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EN
A field experiment was conducted during winter season of 2014-2015 at a farm field located in Swabi Khyber Pakhtunkhwa, Pakistan with the main aim to evaluate the influence of different organic manures on wheat (Triticum aestivum L.) production. The experiment was laid out in a randomized complete block design (RCBD), with four replications. The treatments were: T1 (control, no manure), T2 (Cattle manure), T3 (Poultry manure) and T4 (Sheep manure). All the organic manures were applied at the rate of 10 t ha-1. At maturity, plant height (cm), number of grains per spike, grain yield and biological yield were recorded. Results led to the conclusion that T3 (poultry manure) gave the best results, as compared to other treatments. The values of plant height, biological yield and grain yield were 87 cm, 13.66 t ha-1 and 5.750 t ha-1, respectively, for poultry manure treatment. Results for number of grains per spike and 1000-grain weight were found non-significant in the prevailing soil condition.
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2017
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vol. 64
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issue 3
431-436
EN
The aim of this analytical study was to develop and validate an easy-to-use method for measuring the actual level of norflurazon that accumulates in leaves. We amended the QuEChERS method, i.e. Quick, Easy, Cheap, Effective, Rugged, and Safe, which is widely used for pesticide and herbicide analysis in food, and usually combined with HPLC-MS detection. We adapted this method for the detection of norflurazon in leaves or leaf fragments and proposed a useful modification using of HPLC-UV detection. Reproducible retention times of 3.11±0.04 min, precision (RSD<8.0%), LOQ=315 ng∙mL-1 and linearity (R=0.99874) were achieved.
EN
This the study was conducted for two successive seasons 2014/15 and 2015/16 on a desert soil with the aim to investigate the effect of green manure on infiltration rate and soil moisture retention of desert soil and wheat yield in the Northern State of Sudan as well. Four types of green manure Vigna radiate (Green gram), Vigna sinensis (Cowpea), Dolichos lablab (Lablab bean) and Sesbania canabina (Sesbania pea) were selected as green manure corps with three levels. The first level was a seed rate of 12 kg ha-1, 18 kg ha-1, 24 kg ha-1, 12 kg ha-1 respectively. The second level was two times of the first level and third level was three times of the first level. The treatments were arranged in a randomized complete block design with three replications. The results showed that the effect of green manure was effective in improving the soil physical properties under investigation. The green manure application decreased soil infiltration rate on the average across the two seasons varied from 3.5 cm hr-1 for the control to 1.7 cm hr-1 (105 %) in the green manure treatments except lablab been treatments, and improved the soil moisture retention as well and also, increased available water on the average across both seasons varied form 17 mm in the control to 27.6mm ( 58 %) in the green manure treatments except lablab bean treatments. The result also showed that the effect of green manure obtained very highly significantly (P≤0.001) increase in the grain yield of wheat on the average across the two seasons varied from 0.71 ton ha-1 in the control treatment to 3.21 ton ha-1 (352 %) in the green manure treatments except lablab bean treatments. It is recommended that Green gram (12 kg ha-1), Cowpea (18 kg ha-1) and Sesbania pea (12 kg ha-1) which are available and cheaper are suitable types of green manure crops for soil reclamation of the desert plain soils of Sudan.
EN
Soil characteristics are important indicators of the potential for agricultural production. This study investigates the direct and residual effects of green and farmyard manures on soil dry bulk density, total porosity, soil moisture percentage, infiltration rate and wheat grain yield of a desert plain soil in Northern Sudan during three successive seasons 2007/08 (direct effect), 2008/09 (direct and residual effects) and 2009/10 (residual effect). Treatments consisted of green manure produced from green gram (Vigna radiate) with two seed rates (0 and 12 kg ha-1), and farmyard manure with two levels (0 and 10 ton ha-1) arranged in a split plot design with three replicates. The results revealed that all studied treatments significantly decreased soil bulk density and infiltration rate (P ≤ 0.01), and increased total soil porosity and soil moisture percentage (P≤0.001), as compared to the control in response to the application of the two types of manures. The results also showed that the direct and residual effects of manures caused significant increase in the wheat grain yield of the desert plain soils. It can be concluded that green and farmyard manures had continuing positively effects on the desert plain soil to produce higher grain yield of wheat. Green manure, therefore, may be used in vast desert plain soils areas as it may pose a solution to the problems of the infertility and unavailability of organic manure and farmyard manure may be useful in small areas in the Northern State of Sudan.
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