The effect of four nitrogen levels {0 kg N ha -1 (N 0 ), 50 kg N ha -1 (N 1 ), 100 kg N ha -1 (N 2 ) and 150 kg N ha -1 (N 3 )} two QPM hybrids {Shaktiman-2 (G 1 ) and Shaktiman-4 (G 2 )} and three levels of sulphur { 15 kg S ha -1 (S 1 ), 30 kg S ha -1 (S 2 ) and 45 kg S ha -1 (S 3 )} in quality protein maize (QPM) production for two years on an experimental field (Sandy clay loam) located at Agricultural Dryland Research Farm, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, India. Each treatment was replicated three times in split plot design. The aim of research was to determine the influence of nitrogen and sulphur levels on yield, quality and economics of QPM hybrids under dryland condition.The significantly highest plant height, leaf area index (LAI), yield, net returns, benefit: cost ratio (B: C), lysine and tryptophan content were recorded with 150 kg N ha -1 (N 150 ) as compared to N 100 , N 50 and N 0 . On average QPM hybrids, Shaktiman-4 produced significantly taller plant (171.68cm), higher LAI (5.49), grain yield (60.54 q ha ), net return (Rs. 39825.09 ha -1 ), B: C ratio (2.26), tryptophan content (0.79%) and lysine content (3.91) than Shaktiman-2× S 15 .
The studies are described to indicate biofortification of micronutrients into seed and their various fractions availability into soil. The primary application of biofortification is to alleviate micronutrient deficiencies in developing country populations. Soil samples were analyzed for the DTPA (pH 7.3), extractable micronutrients were extracted by 0.005 M DTPA, 0.01 M CaCl 2 and 0.1 M triethanol amine and determined on atomic absorption spectrophotometer (AAS). The total zinc was determined with hydrofluoric and perchloric acid by AAS. The objectives of experiment were to examine the effect of Zn biofortification and transformation under various organic and zinc fertilization for realizing maximum use efficiency in Vertisols. Among organic manures, sugarcane press mud recorded more yield, higher Zn concentration, fractions, uptake and their use efficiency than other. Application of Zinc @ 10 kg ha -1 recorded the highest water soluble Zn, exchangeable Zn, complexed Zn, organic bond zinc, occluded Zn and residual zinc in rice and chickpea, respectively. Various fractions of zinc positively correlated with each other. However, Organic and zinc fertilization in rice offers a practical and useful approach to improve bioavailable Zn in rice and chickpea.
Background: Field experiments/ On Farm Trial (OFT) were conducted at Farmers field in village Hasanchak and Agwanpur under the ICAR- Krishi Vigyan Kendra, Barh, Patna during the winter season (Rabi). The basic aim of experiment was to find out the effective method of weed control in Zero- tilled wheat through the application of herbicide. Methods: The experiment was laid in Randomized Block design (RBD) in 2014-2015, replicated 4 times (Farmers field) with 5 treatments viz., 2,4-D, ethyl ester 2.00 kg ha-1 at 25 days after sowing (DAS) fb one hand weeding (Conventional tillage-Farmer practices) at 55 DAS, Sulfosulfuron 75% WP 25 g ha-1, Metsulfuron 20% WP @ 20 g ha-1 at 25 DAS, Sulfosuluron 75% WP + Metsulfuron 20% WP @ 40 g ha-1 at 25 DAS and control (Unweeded). Result: Sulfosuluron 75% WP + Metsulfuron 20% WP @ 40 g ha-1 at 25 days after sowing provided effective control of grassy and broadleaf weeds and recorded less dry weight and highest (91%) weed control efficiency (WCE). Herbicide Sulfosulfuron 75% WP 25 g ha-1 and Metsulfuron 20% WP @ 20 g ha-1 controlled only grassy and broadleaf weeds, respectively. 2,4-D, ethyl ester 2.00 kg ha-1 fb one hand weeding (Conventional tillage-Farmer practices) recorded higher weed dry weight and less weed control efficiency (WCE). Significantly higher grain yield (4280 kg ha-1) was recorded under Sulfosuluron 75% WP + Metsulfuron 20% WP @ 40 g ha-1 at 25 days after sowing followed by Metsulfuron 20% WP 20 g ha-1, Sulfosulfuron 75% WP 25 g ha-1, 2,4-D, 2.00 kg ha-1 fb one hand weeding (Farmer practices). Significantly higher net return (Rs. 48145 ha-1) and B:C ratio (2.93) were recorded under Sulfosuluron 75% WP + Metsulfuron 20% WP @ 40 g ha-1 at 25 days after sowing.
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