Monday, December 18

Tree Growth in The Farmlands of The Punjab

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The number of trees per ha is 16.9 for all areas; 18.7 in irrigated and 6.2 in un-irrigated areas. Shisham (42%), Phulai (20%), Kiker (11%), Bakain (7%), and Mango (6%) are the main species in irrigated areas. Ber (31%), Phulai (20%), Kiker (19%) and Shisham (7%) are the predominant species in un-irrigated areas. Tree stock mostly consists of young trees. About 75% of all trees have diameter smaller than 24 cm. The total estimated volume of growing stock is 46.6 million m³ of which 44.1 million m³ (95%) is in irrigated areas. The per ha volume of growing stock is 3.9 m³ for all areas. The farmers felled about 14.8 million trees (7.4% of the total tree stock) and removed 9.4 million m³ of wood (20% of the total growing stock) from their farmlands during 1990-91 for meeting their own requirements and for the purpose of sale. The stumpage value of annual wood removals from farmlands is estimated at 5.7 billion rupees. The tree stock is equivalent to 0.73 million ha of planatation forests.

POTENTIAL OF CANAL BANKS, ROADS AND RAIL TRACK FOR WOOD AND FORAGE PRODUCTION.

Pakistan at present is facing a very serious wood and forage crisis with an annual deficiency of 0.74 mill m³ which is expected to become even more serious and chronic with a deficiency of 1.14 mill m³ by the year 2000 unless all possible resources of land water, labour and organization are not directed towards this end.

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