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KVS Satyanarayana, RP Dhir (1959)
All India Soil & Landuse Survey, Central Soil Cons Board
(1959)
Soil and landuse survey, Bainkhala area of Dehradun district
(1986)
Effect of trees on the yield of field crops in agro-forestry system under rainfed conditions. In: Gupta RK and Khybri ML, eds, Soil conservation in India
ML Khybri, RK Gupta, Ram Sewa, SN Prasaid (1986)
Soil conservation in India
(1986)
Effect of trees on the yield of field crops in agroforestry system under rainfed conditions
Studies on tree crop interaction under rainfed condition in Dehradun valley were conducted for 13 years during 1977 to 1990. Grewia optiva (Bhimal), Morus alba (Mulbery) and Eucalyptus hybrid were tried along with rice (CV: Akashi) — wheat (CV: RR-21) rotation. One-year-old tree seedlings of the above tree species were planted in line, 5 m apart in N-S direction, in July 1977, in the middle of the plot (size 20 m × 20 m). Eucalyptus was first harvested in 1987. Grewia optiva, Morus alba and coppice of Eucalyptus were harvested in 1990. All tree species had depressing effect on crop yields. Eucalyptus had maximum effect in depressing crop yield till the first harvest and had least effect thereafter. From 1987 onwards, Morus alba affected rice most, while wheat was mostly affected by Grewia optiva. The depressing effect on an average varied from 28 to 34% depending upon the species.
Agroforestry Systems – Springer Journals
Published: May 8, 2004
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