In the last thirty years, numerous scientific revolutions have been planned to improve the ecological balance of agricultural production methods, via a considerable decrease of inorganic compounds like pesticides, synthetic plant growth hormones and fertilizers. A favorable and environment sustainable modernization should be the practice of normal plant biostimulants (PBs) which augment flowering, plant evolution, fruit formation, crop output and efficient nutrient mobilization, and ability to endure a varied array of abiotic stressors. PBs was primarily deciphered via exclusive of various functions similar to fertilizers or plant protection by-products. They are assorted constituents and microbes resorted to boost plant development. This review aimed to present the plant biostimulants definition, major classifications, and impacts on floras, soil and ecology.
Background: The intercropping of maize with legumes is beneficial in multifaceted aspects. Advantages of maize-legume intercropping is pronounced in the form of higher yield and greater utilization of available resources, benefits in weeds, pests and disease management, fixation of biological nitrogen by legumes and transfer of nitrogen to associated maize and control of erosion by covering a large extent of ground area. The current investigation aimed to study the effect of maize-French bean and maize-soybean intercropping on growth and yield of maize under rainfed condition of Namsai district of Arunachal Pradesh.
Methods: The field experiment was conducted during 2021 in randomized block design consisting of 3 treatments i.e. T1- sole maize, T2- maize + French bean and T3- maize + soybean with four replications. Observations on growth and yield parameters and yield of maize were recorded on harvesting of the crop. The results were analysed using standard statistical procedures of ANOVA. Result: In maize + French bean and maize + soybean intercropping, the growth and yield parameters as well as yield of maize was higher in maize + soybean intercropping as compared to maize + French bean system. The grain yield of maize under maize + soybean intercropping was 5541.67 kg ha-1. From this study, it can be concluded that the intercropping of maize with soybean would be profitable due to higher yield of maize (2 rows of maize and 2 rows of soybean) under farmer’s field condition of Namsai district of Arunachal Pradesh.
A field experiment was conducted at the Experimental Farm, Department of Horticulture, Assam Agricultural University, Jorhat during the year 2014-2016 with ten germplasm of banana viz. Gobin Tulchi (AAB), Bogimonohar (ABB), Manohar (AAB), Agnisagar (AAA). Barjahaji (AAA), Kachkal (ABB), Assamese Malbhog (AAB), Chenichampa (AAB), Bharatmoni (AAB) and Jahaji (AAA) to assess the physiological performance of this banana (Musa spp.) germplasm with special reference to moisture stress. The various parameters were recorded at 5th, 7th and 9th months after planting. The soil of the experimental field was acidic, well drained and sandy loam in texture with low available N and K and medium available P content. The statistical design was Randomized block design. All the data pertaining to the present investigation were statistically analysed as per the method of analysis of variance (ANOVA) given by Panse and Sukhatme (1967). The critical difference (CD) values were calculated at 5 per cent probability level. For analysis software SPSS 7.5, Costat 6.3 and MS-excel were used. Moisture stress progressively reduced the values of leaf area, root biomass, specific leaf weight, fruit length, fruit circumference, duration of fruit filling, number of hands per bunch, number of finger per bunch, pulp-peel ratio and bunch weight. The germplasm Barjahaji was found to be higher yielder followed by Bogimonohar and Agnisagar whereas the cultivar Kachkal and Assamese Malbhog were found to be the lowest performer in this regard. From the above, it can be concluded that the cultivars Barjahaji, Bogimonohar and Agnisagar are physiologically more tolerant.
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