Vol. 6 (4) : July-August 2015 issue
Green Farming Vol. 6 (4) : 772-777 ; July-August, 2015
Evolutional study of nutrient and fertility status of teak (Tectona grandis) and bamboo (Dendrocalamus strictus) agroforestry plantations in Vertisols
K.S. BHARATH KUMAR1*, V.D. GULDEKAR2, V.M. ILLORKAR3, N.K. RAJESH KUMAR4 and STANZIN LAKDAN5
Deptt. of Soil Science & Agricultural Chemistry, University of Agricultural Science, Raichur - 584 102 (Karnataka)
Designation : 1,4,5Ph.D. Scholar *(rajeshmtechster@gmail.com), 2Professor & Head, 3Principle Investigator
Subject : Soil Science & Agric. Chemistry; Soil Health & Soil Conservation Engg.
Paper No. : P-2239
Total Pages : 6
Received : 04 July 2014
Revised accepted : 16 June 2015
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Citation :
K.S. BHARATH KUMAR, V.D. GULDEKAR, V.M. ILLORKAR, N.K. RAJESH KUMAR and STANZIN LAKDAN. 2015. Evolutional study of nutrient and fertility status of teak (Tectona grandis) and bamboo (Dendrocalamus strictus) agroforestry plantations in Vertisols. Green Farming Vol. 6 (4) : 772-777 ; July-August, 2015
ABSTRACT
An investigation was carriedout at Agroforestry research farm, Nagpur, to study the potential contribution of teak (planted during 1992, 1994, 1997 and 2004) and bamboo (planted during 1992, 1994, 1997) plantations on soil fertility status. The study evaluates the soil nutrient status in agroforestry research farm which was compared with cultivable land. Soil samples were taken from different depths 0-15 cm and 15-30 cm of 8-19 year old teak, 14-19 year old bamboo plantations and farm land, respectively. Samples were analyzed for pH, OC, inorganic carbon (IOC), available N, P, K, S and exchangeable Ca and Mg. Soil pH was lower in the teak plantation planted during 1994 at a spacing of 3 x 3m followed by other plantations and higher pH was observed in cultivable land. Higher OC, IOC, available potassium, sulphur and exchangeable calcium and magnesium concentrations was observed in bamboo planted area than teak plantations and farm land. Available nitrogen and phosphorus was significantly higher in teak (1994 3X3m) followed by bamboo plantations and cultivable land.
Key words :
Agroforestry, Bamboo, Inorganic carbon, Organic carbon, Soil fertility, Teak.