Catch crop

In agriculture, a catch crop is a fast-growing crop that is grown between successive plantings of a main crop.^[1] It is a specific type of cover crop that is grown between two main crops.^[2] This crop is utilized as a way to reduce nitrogen leaching but it also promotes environmental benefits such as fortifying soil structure, retention of water and enhancement of soil biological activity.^[3]^[4] Catch crops revolve around plant species that have short growing seasons, rapid growth, low soil and nutrients requirements to be considered a catch crop.^[4]

Catch cropping is a type of succession planting. It makes more efficient use of growing space. For example, radishes that mature from seed in 25–30 days can be grown between rows of most vegetables, and harvested long before the main crop matures. Or, a catch crop can be planted between the spring harvest and fall planting of some crops.

Leach reduction

Growing catch crops is to improve and help maintain soil organic matter. This is achieved by promoting an increase of activity of soil microbes. Cultivation of this type of crop helps retain nutrients, specifically nitrogen and phosphorus from leaching from the soil.^[4] To be able to get these benefits in a field there are multiple factors that have to be taken into account to obtain the most out of the catch crops. Those factors include harvesting date, soil tillage, and sow timing being the most crucial. When timing of sowing is postponed from the date that was recommended a decrease of catch crop efficiency, growth and over performance occurs where studies have shown a decrease uptake of N.^[5]

Soil-water management

Catch crops help protect soil against water erosion through its residue which increases soil roughness. The residue serves as a soil surface protection from splash effects as well contributes to lowering the surface runoff. Certain catch crop species are also able to create biopores by decaying roots which create flow paths in the soil causing an increase of water infiltration. Although during the crop growth they come to deplete soil water some species of catch crops help preserve water once they are killed.^[6]

References

^ J. A. R. Lockhart; A. J. L. Wiseman (17 May 2014). Introduction to crop husbandry including grassland). Elsevier. p. 111. ISBN 9781483190563. Retrieved 24 June 2015.
^ Malcolm, B. J.; Cameron, K. C.; Beare, M. H.; Carrick, S. T.; Payne, J. J.; Maley, S. C.; Di, H. J.; Richards, K. K.; Dalley, D. E.; de Ruiter, J. M. (2022-04-01). "Oat catch crop efficacy on nitrogen leaching varies after forage crop grazing". Nutrient Cycling in Agroecosystems. 122 (3): 273–288. Bibcode:2022NCyAg.122..273M. doi:10.1007/s10705-022-10201-9. hdl:10182/14839. ISSN 1573-0867. S2CID 247823075.
^ Vos, J.; van der Putten, P.E.L.; Hassan Hussein, Muktar; van Dam, A.M.; Leffelaar, P.A. (1998-04-01). "Field observations on nitrogen catch crops". Plant and Soil. 201 (1): 149–155. doi:10.1023/A:1004367530320. ISSN 1573-5036. S2CID 38809611.
^ ^a ^b ^c Żuk-Gołaszewska, Krystyna (20 Sep 2018). "Cath Crops and the Soil Environment- A Review of the Literature". jsite.uwm.edu.pl. Retrieved 19 March 2023.
^ Agneessens, Laura; De Waele, Jeroen; De Neve, Stefaan (2014). "Review of Alternative Management Options of Vegetable Crop Residues to Reduce Nitrate Leaching in Intensive Vegetable Rotations". Agronomy. 4 (4): 529–555. doi:10.3390/agronomy4040529. ISSN 2073-4395.
^ Gentsch, Norman; Heuermann, Diana; Boy, Jens; Schierding, Steffen; von Wirén, Nicolaus; Schweneker, Dörte; Feuerstein, Ulf; Kümmerer, Robin; Bauer, Bernhard; Guggenberger, Georg (2022-04-01). "Soil nitrogen and water management by winter-killed catch crops". Soil. 8 (1): 269–281. Bibcode:2022SOIL....8..269G. doi:10.5194/soil-8-269-2022. ISSN 2199-3971.

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[1] J. A. R. Lockhart; A. J. L. Wiseman (17 May 2014). Introduction to crop husbandry including grassland). Elsevier. p. 111. ISBN 9781483190563. Retrieved 24 June 2015.

[2] Malcolm, B. J.; Cameron, K. C.; Beare, M. H.; Carrick, S. T.; Payne, J. J.; Maley, S. C.; Di, H. J.; Richards, K. K.; Dalley, D. E.; de Ruiter, J. M. (2022-04-01). "Oat catch crop efficacy on nitrogen leaching varies after forage crop grazing". Nutrient Cycling in Agroecosystems. 122 (3): 273–288. Bibcode:2022NCyAg.122..273M. doi:10.1007/s10705-022-10201-9. hdl:10182/14839. ISSN 1573-0867. S2CID 247823075.

[:0-3] Vos, J.; van der Putten, P.E.L.; Hassan Hussein, Muktar; van Dam, A.M.; Leffelaar, P.A. (1998-04-01). "Field observations on nitrogen catch crops". Plant and Soil. 201 (1): 149–155. doi:10.1023/A:1004367530320. ISSN 1573-5036. S2CID 38809611.

[:1-4] Żuk-Gołaszewska, Krystyna (20 Sep 2018). "Cath Crops and the Soil Environment- A Review of the Literature". jsite.uwm.edu.pl. Retrieved 19 March 2023.

[5] Agneessens, Laura; De Waele, Jeroen; De Neve, Stefaan (2014). "Review of Alternative Management Options of Vegetable Crop Residues to Reduce Nitrate Leaching in Intensive Vegetable Rotations". Agronomy. 4 (4): 529–555. doi:10.3390/agronomy4040529. ISSN 2073-4395.

[6] Gentsch, Norman; Heuermann, Diana; Boy, Jens; Schierding, Steffen; von Wirén, Nicolaus; Schweneker, Dörte; Feuerstein, Ulf; Kümmerer, Robin; Bauer, Bernhard; Guggenberger, Georg (2022-04-01). "Soil nitrogen and water management by winter-killed catch crops". Soil. 8 (1): 269–281. Bibcode:2022SOIL....8..269G. doi:10.5194/soil-8-269-2022. ISSN 2199-3971.

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