The potential of intercropping food crops and energy crop to improve productivity of a degraded agriculture land in arid tropics

Authors

  • I K D Jaya UNRAM
  • N Nurrachman UNRAM
  • J Jayaputra UNRAM

DOI:

https://doi.org/10.15243/jdmlm.2014.013.111

Keywords:

soil organic carbon, biodiversity, castor, maize, mungbean, land equivalent ratio

Abstract

Degraded agricultural lands in the arid tropics have low soil organic carbon (SOC) and hence low productivity. Poor farmers that their livelihoods depend highly on these types of lands are suffering. Cropping strategies that are able to improve the soil productivity are needed. In the present study, some intercropping models of food crops with bio-energy crop of castor (Ricinus communis L.) were tested to assess their potential to improve the degraded land productivity. The intercropping models were: (1) castor - hybrid maize, (2) castor – short season maize, (3) castor – mungbean, and (4) castor –short season maize – mungbean. The results show that yields of the component crops in monoculture were relatively the same as in intercropping, resulted in a high Land Equivalent Ratio (LER). The highest LER (3.07) was calculated from intercropping castor plants with short season maize crops followed by mungbean with intercropping productivity of IDR 15,097,600.00 /ha. Intercropping has a great potential to improve degraded agriculture land productivity and castor is a promising plant to improve biodiversity and area coverage on the land.

Author Biographies

I K D Jaya, UNRAM

Lecturer

N Nurrachman, UNRAM

Lecturer

J Jayaputra, UNRAM

LECTURER

References

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Submitted

30-05-2014

Accepted

30-05-2014

Published

30-05-2014

How to Cite

Jaya, I. K. D., Nurrachman, N., & Jayaputra, J. (2014). The potential of intercropping food crops and energy crop to improve productivity of a degraded agriculture land in arid tropics. Journal of Degraded and Mining Lands Management, 1(3), 111–116. https://doi.org/10.15243/jdmlm.2014.013.111

Issue

Vol. 1 No. 3 (2014)

Section

Research Article

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