Enhancing forest productivity through afforestation on arid salt affected sandy soils in Rajasthan

Authors

  • Ranjana Arya
  • R R Lohara

Keywords:

Salt affected, arid, survival, biomass, gypsum, nitrogen, mound practices

Abstract

Soil salinity/alkalinity is an important factor adversely affecting soil health and plant productivity on arid salt affected soils. In India, 6.73 m ha area has been reported to be salt affected of which about 50 % (2.98 m ha) occurs in Rajasthan, Gujarat, Haryana and Punjab. Utilization of these salt affected areas has become necessary owing to increasing need for fodder and fuel wood for rural poor but they require specific approaches for their reclamation. Experimental trials were conducted on lithic, calcid, coarse sandy to loamy sand salt affected soil in Jodhpur, Rajasthan to find out suitable exotic and indigenous plant species and planting practice to increase the production. Results on performances of various tree and shrub species with management practices showed that Salvadora persica (L) a preferential halophyte, evergreen multipurpose indigenous tree proved most versatile with 85.2 to 66.7 %, survival in different treatments at 72 months of age . Effect of treatments was positive and T6 (gypsum + 9g N) was the best treatment attaining 207cm of height and 212 cm of crown diameter, which was 38 % and 24 % more than the untreated plants. It produced 12.0 kg/tree of above ground biomass followed by 10.7kg and 8.8kg in T8 (gyp + 27g N) and T2 (9 g N) respectively which was 71%, 53% & 27% more than the control (untreated plants). There is no decrease in survival even after 18 years. In another experimental set up tree species like Sueada nudiflora, Atriplex lentiformis and Atriplex stocksii performed well on different types of mound techniques i.e. Double ridge mound (DRM) and Circular dished mound (CDM). Based on survival and growth S. nudiflora was the best species followed by A. lentiformis and A.stocksii. Overall DRM was the best planting practice producing maximum mean dry biomass. C. mopane (Kirk et Benth), an exotic species of south central Africa, maintained 89 % overall mean survival after five years and plants on CDM structure attained 113 & 158 cm as mean height and crown diameter respectively as compared to 101 & 151 cm for control at 60 months of age. Overall plants on CDM recorded a mean 1.45kg green biomass yield/plant which is 5.9% more compared to control (1.37kg) .

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Author Biographies

Ranjana Arya

Arid Forest Research Institute, P.O. Krishi Mandi, New Pali Road, Jodhpur 342 005, India

R R Lohara

Arid Forest Research Institute, P.O. Krishi Mandi, New Pali Road, Jodhpur 342 005, India

References

Arya R, Chaudhary KR & Lohara RR 2005. Effect of Nitrogen and gypsum on establishment and early growth of Salvadora persica (L.) in a salt affected soil in hot arid zone. Forest Trees and Livlihood, 15:291-306.
Arya R & Lohara RR. 200. Studies on mound practices for establishment and growth of various plant species on saline and waterlogged soil in hot arid zone. Indian Forester, 132(5): 556-564.
Arya R. 2009. Performance of Atriplex spp. on various soil structures on arid affected soil in Rajasthan. Current Agriculture, 33: 1-7.
Arya R. 2013 Managing Degraded Arid Sandy Salt affected Soils with Atriplex sp for improved Productivity. In: Proceedings of First Indian Forest Congress held at New Delhi during 9-11 March, 2011. ICFRE, Dehradun, pp 93-99.
Arya R, Lohara RR & Meena RL. 2014. Survival and biomass production of Salvadora persica on various types of salt affected soils under arid conditions in Rajasthan and Gujarat. Annals of Arid Zone, 53 (1): 43-49.
Amonkar DV & Karmakar SM. 1978. Ion regulation in Salvadora persica. Journal of Biological Science, 21: 13-18.
Bennet JG. 1983. A field guide to soil and site description in Zimbabwe. Technical Hand Book No. 6 Government Printer, Zimbabwe.pp: 60 .
Lock JM. 1989. Legumes of Africa: a check-list. Royal Botanic Gardens, Kew. 619 pp..
Motlhanka DM. 2008. Free radical scavenging activity of selected medicinal plants of Eastern Bostwana. Pak. J. Biol. Sci, 11(5):805-808.
Pasternak D, Aronson J A, Ben-Dov J, Forti M, Mendlinger S, Nerd A & Sitton D. 1986. Development of new arid zone crops for the Negev of Israel. Journal of Arid Environments, 11:37-59.
Sharma RC, Rao BRM and Saxena RK. 2004. Salt affected soils in India- Current assessment. In “Advances in Sodic Land Reclamation” International Conference on Sustainable Management of Sodic Lands (U. P. Council of Agricultural Research, Lucknow, pp: 1-26.
Uchiyama Y. 1987. Salt tolerance of Atriplex nummularia. Technical Bulletin of the Tropical Agricultural Research Center No 22. Tropical Agricultural Research Center, Yatabe, Tsukuba, Ibaraki, Japan, pp:69 .

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Published

2016-06-20

How to Cite

Arya, R., & Lohara, R. R. (2016). Enhancing forest productivity through afforestation on arid salt affected sandy soils in Rajasthan. Journal of Agriculture and Ecology, 1(1), 59–70. Retrieved from https://journals.saaer.org.in/index.php/jae/article/view/11