The present work was conducted to achieve the following aims: Evaluate the effect of both individual and combined applications of either of molasses or concentrated vinasse with mineral fertilizers i.e. phosphoric acid and mixture of micronutrients (Fe-Zn-Mn-Cu-B-Mo), which added in equal five dosses at different growth times to two cultivars of common bean plants (Phaseolus vulgaris L.) i.e, Karnak and Nebraska grown in sandy soil under drip irrigation systems on: nodulations efficiency, dehydrogenase activities at growth period of 45 days. As well as the dry matter yield of common bean plants and was determined, at growth periods of 45 and 70 days. The obtained data of this study show that, the two local cultivars of common bean plants (Karnak and Nebraska) appeared a wide variations to the studied treatments. The fertilization treatments under study resulted in a significant increase of nodules number formed on the roots, dehydrogenase activity and dry matter yields, where the highest values were found with Nebraska cultivar compared with those of Karnak cultivar.
The present work was conducted to achieve the following aims: Evaluate of the changes during composting cattle and poultry manures and compost maturity i.e total organic carbon, total nitrogen, C/N ratio, humic substances, humification index, under two aeration techniques i.e. Forced Ventilation System (FVS) by means of composer pump and Mechanically turned System (MTS) by means of loader. A design of a composting Forced Ventilation System (FVS), is a 2 polyethylene plastic cages (1m length x 0.45 width x 0.6 m height), with 4 inches (10 cm) pipe diameter. Each 4 plastic Polyvinyl chloride (PVC) perforated pipes were laid horizontally and vertically in a cage shape, an about 600 holes/cage). At the end of composting (80 days) all the treatments reached the maturity standard, except for piles of both poultry and cattle manures under FVS, the maturity state were reached at the 65th. Forced Ventilation System (FVS) with the composting of cattle and poultry manures lower in labour cost, sped up the composting process and got the best compost quality in compared to the MTS. Furthermore, it has been defined as a good method to reduce nitrogen loss by volatilization. However, it has the disadvantage, compared to pile of MTS, of the limited homogenization of the pile. Besides, there is a higher need of watering because of evaporation. The main disadvantages of the MTS are the difficulty in controlling the temperature and the loss of nitrogen during the turnings.Indeed, the present investigation demonstrated that compost tea quality of the end products compost from cattle and poultry manures under FVS were better quality compared to the same organic manure under the other aeration technique. Overall, considering of the environment, agronomy value, phytotoxicity and efficiency indicators, the method FVS was most suitable for composting practice production.
This study was carried out on sandy soil of El-Maraka village, El-Tahreer region, Behara Governorate, Egypt to define the pest application time of organic (molase and vinase) and mineral (P + Micronutrients) to two cultivars (Karnack and Nebraska) of common bean plants (phaselus volgaris L) and their effect on plant growth, productivity and seeds quality. Fresh and dry matter yields as well as the content of N, P, K, Mn, Zn and Cu were determined for the plant samples at 45 and 70 days. Also, nodules number at growth period of 45 day. Seeds contents of N, P, K, Mn, Zn, Cu and protein were determined. The data of this study show the importance of both organic and mineral fertilizer to increase sandy soil productivity of common bean plants and improved its quality.Nebraska cultivar was more suitable and high productivity under sandy soil conditions compared with Karnack cultivated. The latter applications of both organic and mineral fertilization were more high efficiency than of earlier application.
The present work was conducted to: a) Evaluation the effect of some abiotic stress tolerance of the specific rhizobial strains and its phenotypic characterization. b) Evaluation the effect of the timing application of the specific rhizobial liquid inoculation to some leguminous plants on the nodulation process. c) Evaluation the response of some hybrids of the same leguminous plants to the timing application of its specific rhizobial liquid inoculation., and d) Reflection between the response of some leguminous plants and their hybrids to the timing application of its specific rhizobial liquid inoculation on the plant growth and crop quality. To select the most three efficient strains to employed in the field experiment. Some specific rhizobial strains were subjected to some abiotic stress tolerance and its phenotypic characterization. Antibiotics, temperature, salt (NaCl) lead (Pb) and sodium azide tolerance, IAA, exopolysaccharides (EPS), were determined, as well as morphocultural characterization (Gram staining, colony size, shape, border, elevation, color, mucosity, transparency, scanning electron micro graph of the same tested specific rhizobial strains, were performed. Three field experiments were conducted at the same site at Om Saber Village-Tahrir regions -Beheira Governorate, Egypt (Latitude 30º.40´N-Longitude 30º.33´E) (sandy soils presented newly reclaimed soil). The first, second and third experiments were carried out on soybean " (Glycine max), common bean plants (Phaseolus vulgaris L.) and peanut (Arachis hypogaea L.), respectively. Each experiment was carried using two cultivars of the cultivated leguminous plants. These treatment of each experiments were complete randomized block plot design. The planting dates were at 15 April and 15 Mai, 1st September 2019 and for Soybean, common and peanut bean plants, respectively.
The present work was conducted as a field experiment to evaluate the effect of timing application of the specific rhizobial (Bradyrhizobim sp 3339) as liquid inoculation with peanut plants and its some hybrids on the nodulation process, plant growth and seeds quality. This experiments were conducted at Om Saber Village-Tahrir Region -El Beheira Governorate, Egypt (Latitude 30º.40´N-Longitude 30º.33´E) (represented newly reclaimed sandy soil). The experiment was carried on two cultivars i.e. Ponch and NC of the peanut seeds. The planting date was at 15 Mai 2019. All plots of liquid inoculation of each sub treatment were continuously inoculated with its specific rhizobial strain during the first "FW"), second "SW" and at the third week "TW " after sowing, through the dripping system. All plots of solid inoculation of each sub treatment were inoculated with its solid specific rhizobial strain (Bradyrhizobim sp 3339) (Okadin) just before sowing. The studied treatments were arranged with the experimental unit in completely block design in three replicates. Five main treatments: Control treatment (without any inoculation), solid inoculation "SI " at sowing and liquid inoculation which carried out through (via drip irrigation "Fertigation") at three times i.e. at "FW", "SW " and " TW " from sowing, were used in this study. Nodulation, dry weights of the growing shoot plants, seed and straw yield, as well shoots at 60 old day and seeds content of N, P and K, were determined. The obtained results indicated that, the timing application of specific Rhizobial liquid inoculation (Bradyrhizobim sp 3339) of peanut plants, during FW and SW of sowing, were the most efficient inoculation treatments according to the high values of nodulation efficiency, macronutrients (N, P and K) concentrations and uptake by peanut plants (high significant) and produced the highest dry matter yields with all inoculation treatments compared to the control treatment.
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