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Nadagoudar, B. S.
- Integrated Nutrient Management in Teak through Fertigation
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Indian Forester, Vol 128, No 3 (2002), Pagination: 341-347Abstract
A trial on integrated nutrient management in teak through fertigation was conducted on medium black soils during 1995 at 'Teak Farm' Murakatti, Dharwad (Karnataka) under irrigated conditions. Teak was planted at 2 m apart. The factorial experiment consisted of three fertilizer levels, viz., D1 100:50:100, D2 200:100:200, D3 300:150:300, N:P205:K2O kg/ha and five frequencies of fertigation, viz., F1-two, F2-three, F3-four, F4-six splits a year, F5-soil application in two splits. Biomass production did not differ significantly during first year. The total biomass (28 MAP) increased significantly by 9.6 and 6.1 percent in D2 and D3 levels, respectively as compared to D1 level. Similar trend was observed in height, dbh and basal area. Fertigation in six splits a year increased the total biomass of teak by 36 percent as compared two splits of fertigation or soil application in a year. Both height and dbh were significantly higher with fertigation in six splits as compared to soil application. Ibteraction effect was non-significant.- Suitability of Tree Species in an Agroforestry System in Hill Zone of Karnataka
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Indian Forester, Vol 126, No 11 (2000), Pagination: 1187-1190Abstract
An experiment involving arable crops (paddy, maize, sunhemp), silvicultural crops (E. tereticornis, C. equisetifolia, A. molucana, T. grandis, D. sissoo), horticultural crop (Sapota) and pasture (grass) was initiated in clayey soils of Prabhunagar, Dharwad during 1976. Sapota was planted at 10 m apart and three trees were planted in between 2 Sapota plants. Grass was planted in 1 m wide strip on either side of Sapota+tree species. At the end of 17 years the trees were felled. Among five trees studied, income from Teak was higher (Rs. 1,47,924/ha) followed by eucalyptus (Rs.67,883/ha), thus indicating Teak as the most suitable tree species for adopting Teak based agroforestry system of landuse in hill zone of Karnataka. Total income from field crops+Sapota+Teak was 46 per cent higher than growing field crops+Sapota.- Effect of Teak on Yield and Yield Components of Field Crops
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Indian Forester, Vol 132, No 8 (2006), Pagination: 980-984Abstract
An experiment consisting of teak, field crops, fodder crops was started during 1984 on red gravelly soil at Main Research Station UAS, Dharwad under rainfed condition. The objective of the experiment was to study the effect of teak on yield and yield comoponents on associated crops. Teak was planted at 10m apart with 2m between plants. Pastures were planted in 1m strip either side of teak rows. Sorghum and groundnut were grown in interspace of teak rows during 1996 and 1997. Sorghum grain yield, effective population, grain and straw yield and 1000 grain weight decreased significantly in agroforestry system as compared to sole crop. Similarly groundnut yield, pod/haulm yield per plant, pod number, 100 kernal weight and effective population were lower in agroforestry system as compared to sole groundnut. Teak growth (height and dbh) was higher teak with field crops as compared to teak+pastures with field crops. Based on net returns, benefit cost ratio, teak with sorghum/ groundnut is economically viable agroforestry system in transitional zone.- Horti-silvi-pastoral : a Sustainable System to Increase the Productivity of Rangeland
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Authors
B. S. Nadagoudar
,
S. I. Hanamashetti
,
S. L. Madiwalar
,
S. B. Devaranavadagi
,
S. M. Mutanal
,
S. K. Gumaste