Issue · 1990
Vol. 40, Iss. 4
11 articles · All issues →
ArticlesMycorrhizal associations in rock crevices Vasicular Arbuscular mycorrhizal infections in decaying aerial portions of Adiantum capillus-veneria L. Induced by VA mycorrhizal Bryophytes in rock crevices at Khanspur
S. H. Iqbal, Firdaus-e-Bareen
The bryophytes in rock crevices at Khanspur were observed to be heavily VA mycorrhizal. Extramatrical vesicular infections were common comprising of simple and aggregated granulated vesicles surrounding the rhizoids and senescing leaves of mosses (Funaria hygr…
25 May 2024- Articles
Experimental cultivation of Dioscorea deltoidea Wall at Kuza-Gali, Galies Forest Division
Shakeel Haider Zaidi, Anwar Ahmad Khan
Dioscorea deltoidea Wall. plant is known for its steroidal sapogenin extracted from rhizomes and is widely used as a precursor for synthesis of various steroidal drugs and sex hormones. In order to develop regeneration technology and its sustained supply, a nu…
25 May 2024 - Articles
A simulation study of runoff and soil loss from Riparian zone using answers model
Mohammad Noor
Riparian areas are important ecosystems in range-lands. Surface runo and soil loss from the un-grazed and grazed areas of sheep Creek Colorado, U.S.A. were simulated using the Areal Non-Point source Watershed Environment response Simulation (ANSWERS) model. Th…
25 May 2024 - Articles
Efficacy of water conservation techniques for the afforestation of watersheds in the scrub zone of Pakistan
Bashir Hussain Shah
To evaluate the efficacy of water conservation techniques for the establishment of forest plantation, an experiment was laid out at two sites, Kharian and Raisan (Kohat). Microcatchments, conservation trenches, gradonii and simple pits were used for planting E…
25 May 2024 - Articles
Wood as a source of energy in Pakistan (Current situation and future propects)
K. M. Siddiqui
This high dependence on fuel wood for domestic energy in Pakistan and a majority of population especially in the rural areas depends upon it. The estimates of annual demand are very high and most of it is met from tree grown on farmlands and wastelands; govern…
25 May 2024 - Articles
Performance of tropical grasses under semi-humid sub-tropical conditions of Pakistan
Nasir M. But, Noor Mohammad, Sartaj, M. I. Sultani
Twenty tropical grass species of six different general were grown in spring 1983 in the forage and pasture experimental area of NARC, Islamabad, Pakistan. All the grass strains were replicated thrice in the plots of 3x4 m size. The grass were harvested at grou…
25 May 2024 - Articles
Yield of biomass from Ipil Ipil (Leucaena leucocephala Lam. de. Wit) grown at different spacings
M. Tahir Laeeq, Raja Walayat Hussain
Biomass production by plants of Ipil Ipil (Leucaena leucocephala) planted at six different spacings at Pakistan Forest Institute was studied. The plants of 6 months, coppice shoots of 1 year and 2 year and 3 year age were harvested for determination of biomass…
25 May 2024 - Articles
Effect of conventional lopping of Prosopis cineraria on soil erosion and herbage production
Mohammad Rafique Sardar
This study was conducted to determine the effect of different lopping intensities of
25 May 2024 - Articles
Chemical evaluation of oil from Mentha piperita L.
Pazir Gul, Muhammad Farooq
Yield, physico-chemical characteristics and chemical composition of the oil from the leaves of Mentha piperita L. were determined. The results obtained compared well with those of oil from Mentha piperita Var. Valgaris, Mentha piperita L. and Mentha arvensis.…
25 May 2024 - Articles
Fuelwood scarcity in Pakistan
Mohammad Amjad
The National Commission on Agriculture (1988) underlined shortage of fuelwood in the country and projected a much bigger gap between demand and supply by turn of the century. Several other studies have made similar assertions about fuelwood situation in Pakist…
25 May 2024 - Articles
The wood shortage in Pakistan: Hypothetical contradictions
Charles W. McKetta
The Wood Shortage in Pakistan: Hypothetical Contradictions
25 May 2024