Natural and Managed Grasslands Productivity during Multiyear in Ex-Arable Lands (in the Context of Climate Change)

Liudmila Tripolskaja, Asta Kazlauskaite-Jadzevice, Virgilijus Baliuckas and Almantas Razukas
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Liudmila Tripolskaja: Lithuanian Research Centre for Agriculture and Forestry, Vokė Branch, Žalioji 2, LT-02232 Vilnius, Lithuania
Asta Kazlauskaite-Jadzevice: Lithuanian Research Centre for Agriculture and Forestry, Vokė Branch, Žalioji 2, LT-02232 Vilnius, Lithuania
Virgilijus Baliuckas: Lithuanian Research Centre for Agriculture and Forestry, Institute of Forestry, Liepu˛ Str. 1, LT-53101 Girionys, Lithuania
Almantas Razukas: Lithuanian Research Centre for Agriculture and Forestry, Vokė Branch, Žalioji 2, LT-02232 Vilnius, Lithuania

Agriculture, 2021, vol. 11, issue 3, 1-13

Abstract: Ex-arable land-use change is a global issue with significant implications for climate change and impact for phytocenosis productivity and soil quality. In temperate humid grassland, we examined the impact of climate variability and changes of soil properties on 23 years of grass productivity after conversion of ex-arable soil to abandoned land (AL), unfertilized, and fertilized managed grassland (MG unfert and MG fert , respectively). This study aimed to investigate the changes between phytocenosis dry matter (DM) yield and rainfall amount in May–June and changes of organic carbon (C org ) stocks in soil. It was found that from 1995 to 2019, rainfall in May–June tended to decrease. The more resistant to rainfall variation were plants recovered in AL. The average DM yield of MG fert was 3.0 times higher compared to that in the AL. The DM yields of AL and MG were also influenced by the long-term change of soil properties. Our results showed that C org sequestration in AL was faster (0.455 Mg ha −1 year −1 ) than that in MG fert (0.321 Mg ha −1 year −1 ). These studies will be important in Arenosol for selecting the method for transforming low-productivity arable land into MG.

Keywords: land use; rainfall; soil properties; C org stocks; Arenosol (search for similar items in EconPapers)
JEL-codes: Q1 Q10 Q11 Q12 Q13 Q14 Q15 Q16 Q17 Q18 (search for similar items in EconPapers)
Date: 2021
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