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Note to the reader: This general fiche summarises all the environmental and climate impacts of SOIL AMENDMENT WITH LIME OR GYPSUM found in a systematic review of 7 synthesis research paperspapers [1]. These papers were selected from an initial number of 35 obtained through a systematic literature search strategy, according to the inclusion criteria reported in section 4.    

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Description  

  • Soil amendments are the practices used to improve the soil quality in terms of its structure and biochemical function. Most amendments use calcium-containing minerals, such as lime or gypsum. Both types of amendment have  different chemical properties, as explained in Key descriptors.  

Key descriptors 

  • Different types of calcium-containing minerals are used in practice, in particularparticular [2] 
  • Lime refers to a material that can come in different forms, especially calcium carbonate (CaCO3) and magnesium carbonate (MgCO3). It is used to reduce soil acidity and to add calcium or magnesium to the soil. 
  • Gypsum, or calcium sulfate dihydrate, (CaSO4 ·2H₂O), is a neutral salt. It can be used to improve soil calcium and sulphur levels. Gypsum is about 200 times more soluble than agricultural lime, allowing it to move readily down the soil profile where it can help to alleviate a range of subsoil problems. In some acid soils, gypsum can be used to ameliorate subsoil aluminium toxicity, while in saline alkaline soils to alleviate sodium toxicity and to regulate soil pH, bulk density and water infiltration. 

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Ref. Num 

Authors 

Year 

Title 

Reference 

DOI 

1 

Hijbeek R, van Loon MP, Ouaret W, Boekelo B, van Ittersum MK 

2021  

Liming agricultural soils in Western Kenya: Can long-term economic and environmental benefits pay off short term investments?  

Agricultural Systems 190, 103095  

10.1016/j.agsy.2021.103095  

2 

Wang Y, Wang Z, Liang F, Jing X, Feng W  

2021  

Application of flue gas desulfurization gypsum improves multiple functions of saline-sodic soils across China.  

Chemosphere. 277:130345  

10.1016/j.chemosphere.2021.130345  

3 

Kong L, Guo Z, Peng C, Xiao X, He Y  

2021  

Factors influencing the effectiveness of liming on cadmium reduction in rice: A meta-analysis and decision tree analysis  

Sci Total Environ. 779:146477  

10.1016/j.scitotenv.2021.146477  

4 

Pias, OHD; Tiecher, T; Cherubin, MR; Silva, AGB; Bayer, C  

2020  

Does gypsum increase crop grain yield on no-tilled acid soils? A meta-analysis  

Agronomy Journal 112, 675–692.  

10.1002/agj2.20125  

5 

Li Y.; Cui S.; Chang S.X., Zhang Q.  

2019  

Liming effects on soil pH and crop yield depend on lime material type, application method and rate, and crop species: a global meta-analysis. Journal of Soils and Sediments 19(4)  

J Soils Sediments 19:1393–406  

10.1007/s11368-018-2120-2  

6 

Eze, S; Palmer, SM; Chapman, PJ.  

2018  

Soil organic carbon stock in grasslands: Effects of inorganic fertilizers, liming and grazing in different climate settings  

Journal of Environmental Management 223, 74-84  

10.1016/j.jenvman.2018.06.013  

7 

Tiecher, T; Pias, OHD; Bayer, C; Martins, AP; Denardin, LGD; Anghinoni, I  

2018  

Crop Response to Gypsum Application to Subtropical Soils Under No-Till in Brazil: a Systematic Review  

Revista Brasileira de Ciencia do Solo 42:170025  

10.1590/18069657rbcs20170025  

[1] Synthesis research papers include either meta-analysis or systematic reviews with quantitative results.

[2] References used: