Issue · 1994
Vol. 44, Iss. 4
6 articles · All issues →
ArticlesLaboratory experiments on microbial control of Pityogenes chalcographus L. (Col. scolytidae) with entomopathogenic fungi
G. A. Bajwa, R. Kehr, G. Zimmermann
The entomogenous fungi Beauveria bassiana (Bals) Vuill. (Bba 3), Metarhizium anisopliae (Metch) Sorok, (Ma 3, Ma 6 and Ma 43), Paecilomyces fumosoroseus (Wize) Brown et Smith (Pfr 11) and P. cicadae (Miquel) Samson (Pc 3) were tested in the laboratory for viru…
25 May 2024- Articles
Benefit: Cost analysis and effect of trees of Acacia nilotica growing in wheat fields
Muhammad Hafeez, Wahid Rasheed
A study was carried out in village Bheaky, District Sialkot. Forty five trees of Acacia nilotica were selected to determine their effect on wheat crop. All the trees varied in diameter and height and were on the southern side of the wheat field. The trees were…
25 May 2024 - Articles
Allelopathic effect of Eucalyptus camaldulensis on wheat (Triticum aestivum) crop
Mohammad Rafique, Mohammad Hafeez
Allelopathic effects of different parts of Eucalyptus camaldulensis were studied in this experiment. Wheat variety Faisalabad 83 and Fiasalabad 85 were irrigated with 5% solution of fresh leaves, dry leaves, fresh bark, dry bark, whereas pure water was used fo…
25 May 2024 - Articles
The environmental impacts of deforestation, size and scale of alternate and sustainable energy supply in dry and cold mountain areas
K. M. Siddiqui
The mountain areas in Pakistan, though constituting a fairly large portion of total land area and supporting about 10% of the total population of 130 million of the country, have always been neglected and marginalised as far as development activities in them a…
25 May 2024 - Articles
Phenological study of some forest tree species growing under Peshawar conditions
Muhammad Shabir Mughal, Muhammad Arif Chaudhary
A study of 33 tree species belonging to 18 families indicated that majority of the species (14 out of 33) flowered in the month of April, followed by May (6 species), March (4 species), June and November (2 species each) and January, August, September and Octo…
25 May 2024 - Articles
Suitability of some woody and non-woody raw-materials for pulp and paper as based on fiber dimension
Muhammad Ayaz
Pakistan is deficient in pulp and paper. This is mainly because of shortage of raw material for this industry in the country. To broaden the raw material base for paper manufacture, studies were under taken to investigate the suitability of some of the home gr…
25 May 2024