Ahmad Khan1, Raza Ullah Khan1*, Muhammad Zameer Khan1, Fayyaz Hussain1,Muhammad Ehsan Akhtar2, Jalal-Ud-Din3
...o evaluate the effect of humic substances (HSs) derived from coal, sunflower, and maize waste materials on onion yield. Four HSs rates; 0, 20, 30 and 40 kg/ha were applied to onion (variety Red Swat) transplanted earlier to field (plot size=1.2×0.8 m2). Results showed that maximum bulb yield of 25.1 and 24.5 t/ha were obtained with application of plant derived HSs; SFDHSs and MDHSs respectively, while 24.7 t/ha bulb were obtained with C...
Muhammad Ijaz Khan* and Amanullah Jan
... ha-1) and two levels of humic acid (2 and 4 kg ha-1), alone and in combinations with gypsum (1000 kg ha-1) as inorganic soil conditioner were applied a week before sowing of maize. Design used was randomized complete block with split plot arrangement replicated thrice. Experimental site was Agronomy Research Farm, The University of Agriculture Peshawar. Irrigations regimes were subjected to main plots while soil conditioners to subplots. Results of the two ye...
Rahmat Ullah Khan, Abdur Rashid*, Mohammad Sohail Khan** and Erdogan Ozturk***
...o study the potential of humic acid (HA) as a low-cost natural fertilizer and to determine its effect on the yield of rainfed wheat crop (Triticum aestivum L. cv. Naseer) at the research farm of Arid Zone Research Institute, Dera Ismail Khan during two successive winter seasons, 2007-08 and 2008-09. The treatments consisted of HA alone (3 kg ha-1 or 1.5 kg ha-1) and in combination with full (60:40 kg ha-1) and half (30:20 kg ha-1) the recommended rates of NP f...
Sara Khalid*, Khalid Mahmood Qureshi*, Ishfaq Ahmad Hafiz*, Khalid Saifullah Khan* and Usman Shaukat Qureshi*
EFFECT OF ORGANIC AMENDMENTS ON VEGETATIVE GROWTH, FRUIT AND YIELD QUALITY OF STRAWBERRY
...planting media + 400 mgl humic 2 -1 acid; T = planting media + 200 g kg leaf manure; T = planting media + 200 3 4 -1 -1 g kg vermicompost; T = planting media + 200 g kg plant fertilizer and T = 5 6 -1 planting media + 200 g kg bio-compost during 2011-12 at PMAS-Arid Agriculture University, Rawalpindi. Treatment T (soil + silt + FYM) induced 1 positive influence on plant height (15.21 cm), canopy spread (20.37 cm), crown diameter (1.47 cm), fresh weight of plan...
Muhammad Izhar Shafi* and Muhammad Sharif
... organic amendments like humic substances and phosphatic fertilizers. This practice involves an increase in the solubility and availability of P in soils. An incubation experiment was conducted during 2017 to evaluate the impact of various P fertilizers applied with and without humic acid on P availability. Three different rates of humic acid as 0, 5 and 10 kg ha-1 with three di...
Ahmad Khan1*, Raza Ullah Khan1, Sadia Khan2, Muhammad Zameer Khan1 and Fayyaz Hussain1
... effect of plant derived humic substances (PDHS) on chickpea crop grown in 5.50 kg soil container, consisting seven treatments, whereby HS was given either as soil applied (at the rate 0, 15,30,45,60 mg l-1) and as foliar ( 100,150 mg l-1) The experiment was laid out in CRD under greenhouse conditions. Three seeds of chickpea variety Dhasht was sown in each pot which was thinned to one plant. Results show that highest plant height of 45cm was obtained when HS ...
Jawad Ali Jan1, Ghulam Nabi1, Maqsood Khan1,2*, Shehzad Ahmad1, Peer Sikandar Shah1, Saddam Hussain1 and Sehrish1
...(Magma and High fly) and humic acid levels (0, 25, 50, 75 and 100 g L-1) were applied in the field during experiment. The results of the experiment showed that High fly variety took minimum days to produce flowering (33 days), maximum numbers of leaves plant-1 (208.93), plant height (42.27 cm), stem diameter (1.60 cm), number of fruit plant-1 (52.53), yield plant-1 (184.61 g) and total yield (3.69 t ha-1), while maximum fruit weight (3.65 g), fruit volume (9.4...
Anjum and Ahmad Khan*
Phenology, Crop Stand and Biomass of Wheat in Response to Farmyard Manure and Soil Amendments
...s, Min-N (30 kg N ha-1), humic acid (2.5 kg ha-1) and effective microbes (200 L Mg-1 of FYM)] were added to five levels of FYM (i.e. 0, 5, 10, 15 and 20 Mg ha-1) and their impact were quantified in terms of wheat phenology, crop stand and biomass during two years studies (2016-17 and 2017-18). Min-N was provided from urea, humic acid from “humic plus” a commercial product havin...
Amar Iqbal Saqib1, Khalil Ahmed1*, Abdul Rasul Naseem1, Ghulam Qadir1, Muhammad Qaisar Nawaz1, Muhammad Khalid2, Imtiaz Ahmad Warraich3 and Muhammad Arif4
...e ameliorative effect of humic acid (HA) with gypsum on rice-wheat crops under saline-sodic condition (ECe = 4.71 dS m-1, SAR = 31.82, pHs = 9.10). Different combinations of gypsum and humic acid tested were: T1 - control, T2 - gypsum @ 100 % GR, T3 - gypsum @ 75 % GR+ HA @ 15 kg ha-1, T4 - gypsum @ 75 % GR+ HA @ 30 kg ha-1, T5 - gypsum @ 50 % GR+ HA @ 15 kg ha-1, T6 - gypsum @ 50 % GR+ HA @ 30 kg ha-1. Yield data of each cr...
Muhammad Zamin1*, Anees Muhammad1, Ibadullah Jan1, Hidayat Ullah1, Shahen Shah2, Muhammad Amin3 and Haroon Ur Rashid4
Production of Tuberose (Polianthes tuberosa L.) as Affected by Bulb Size and Planting Medium
...und in soil amended with humic acid. However, the least days (85.22) to flowering were observed in planting medium amended with potting soil and largest bulblets (2.14cm) were found in compost amended sandy soil. As far as the effect of bulb size is concerned, maximum days to flowering (97.44), plant height (43.29cm), number of leaves (24.54), number of florets (19.17), bulblets plant-1 (24.30) and bulblet diameter (2.08 cm) were produced by growing large size...
Muhammad Zamin1*, Anees Muhammad1, Ibadullah Jan1, Hidayat Ullah1, Shahen Shah2, Muhammad Amin3 and Haroon Ur Rashid4
Production of Tuberose (Polianthes tuberosa L.) as Affected by Bulb Size and Planting Medium
...und in soil amended with humic acid. However, the least days (85.22) to flowering were observed in planting medium amended with potting soil and largest bulblets (2.14cm) were found in compost amended sandy soil. As far as the effect of bulb size is concerned, maximum days to flowering (97.44), plant height (43.29cm), number of leaves (24.54), number of florets (19.17), bulblets plant-1 (24.30) and bulblet diameter (2.08 cm) were produced by growing large size...
Raza Ullah Khan1*, Ahmad Khan1, Mohammad Zameer Khan1, Fayyaz Hussain1, Zafar Islam2 and Muhammad Asad Hameed2
...ed for the extraction of humic substance, a macroorganic molecule. The humic substances were extracted quantified and characterized using techniques such as spectrophotometer, High Performance Liquid chromatography, Fourier transform infrared spectroscopy and atomic absorption spectrophotometer. The analysis showed the presence of hydrophobic and hydrophilic sites. The Fourier infrared spectroscopy analysis showed spectrum b...
Imran Ullah Khan*, Noor Ul Amin, Sayyed Hamad Ahmad Shah, Maqsood Khan, Shehzad Ahmad and Syed Aizaz Ali Shah
...five different levels of humic acid (0, 2.5, 5, 7.5, and 10 kg ha-1). Experimental data was collected on days to flowering, plant height (cm), number of leaves plant-1, leaf area (cm2), number of branches plant-1, number of flower plant-1, diameter of flower (cm), fresh flower weigh (g), flower stalk length (cm) and flower vase life. The above mentioned parameters are highly influenced by most of humic acid levels. The incre...
Weenghar Ali Chandio1, Tajnees Pirzada1*, Abdul Majid2 and Farzana Rashid3
...extract and characterize humic acid (HA) from agriculture soil and to investigate its effect on wheat (Triticum indicum) seed growth. HA was conventionally extracted from soil sample of agriculture lands of Khairpur, Sindh, Pakistan by International Humic Substance Society method and confirmed by UV-Visible spectroscopy and characterized by spectral features obtained by using different techniques such as X-ray diffraction (X...
Izaz Hussain, Ahmad Khan* and Habib Akbar
...) as effective microbes, humic acid (HA: 3, 6 and 9 kg ha-1) and FYM (10, 15, 20 Mg ha-1) obtained from cattle dung, urine and leftover organic materials along with a control (No- BM, HA or FYM). The required quantity of BM solution (mixed with 1 L of distilled water for each plot) was sprayed on soil surface having HA (applied as mixture with 1 kg soil for each plot) and FYM (soil incorporated with rotavator) one month before sowing. Maize growth contributing...
Tajnees Pirzada1*, Weenghar Ali Chandio1, Mansoor Ali Kalhoro2, Mir Munsif Ali Talpur1, Waheed Ali Mirbahar1, Abdul Ghafar Solangi1, Zulfiquar Ali Jumani1 and Rehana Kerio1
... oxide nanoparticles and humic acid (HA) coated nanoparticles were evaluated for Brassica campestris seed germination. A simple one-pot method was used to synthesize HA/ZnO NPs involving zinc oxide nanoparticles (ZnO) core (20-35 nm in diameter) and humic acid shell. HA/ZnO NPs were used to investigate the effect on the germination profile of Brassica campestris. Germination profile parameters were measured as root-shoot len...
Vahid Mollasadeghi1,2* and Samaneh Elyasi1,2
Shorouk Aladdin Helmy1, Hossam Mahrous Ebeid2*, Mohamed Ahmed Hanafy1, Adel Eid Mohamed Mahmoud1, Reham Roshdy Ali El-tanany1
...Clays such as bentonite, humic acid, and zeolite are frequently suggested to have a special buffer role in the modulating capacity of rumen cation exchange in livestock diets to reduce ammonia emissions and modulate rumen fermentation. An in vitro experiment was conducted to determine the effect of adding three different clay minerals in four levels of each, as follows: humic acid (0.0, 0.5, 1.0, and 1.5%); zeolite (0.0, 1.2...
Sonia Sumreen1, Muhammad Sharif2, Tariq Sultan1 and Ijaz Ali1*
...s organic materials like humic acid (HA) can be used to enhance P availability from rock phosphate (RP). To investigate the effect of RP augmented with two levels of HA on the productivity of wheat and P uptake, a field trial was conducted. Treatments used were Control (No RP, No HA), rock phosphate alone (RP), RP mixed with HA @ 5 Kg ha‒1 (RP+HA-5) and RP mixed with HA @ 10 Kg ha‒1 (RP+HA-10) and were replicated 3 times randomly in Complete Block Design. ...
