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首页> 外文期刊>Australian Journal of Crop Science >Effects of plant growth-promoting rhizobacteria and manure on yield and quality characteristics of Italian ryegrass under semi arid conditions
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Effects of plant growth-promoting rhizobacteria and manure on yield and quality characteristics of Italian ryegrass under semi arid conditions

机译:半干旱条件下促进植物生长的根际细菌和肥料对意大利黑麦草产量和品质特性的影响

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Plant growth-promoting rhizobacteria (PGPR) appeared as a promising alternative for organic fertilization. A field experiment was carried out to evaluate the effects of PGPR and solid cattle manure application on yield, quality and mineral concentrations of Italian ryegrass (Lolium multiflorum Lam.) under semi arid conditions in Turkey. The treatments included: three manure application rates (i.e. M1, 10; M2, 20; and M3, 30 Mg ha-1), five PGPR strains (i.e. RC11, Bacillus subtilis; RC21, Variovorax paradoxus; RC105, Paenibacillus polymyxa; RP24/3, Paenibacillus polymyxa; and RF29/2, Pseudomonas putida), and a control (without bacteria or manure application). Manure application did not increase yield of Italian ryegrass, whereas the treatments with RC21 and RP24/3 rhizobacteria provided the highest dry matter yield. All PGPR and manure applications increased crude protein concentration of Italian ryegrass. The M3 manure rate and most treatments with PGPR (except RC11) produced greater crude protein yield than that of control. In addition, concentrations of P, S, Mg, Cu, Zn, and Fe in most PGPR and manure applications were greater than those of control.
机译:促进植物生长的根际细菌(PGPR)似乎是有机施肥的有前途的替代方法。进行了田间试验,以评估PGPR和固体牛粪肥施用对土耳其半干旱条件下意大利黑麦草(黑麦草)的产量,质量和矿物质浓度的影响。处理包括:三种肥料施用率(即M1,10; M2,20;和M3,30 Mg ha-1),五种PGPR菌株(即RC11,枯草芽孢杆菌; RC21,Variovorax paradoxus; RC105,多粘芽孢杆菌; RP24 / 3,多粘芽孢杆菌; RF29 / 2,恶臭假单胞菌),和对照(无细菌或粪肥施用)。施肥不会增加意大利黑麦草的产量,而RC21和RP24 / 3根瘤菌的处理提供了最高的干物质产量。所有PGPR和粪肥施用均增加了意大利黑麦草的粗蛋白浓度。 M3粪肥率和大多数PGPR处理(RC11除外)产生的粗蛋白产量均高于对照。此外,在大多数PGPR和粪肥施用中,P,S,Mg,Cu,Zn和Fe的浓度均高于对照。

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