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Coastal soils of Guntur district in Andhra Pradesh are developed from marine sediments. Nutrient status was evaluated for four soil profiles of a coastal village to have information on the nutrient supplying capacity of these soils which is necessary for making accurate fertilizer recommendation in the study area. The nutrient status of the soils i...
In this city in the conditions of typical serozems soils with old irrigated heavy sand, by the combined application of mineral and organic fertilizers only a very high positive effect on the amount of humus given learned area in the soil. Moderately supplied with nitrogen and potassium, weakly supplied with phosphorus. Scientific studies were carri...
Wheat (Triticum aestivum L.) is the important crop in world. This field experiment was conducted in order to investigate different concentrations of carbon dioxide (CO2) in the conditions of competition with wild oat (Avena ludoviciana) on wheat. The studied treatments included three CO2 concentrations (400, 700, and 1000 ppm) and five weed densiti...
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... The Sac Beh (white maize) and Chichen Itza (yellow maize) varieties were developed through the genetic introduction of 75% of a Mayan creole germplasm and 25% of a quality protein donor called Hybrid-519 C. They have innate characteristics of native maize adapted to stony lands where farmers practice shifting cultivation (slash and burn) as an alternative to improve their family's standard of living. For maize to be considered QPM, it must have lysine and tryptophan levels above 0.35 and 0.072 g per 100 g of grain, respectively (Ramírez-Silva et al., 2022). However, no studies on protein concentrate from these novel QPM have been reported; so, their techno-functional properties and potential for food production are unknown. ...
Nowadays, new strategies and alternatives are being implemented to improve the protein quality of foods containing essential amino acids, like quality protein maize (QPM). The techno-functional properties of protein concentrate from QPM maize: Sac Beh (SB), Chichen Itza (ChI), and Blanco Uxmal (BU); non-nixtamalized (NN) and nixtamalized (N), were evaluated in the present work. The non-nixtamalized varieties showed higher amounts of protein in the QPM ChI (86.81%) and nitrogen solubility of 64.94% as the pH increased to 9. The emulsifying capacity was higher at pH 5 (60.74%). The non-nixtamalized SB samples showed higher foaming stability (1.82%) at pH 7, and the non-nixtamalized BU samples had higher foaming capacity at pH 5 (60.74%). Water holding capacities ranging from 1.2 to 3.13 g/g were achieved. The non-nixtamalized QPM concentrates had higher water and oil holding capacities. There was a predominance of elastic character over viscous character (G' > G'') in all treatments behaving as weak gels, which were affected in alkaline conditions by decreasing the modulus value. The techno-functional properties were affected by the processing method. These results could be beneficial for providing a better understanding of the properties of QPM proteins, allowing innovative ways of utilising these proteins as an ingredient in food systems.
... A significant increase was recorded in the levels of nitrogen, phosphorus, and potassium when applying bio-fertilized to barley, corn, and wheat plants compared with the recommended dose (control). A significant increase was also recorded and observed in the percentage of water-and salt-soluble protein fractions (albumin and globulin) when applying bio-fertilization [58][59][60]. ...
Under salinity conditions, growth and productivity of grain crops decrease, leading to inhibition and limited absorption of water and elements necessary for plant growth, osmotic imbalance, ionic stress, and oxidative stress. Microorganisms in bio-fertilizers have several mechanisms to provide benefits to crop plants and reduce the harmful effect of salinity. They can be effective in dissolving phosphate, fixing nitrogen, promoting plant growth, and can have a combination of all these qualities. During two successful agricultural seasons, two field experiments were conducted to evaluate the effect of bio-fertilizer applications, including phosphate solubilizing bacteria (PSB), nitrogen fixation bacteria and a mix of phosphate-solubilizing bacteria and nitrogen fixation bacteria with three rates, 50, 75 and 100% NPK, of the recommended dose of minimal fertilizer on agronomic traits, yield and nutrient uptake of barley (Hordeum vulgare) under saline condition in Village 13, Farafra Oasis, New Valley Governorate, Egypt. The results showed that the application of Microbein + 75% NPK recorded the highest values of plant height, spike length, number of spikes/m2, grain yield (Mg ha−1), straw yield (Mg ha−1), biological yield (Mg ha−1), protein content %, nitrogen (N), phosphorus (P), potassium (K) uptakes in grain and straw (kg ha−1), available nitrogen (mg/kg soil), available phosphorus (mg/kg soil), total microbial count of soil, antioxidant activity of soil (AOA), dehydrogenase, nitrogen fixers, and PSB counts. The application of bio-fertilizers led to an increase in plant tolerance to salt stress, plant growth, grain yield, and straw yield, in addition to the application of the bio-fertilizers, which resulted in a 25% saving in the cost of mineral fertilizers used in barley production.
