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Agronomy 2013, 3(1), 59-85; doi:10.3390/agronomy3010059

Effects of Previous Crop Management, Fertilization Regime and Water Supply on Potato Tuber Proteome and Yield

1
School of Agriculture, Food and Rural Development, Molecular Agriculture Group, Nafferton Ecological Farming Group, Newcastle University, Nafferton Farm, Stocksfield, UK
2
School of Biology, Molecular Agriculture Group, Newcastle University, Newcastle-Upon-Tyne, NE1 7RU, UK
*
Author to whom correspondence should be addressed.
Received: 19 November 2012 / Revised: 7 December 2012 / Accepted: 21 December 2012 / Published: 15 January 2013
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Abstract

There is increasing concern about the sustainability and environmental impacts of mineral fertilizer use in agriculture. Increased recycling of nutrients via the use of animal and green manures and fertilizers made from domestic organic waste may reduce reliance on mineral fertilizers. However, the relative availability of nutrients (especially nitrogen) is lower in organic compared to mineral fertilizers, which can result in significantly lower yields in nutrient demanding crops such as potato. It is therefore important to gain a better understanding of the factors affecting nutrient use efficiency (yield per unit fertilizer input) from organic fertilizers. Here we show that (a) previous crop management (organic vs. conventional fertilization and crop protection regimes), (b) organic fertilizer type and rate (composted cattle manure vs. composted chicken manure pellets) and (c) watering regimes (optimized and restricted) significantly affected leaf chlorophyll content, potato tuber N-concentration, proteome and yield. Protein inference by gel matching indicated several functional groups significantly affected by previous crop management and organic fertilizer type and rate, including stress/defense response, glycolysis and protein destination and storage. These results indicate genomic pathways controlling crop responses (nutrient use efficiency and yield) according to contrasting types and rates of organic fertilizers that can be linked to the respective encoding genes. View Full-Text
Keywords: 2D-electrophoresis; chicken manure pellets; cattle manure; fertilization regime; potato; protein profile; Solanum tuberosum; water use 2D-electrophoresis; chicken manure pellets; cattle manure; fertilization regime; potato; protein profile; Solanum tuberosum; water use
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This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Tétard-Jones, C.; Edwards, M.G.; Rempelos, L.; Gatehouse, A.M.; Eyre, M.; Wilcockson, S.J.; Leifert, C. Effects of Previous Crop Management, Fertilization Regime and Water Supply on Potato Tuber Proteome and Yield. Agronomy 2013, 3, 59-85.

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