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Browsing Pakistan Journal of Soil Science by Issue Date

Browsing Pakistan Journal of Soil Science by Issue Date

Now showing items 1-20 of 61

ELONGATION RATES OF ROOT AND SHOOT OF WHEAT DURING EMERGENCE AS AFFECTED BY MECHANICAL IMPEDANCE AND MATRIC POTENTIAL OF THE GROWTH MEDIUM

Nabi.G; C. E. Mullins (Soil Science Society of Pakistan., 2001-01-20)

A laboratory study was conducted on a sandy loam soil to determine the effect of soil matric potential and soil mechanical impedance on wheat growth during emergence. Experiment was conducted in growth cabinet in which ...
PHOSPHORUS ACQUISITION BY COTTON CULTIVARS UNDER DEFICIENTLY-BUFFERED-P CONDITIONS

Ahmad.Z; M.A. Gill; R. H. Qureshi; M. Aslam; S. Nawaz (Soil Science Society of Pakistan., 2001-01-20)

To evaluate P-acquisition ability of six cotton cullivars, pre-germinated seedlings were grown in nutrient solutions containing tri-calctum phosphate (TCP) @ 0.5 g V' as P source, in a bid to maintain deficiently-buffered ...
EFFECT OF N FERTILIZATION AND INOCULATION ON THE GROWTH AND YIELD PERFORMANCE OF MUNGBEAN (VIGNA RADIATA L) UNDER FIELD CONDITIONS OF RAWALAKOT AZAD JAMMU AND KASHMIR

Abbasi.K; R. A. Raza; S. M. N. Khan (Soil Science Society of Pakistan., 2001-01-20)

Establishment and introduction of legumes in agriculture have a significant potential in increasing the crop production and nitrogen status of soil. The primary objective of the present investigation was to establish ...
EFFECT OF REPEATED USE OF PESTICIDES ON SOIL DEHYDROGENASE ACTIVITY IN COTTON FIELDS

Iqbal.Z; S. M.Alam; A. Hussain; M. R. Asi; J. A. Chaudhary (Soil Science Society of Pakistan., 2001-01-20)

Field study was conducted to see the effect of long terms repeated use of pesticides on dehydrogenase activity in cotton fields. Samples were collected from sowing time, before and 2 days after each pesticides application, ...
EFFECT OF FERTIGATION APPLIED NITROGEN AND PHOSPHORUS ON YIELD AND COMPOSITION OF MAIZE

Latif.A; S. M. Alam; Z. Iqbal; S. A. Shah (Soil Science Society of Pakistan., 2001-01-20)

Fertigation and broadcast methods of application were compared for N and P fertilizers to maize in pot and field studies. In pot culture fertigation was better than broadcast at equivalent doses of P to increase plant ...
ZINC REQUIREMENT OF POTATO CROP IN THE PUNJAB

Chaudhary.R.A; M. Akram; K. H. GILL; M. A. Qazi (Soil Science Society of Pakistan., 2001-01-20)

Fertilizer zinc (Zn) requirement of potato crop was assessed through ten fertilizer experiments conducted on farmers' fields in Lahore and Gujranwala divisions during 1996-97 to 1999-2000. The levels of Zn put to test ...
RECLAMATION RESPONSE OF TWO DIFFERENT TEXTURED SALINE-SODIC SOILS TO EC|W TO SAR[W RATIOS

Ghafoor.A; S. M. Nadeem; Anwar-ul-Hassan; M. Sadiq (Soil Science Society of Pakistan., 2001-01-20)

A Lysimeter experiment was conducted to evaluate the effect of different ratios of electrical conductivity (ECiw) to sodium adsorption ratio (SARiw) of irrigation water to reclaim different textured saline-sodic soils. ...
RESPONSE OF SOME SELECTED WHEAT (Triticum aestivum L) GENOTYPES TO SALINITY: GROWTH AND IONIC RELATIONS

Akktar.J; A. Naseem; K. Mahmood; S. Nawaz; R.H. Qureshi; M. Aslam (Soil Science Society of Pakistan., 2001-01-20)

A pot experiment was conducted to study the salt tolerance of selected wheat genotypes previously screened under solution culture. Soil was collected from a normal field and used for control (non-saline) and for saline ...
EFFECT OF COMPACT SALT AFFECTED SOIL ON THE GROWTH OF EUCALYPTUS CAMALDULENSIS (LOCAL)

Aslam.M; M. Nasim; R. H. Qureshi; S. Nawaz; Z. Ahmad (Soil Science Society of Pakistan., 2001-01-20)

Deterioration of soil structure because of dispersion of soil particles in saline sodic/sodic soils is a common phenomenon, whereas, occurrence of compact layers at lower horizon in these soils because of downward clay ...
EFFECT OF NPK AND ORGANIC MANURES ON THE YIELD OF PADDY AND WHEAT

Bakhsh.A; A. H. Gurmani; A. U. Bhatti (Soil Science Society of Pakistan., 2001-01-20)

Field experiments were conducted to study the effect of organic manures in combination with chemical fertilizers on the yield of paddy and wheat in a farmer's field at Said Alian village in Dera Ismail Khan district. ...
SOIL AND NUTRIENT LOSSES THROUGH SEDIMENT AND SURFACE RUNOFF UNDER MAIZE MONO-CROPPING AND MAIZELEGUME, INTERCROPPING FROM UP-LAND SLOPING FIELD

Khan.F; A. U. Bhatti; R. A. Khattak (Soil Science Society of Pakistan., 2001-01-20)

The experiment was conducted on slopping land in northern NWFP near Thana, Malakand Agency on permanent plots of maize mono-cropping and maize-legume intercropping to assess soil and nutrtent tosses through sediment and ...
EFFECT OF SALINITY X HYPOXIA ON SOME PHYSIOLOGICAL PARAMETERS OF TWO WHEAT CULTIVARS

Nawaz.S; M. Aslam; Z. Ahmad; R. H. Qureshi (Soil Science Society of Pakistan., 2001-01-20)

Salinity and waterlogging are serious threats to the agriculture of Pakistan. Wheat being an upland crop is affected to a great level by waterlogging particularly when coupled with salinity. A hydroponic culture study ...
SALT BALANCE AND SOIL SALINITY HAZARD IN PUNJAB RIVER SYSTEM: AN OVERVIEW

Javaid M. A; M. T. Yamin; N. Mushtaq (Soil Science Society of Pakistan., 2001-01-20)

The Punjab River System (PRS) consists of five Rivers and a net-work of canals and inter-river canals. No doubt, such irrigation developments have brought a great prosperity to the people by enhancing the agricultural ...
DENITRIFICATION LOSS FROM IRRIGATED CROPLANDS IN THE FAISALABAD REGION - A REVIEW OF THE AVAILABLE DATA

Mahmood.T; F. Azam; K. A. Malik (Soil Science Society of Pakistan., 2001-01-20)

Field measurements of nitrogen loss from irrigated croplands have been lacking under agroclimatic conditions in Pakistan. It is only recently that field studies on de nitrification and total fertilizer N losses were ...
BIOSYNTHESIS OF AUXINS BY AZOTOBACTER

Muhammad Khalid; Muhammad Arshad; Azeem Khatid; Zahir Ahmad Zahir (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-08-01)

Various Azotobacter cultures were isolated from the rhizosphere of maize. Ten fast growing cultures were selected (numbered as Zi, Zi, Zie), and evaluated for their potential to produce auxins (lAA-equivalents) in vitro ...
FACTORS AFFECTING AUXIN BIOSYNTHESIS BY WHEAT AND RICE RHIZOBACTERIA

Azeem Khalid; Muhammad Arshad; d Zahir Ahmad Zahir (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-08-02)

Microbitdly released auxins have great influence on plant growth and development. Thirty-one cultures of bacteria were isolated from the rhizosphere of different varieties of wheat grown at different sites and twenty-eight ...
Evaluation of bio-phos as a microbial phosphorus solubilizer for enhancing wheat yield, P uptake and its microbes survival in the rhizosphere

Samina Khalil; Tariq Sultan (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-08-04)
EFFECT OF SOIL WATER POTENTIAL ON YIELD AND NUTRIENT UPTAKE BY WHEAT AT DIFFERENT FERTILIZER RATES

Muhammad Ilyas; M. Ibrahim; Tariq Siddique; M. Ishaq (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-08-04)

Information about optimum soil water content for efficient use of nutrients is essential for higher crop yield. A pot experiment was conducted from 1996 to 1998 to assess the effect of soil water potential and NPK fertilizer ...
MANAGEMENT OF BRACKISH WATER : IMPACT ON SOIL AND CROPS

Chaudhry, Muhammad Ramzan; Muhammad Iqbal; K.M. Subhani (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-08-05)

A study was conducted in Fordwah Eastern Sadiqia South during the year 1998-99 and 1999-2000 with the objective to evaluate the impact of different irrigation treatments on soil and crops yield- The experiment was conducted ...
POTENTIAL FOR NITROGEN MINERALIZATION AND NITRIFICATION IN AN ARABLE SOIL INCUBATED UNDER LABORATORY CONDITIONS

Khan, Sumyya Razzaq; Abbasi, M. Kaleem (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-09-06)

Soil erosion and small annual additions of organic matter make nitrogen (N) the plant nutrient most deficient in agro-ecosystems of Azad Jammu and Kashmir. Most soils require additional N in the form of fertilizers in order ...

Now showing items 1-20 of 61

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