Articles
1,213 open-access articles · page 37 of 61
ArticlesSeasonal history of greasy cutworm Agrotis ypsilon rott at Peshawar
Hanif Gul, M. Ismail Chaudhry
The seasonal history studies revealed that moth emergence starts in the end of February or early March reaching the maximum of 84 moths in the week of March. The moth catch went down to zero in the end of March and again rose to a peak of 42 in the 2nd week of…
25 May 2024- Articles
Yeild regulation by area-volume check method: A case study at Sao Hill in Tanzania
Aaron S. M. Mgeni
Sao Hill is the largest forest project in Tanzania with 30,000 hectares planted by 1983. Its final target is 65,000 hectares. It supports a state owned sawmill and a pulp and paper mill. Managing this forest on a non-declining yield basis is the main objective…
25 May 2024 - Articles
Chemical evaluation of oil from Mentha arvensis Part-1 - Exraction and Chemical assay of oil
Pazir Gul, F. W. Khan
Yield, physico - Chemical constants and chemical composition of oil from the leaves of Mentha arvensis., were determined. The results obtained were compared with those of oil from Mentha piperita L; Mintha piperita var. Vulgaris and Mintha arvensis. It was obs…
25 May 2024 - Articles
Suitability of Eucalyptus kitsoniana for planting in Pakistan
K. M. Siddiqui, S. Rehman, A. Hussain
Preliminary results of Eucalyptus species trials at three locations in Pakistan have shown that the survival and growth rate of Eucalyptus kitsoniana are high as compared to other species of this genus. Large scale planting of this species is recommended in af…
25 May 2024 - Articles
Some studies on abundance of termties in various plant comnunties of eastern Baluchistan, Pakistan
Safdar Ali Kayani, Tanweer Ahmad, Abdul Kabir Achackzai, Abdul Qadeer
Termite nest distribution in various plant communities of Eastern Baluchistan was studied. On the basis of termite nest density and extent of termite infested area it was concluded that out of 19 plant communities, four have serious (nest density >124/ha, infe…
25 May 2024 - Articles
Present position and recommendations for livestock production in Northern Areas
Sultan Maqsood Khan
Livestock Production is the biggest land use in Northern Areas. There is a great variety of rangelands including foot-hill ranges, dry temperate ranges and alpine pastures. In cultivated fields shaftal, Lucerne, aftermath of agricultural crops, fodder trees an…
25 May 2024 - Articles
Effect of intercropping of Siratro Iegume (Macropitilium atropurpureum) on the herbage yield and quality of Cenhrus ciliaris
M. I. Sultani, Muhammad Banaras Bhatti, Sartaj, Anjum Amin
Herbage yield and quality of Cenchrus ciliaris by inter-cropping with Macropitilium atropurpureum was studied with six different treatments of grass legume mixture during 1982.The green and dry matter yield was found significantly higher in monoculture pure fo…
25 May 2024 - Articles
A not on the sapwood percentage in Shisham (Dalbergia sissoo Roxb.) in Changa Manga and Daphar Forest Plantations
M. Ayaz
Intro: Quality products is one of the objectives of forest management. As timber is the major forest produce, therefore it's quality is the main factor in it's economic marketability. Quality of timber from a forest is an interaction of site, silviculture and…
25 May 2024 - Articles
Performance of range forage species in subtropical humid zone at Jaba under Barani conditions
Mohammad Noor
Four ecotypes of Medicago sativa two ecotypes of Festuca elatior Var arundinacea and one ecotypes of Phalaris tuberose were sown at Jaba in November 1977 under barani conditions in a randomized complete block design replicated six times. In October, 1978, Fest…
25 May 2024 - Articles
Vegetation around the Shrine of Ghalib Gul Baba in Khwarra-Nilab Valley, N.W.F.P., Pakistan
S. M. Chughtai, Abdus Sadiq, S. Zahir Shah
The vegetation is scrub type and is dominated by Dodonaea visosa which seems reproducing well. The rare arborescent species are Acacia modesta, Maytenus royleanus, Reptonia buxifolia, Olea ferruginea and Sageretia thea var. brandrethiana; but none of them is p…
25 May 2024 - Articles
Loranthus parasitism - A challenge to the development of economic tree resource in the Rawalpindi east region
Zakaullah, Mohammad Irfanul Haque, Khial Badshah
During the investigations on Loranthus longiflorus and L. pulverulentus it was observed that both the parasites were found growing between 500-1050m above sea level. L.pulverulintus was parasitizing the plants in the higher range and L. longiflorus in the lowe…
25 May 2024 - Articles
The Holy Quran and vegetation
Salahuddin Ahmad
The Holy Quran commends and compens attention of mankind to observe and contemplate about the wonders of creation, their grandeur and splendour, their variety and diversity, and then to draw inferences as to who other than Allah could have caused their existen…
25 May 2024 - Articles
A not on Growing of Koranga (Onobrychis viciaefolia L.)
S. Rehman
Koranga sown at Soil Conservation Farm. Mastung in March 1981, germinated and survived whole growing season under limited irrigation. Though there was no promising vegetative growth however, plant sprouted vigorously during next season i.e. February - March 19…
25 May 2024 - Articles
Effect of improvement practices on Dalbergia sissoo (Shisham) planted in Islamabad
M.I. Sheikh, Abdul Aleem
Dalbargia sissoo (shisham) is one of the most profusely planted trees in Islamabad. Yellowing of its foliage and subsequent death caused considerable alarm in the nation's capital. A study was started in 16 and 6 year old blocks to find out if irrigation, spra…
25 May 2024 - Articles
A not relating to some problems with the Re-introduced Blackbuck at Lal Suhanra in Bahawalpur
Ashiq Ahmad
Intro: Blackbuck, Antelope cervicapra was once a native to Cholistan desert in Pakistan but became extinct by 1967 due to ruthless hunting. To introduce the species back, 10 animals were donated by World Wildlife Fund in 1970 which were kept in an enclosure ha…
25 May 2024 - Articles
Performance of some exotic Acacias in Pakistan (Tree Planters note)
Mahmood Iqbal Sheikh
Intro: A few years back seed of some exotic Acacias was imported for comparative trials in arid areas of Pakistan. One of the studies was laid out near Jamrud, Peshawar (av. ann. rainfall 350 mm). The soil is sandy loam, with scattered pebbles in the soil hori…
25 May 2024 - Articles
Effect of spacing on the growth of Dalbergia sissoo (Shisham)
M.I. Sheikh, Raza-ul-Haq
Dalbergia sissoo (Shisham) is the major species planted in the irrigated plantations and riverain forests over a period of time. It can be regenerated from root suckers, from coppice and by planting root-shoot cuttings. For the last one hundred years the tree…
25 May 2024 - Articles
Artificial catchments for rain water harvesting in deserts of Pakistan
Mahmood Iqbal Sheikh, B.H. Shah, A. Aleem
An experiment on rain water harvesting was conducted in Thal desert to asses the efficiency of different treatments of the catchment plots to induce maximum runoff. The results showed that mud plaster (soil + wheat straw ) was the effective and economical trea…
25 May 2024 - Articles
Rooting in the semi hardwood cuttings of Olive (Olea europea L.) through the use of oxogenous hormones
M. Saleem Khattak, Hafiz Inayatullah, Sharafat Khan
Investigations were carried out at research garden of the Pakistan Council of Scientific and Industrial Research, Laboratories, Peshawar, during 1974, to find out the best root promoting hormones for root initiation and economic propagation of olive, Olea euro…
25 May 2024 - Articles
Provisional yield tables of hybrid poplars in Pakistan
Raja Walayat Hussain, Mahmood Iqbal Sheikh
In an earlier study (2) mean annual increment (MAI) of hybrid poplar (P x E Cv 1-- 214) was estimated to be 235cft for a crop of age 6 years with the assumption that 700 trees per acre of the species were available at the above age, that is, planting was dine…
25 May 2024