sparks, ). On a global scale, large areas of arable soils are deficient in K, including two‐third of the southern Australian wheat belt (Römheld & Kirkby, ) and the sandy soils predominating in many parts of eastern Central Europe, mainly in Poland and Bulgaria (Grzebisz & Diatta, ). Sugar beet is an important annual crop in Central Europe, and field experiments showed that long‐term omitted K fertilization significantly reduces beet yield (Grzebisz, Gransee, Szczepaniak, & Diatta, ; Schilling, Eißner, Schmidt, & Peiter, ) as well as white sugar yield (WSY) (Römer, Claassen, Steingrobe, & Märländer, ).…”

Section: Introductionmentioning

confidence: 99%

Leaf, canopy and agronomic water‐use efficiency of field‐grown sugar beet in response to potassium fertilization

Jákli

Hauer-Jákli

Böttcher

et al. 2017

J Agronomy Crop Science

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Potassium (K) fertilization is important to maintain adequate concentrations of plant available K in agricultural soils to achieve best yields and improve crop stress tolerance and water-use efficiency (WUE). Water-use efficiency (WUE) can be expressed on various spatiotemporal scales, and it is known that responses of WUE to external stress are not uniform across scales. Multiscale evaluations of the impact of varying K fertilization on the WUE of C 3 crops under field conditions are missing so far. In the present field study, we evaluated effects of K fertilization on WUE of sugar beet (Beta vulgaris L.) on short-termed leaf-(WUE Leaf ) and canopy-scales (WUE Canopy ) and as the agronomic ratio of white sugar yield (WSY) to in-season water use (i.e. WUE WSY ). In K-fertilized plots, WUE WSY was enhanced by 15.9%. This effect is attributed to increased beet yield and WSY, as no differences in total in-season water use between fertilized and unfertilized plots were observed. Potassium (K) fertilization significantly enhanced the leaf area index, resulting in a more efficient depletion of soil moisture by roots in K-fertilized plots. As a consequence, WUE Leaf was increased due to stomatal adjustment. Potassium (K) improved WUECanopy only by tendency. It is concluded that K fertilization improves the WUE of field-grown sugar beet across scales, but processes that regulate WUE are highly scale dependent.

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Constraints and Solutions to Maintain Soil Productivity: A Case Study from Central Europe

Cited by 11 publications

References 28 publications

The effects of potassium fertilization on water‐use efficiency in crop plants

The effects of potassium fertilization on water‐use efficiency in crop plants

Sustainable Management of Soil Potassium – A Crop Rotation Oriented Concept

Leaf, canopy and agronomic water‐use efficiency of field‐grown sugar beet in response to potassium fertilization

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