Issue · 1976
Vol. 26, Iss. 3
6 articles · All issues →
ArticlesEffect of radial growth rate on ray number and dimension of some of the ring porous hard-woods
Mohammad Ayaz
Radial growth rate as indicated by ring width influenced ray frequency and dimensions in samples of wood having wide and narrow growth rings of ash (Fraxinus excelsior), Bakain (Melia azedarach), Elm (Ulmas laevigata) and Mulberry (Morus alba). Ash, Elm and Mu…
25 May 2024- Articles
Effect of soil salinity on the ectomycorrhizal nodules in Eucalyptus camaldulensis Dehn.
Abdul Khalique, A. R. Beg
The work reported here is part of an investigation on the physiological basis of salinity tolerance in Eucalyptus camaldulensis Dehn., - a species extensively planted under irrigated conditions in Pakistan (Khan, 1955). Presented here is the description of an…
25 May 2024 - Articles
The Utilization of food by bigheaded grasshopper, Aulocara elliotti (Thomas)
Naseer Hussain, R. E. Pfadt
Aulocara elliotti nymphs were raised from the first nymphal stage to the final instar on the leaves of crested wheat grass and western wheatgrass. The average efficiency of Conversion of Ingested Food to Body Substance (E.C.Ia of the male grass-hoppers fed on…
25 May 2024 - Articles
Gazette Notificatons
Editor
Gazette Notifications
25 May 2024 - Articles
History of Forest Management in Pakistan-II, Temperate Coniferous Forests
Ghaus Mohammad Khattak
The temperate coniferous forests Pakistan and Azad Kashmir have all along been mostly worked under the selection system since their management was initiated in 1900. The uniform system was briefly tried in Galis (1924 to 1939) and Upper Siran (1927 to 1954) bu…
25 May 2024 - Articles
Heredity deals the cards but environment plays the hands - A method of assessing forest site productivity
M. B. Shrivastava, B. Ulrich
This paper examines critically the problems of Forest Sites Evaluation and the methods used to solve them so far. The chief components of Eco-Systems determining the growth potential of forest lands have been discussed. The dependent variable of site quality e…
25 May 2024