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Browsing Issue 04 by Title

Browsing Issue 04 by Title

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  • 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 ...
  • CLAY DISPERSION IN RELATION TO ELECTROLYTES CONCENTRATION AND pH 
    Muhammad Munir Ahmad; Jutaro Karube (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-10-09)
    Dispersion of sodic and saline-sodic soils adversely influences crop and can accelerate failure of water conveyance system. The critical coagulation concentration (CCC) of montmorillonite clay was measured under different ...
  • DIFFERENTIAL GROWTH RESPONSE OF COTTON GENOTYPES INFECTED WITH ROOT ROT TO SILICON NUTRITION 
    Tariq Aziz; Maqsood Ahmad Gil; Iftikhar Ahmed (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-11-12)
    A hydroponics study was carried out to investigate the effect of silicon (Si) on increased tolerance of eleven cotton genotypes against root rot. Pre-germinated seedlings were grown with and without Si in half strength ...
  • THE EFFECT OF HARVESTS ON THE YIELD AND QUALITY OF FORAGE OF SALT BUSH (ATRIPLEXES) 
    Muhammad Aslam; R. H. Qureshi; R. Mahmood; S. Nawaz; Javaid Akhtar (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-11-12)
    In Pakistan there are (wo feed gaps per year. During these periods fodder from salt-bush may require frequent grazing. Such frequent grazing/cutting may effect the survival and productivity of salt-bushes. A field experiment ...
  • 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 ...
  • 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)
  • EVALUATION OF DIFFERENT N:P RATIOS IN MAIZE IN CENTRAL AND BARANI ZONES OF THE PUNJAB 
    K.H. Gilt; S.J.A. Sherazi; J. Igbal; A.A. Sheikh; M. Ramzan; M.K. Shaheen (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-10-10)
    N : P application in optimum amount is considered to be very important and necessary, as our soils are deficient in Nitrogen and Phosphorous. The past studies on different crops showed that N and P application in 1:1, ...
  • 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 ...
  • The influence of herbicides on groundnut crop, weeds and associated soil microflora 
    Shahida Khalid; Shahida N. Khokhar; Malik, Shahnawaz (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-09-07)
  • 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 ...
  • OPTIMIZING PRODUCTIVITY AND PROFITABILITY IN RAINFED LEGUME CROPS THROUGH BALANCED NUTRIENT MANAGEMENT 
    J. Din; A. Rashid; M. A. Zahid (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-10-08)
    Missing-element technique field experiments were carried out for determining the components of balanced nutrient management in rainfed chickpea (Cicer arietinum L.) and blackgram (Vigna mungo (L.) Hepper). Omission of ...
  • PHOSPHORUS AND ZINC FERTILIZATION OF WHEAT AND RICE 
    S. M. Mian; M. Akram; K. H. Gill; Z. Ahmad (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-10-11)
    Deficiencies in soil zinc (Zn) may limit yield of rice and wheat in rice tract of the Punjab (Gujranwala and Lahore Divisions). The build-up of phosphorus (P) due to its continuous application could also reduce the plant ...
  • 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 ...
  • RELATIONSHIPS BETWEEN LABILE PHOSPHORUS AND OLSEN PHOSPHORUS TEST VALUES OF ALKALINE SOILS 
    A. Rashid; T. Hussain; A. Razzaq (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-09-07)
    For the development of soil and plant phosphate (P) model, the soil labile-P values are required in addition to fertilizer P availability indices. This study was conducted to determine the relationship of labile-P (IRA-400 ...
  • ROLE OF PYROPHOSPHATE AND ORGANIC ACIDS IN ORTHOPHOSPHATE SORPTION BY CALCIUM CARBONATE 
    fiaz Ahmad; Kelso, William Ian (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-09-08)
    Since the recovery of phosphate in calcareous soils Is tow, the effectiveness of added pyrophosphate (PP) and organic acids in reducing phosphate sorption by calcium carbonate (CaCOs) was studied in the laboratory. ...
  • ZINC REQUIREMENT OF WHEAT CROP 
    Chaudkary, Rehman, A.; M. Akram; K. H. Gill; M. Akram Qazi' (Faisalabad: Institute of Soil & Environmental Sciences University of Agriculture, Faisalabad. Pakistan, 2001-12-14)
    Zinc requirement of wheat crop was investigated through a field experiment laid oat in farmer's field on a zinc (Zn) deficient soil near Kasur in Lahore Division during 1997-98. Levels of Zn (kg ha'1 ) tried were 0, 2.5, ...

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