Effect Of Bacteria And Yeast Bio Fertilization On Nitrogen Budget, Growth, And Yieid Of Wheat (Triticum Aestivum L.) When Intercropping With Faba Bean (Vicia Faba L.)

Hussein Ahmed Mohammed, Kareem Ubaid Hasan
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Abstract

The study was conducted in the College of Agricultural Engineering Sciences - University of Baghdad on soil with a mixture of loam during the winter season of the year (2020-2021). The study included a field experiment to evaluate the effect of the prepared nitrogenous bacterial biofertilizer and yeast extract at a concentration of 5 g.L-1 and mineral fertilization on the nitrogen budget in the soil and in the growth parameters of wheat plants and the interaction under the 50% level of the fertilizer recommendation with the use of a recommendation treatment Complete fertilizer 100% For comparison, the amount of water added to each experimental unit was measured after draining 50% of the prepared water using a water meter. A (factorial) experiment was carried out by arranging the split plates (The Split-Plot Design) according to the (RCBD) design. The results of the experiment showed the moral superiority of the intercropping coefficients in Dry weight, the yield of grain weight, and nitrogen concentration in the soil and plants for biological fertilization treatment, where bacterial fertilization and yeast recorded the highest values compared with the mineral fertilization 50 and 100% If it gives an average of (6.667 and 11.533) (Mg.ha-1 ) for dry weight and grain yield, respectively, and 39,730 mg.Kg-1 nitrogen concentration in the soil and 1.367 % nitrogen concentration in the plant compared to the dry weight (4.567 and 4.633) (Mg.ha-1 ), grain yield (10,066 and 8,300) (Mg.ha-1 ), and the nitrogen concentration in the soil (24,400 and 22,200) mg.Kg-1 and nitrogen concentration in the plant (1.237 and 1.043), respectively, for 50 and 100%. The mineral fertilization treatments of 100% also recorded the highest value of ammonia volatilization, amounting to 19,700, followed by 50% treatment at 17.746, and the lowest amount of volatile ammonia was recorded by the bacterial fertilization treatment at 12.976, then the treatment of 12.976 Bacteria with yeast extract 16.980 and yeast treatment 17.960 (kg N ha-1 )for the intercropping treatments. Keywords: Bio fertilization, Yeast extract, Mineral fertilization, Budget nitrogen intercropping It is partially extracted from the Ph.D. thesis of the first researcher.
细菌和酵母生物施肥对小麦氮素收支、生长和产量的影响间作蚕豆(Vicia Faba L.)
该研究是在巴格达大学农业工程科学学院于冬季(2020-2021年)对土壤和壤土混合物进行的。本研究通过田间试验,评价了所制备的含氮细菌生物肥料和酵母提取物在5 g浓度下的效果。l -1和矿质施肥对土壤氮收支和小麦植株生长参数的影响,以及在50%推荐施肥水平下与使用推荐施肥100%的相互作用。为了进行比较,每个试验单元的加水量是在用水表抽干50%准备好的水后测量的。按(RCBD)设计安排裂片(the split - plot Design)进行(析因)试验。结果表明,生物施肥处理的干重、粒重产量、土壤和植株氮素浓度等间作系数具有道德上的优势,其中细菌和酵母施肥处理的干重和粒重的平均值分别为(6.667和11.533)(mg. ha-1)和39,730 mg,高于矿物肥处理的50%和100%。与干重(4.567和4.633)(mg. ha-1)、籽粒产量(10,066和8,300)(mg. ha-1)、土壤中氮浓度(24,400和22,200)mg相比,土壤中氮浓度(kg -1)和植株中氮浓度(1.367%)的差异显著。kg -1和氮浓度分别为1.237和1.043,分别为50%和100%。氮肥100%处理的氨挥发量最高,为1.97万,50%处理次之,为17.746,细菌施肥处理的氨挥发量最低,为12.976,其次是酵母膏12.980和酵母17.960 (kg N hm -1)。关键词:生物施肥,酵母提取物,矿物施肥,预算间作部分摘自第一研究员博士论文。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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