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1.
Artículo | IMSEAR | ID: sea-230908

RESUMEN

Wheat (Triticum aestivum L.) is one of the world's most essential cereal crops, serving as a staple food for a significant portion of the global population. In the pursuit of achieving higher yields in contemporary agriculture, the use of chemical fertilizers poses an increased environmental risk. However, the application of Nano urea offers a potential solution to mitigate this risk to a certain extent. To address this objective, a field experiment was conducted during the Rabi seasons of 2022-2023 at the A trial was executed in the rural area of Kanpur district of Mandhana, located 10 km from Kanpur in Uttar Pradesh, during the Rabi season of 2022-23. The experimental design involved two main factors: Factor-1 Nitrogen (at 50%, 75%, and 100% levels) and Factor-2 Foliar Spray (at one time Nano urea and two time Nano urea, with 4 ml/l). A control group was included, and the experiment was laid out in a Randomized Block Design (RBD) with 13 treatments in three replications. The results indicated that the combination of 100% nitrogen along with a foliar spray of 4 ml/L Nano urea had a significant positive impact on growth, yield, and various yield parameters. Treatment 6 demonstrated the highest values for plant height (95.66 cm), Dry matter accumulation (1014.09 g m-2), number of tillers m-2 (417.44), Leaf area index at 90 DAS (4.85), effective ear head per (m-2) (282.66), grains per ear head (65.75), test weight (48.52 g), grain yield (46.15 quintals/ha), and straw yield (57.92 quintals/ha). The study's results demonstrated a generally positive effect of combined Nano urea with traditional NPK nutrient supply on the growth and yield parameters of wheat in irrigated conditions.

2.
Artículo | IMSEAR | ID: sea-230872

RESUMEN

Aims: Conventional urea fertilizer has been critical in enhancing castor yields. However, nano urea, a game-changing technology in modern agriculture, provides a significant advancement in terms of sustainable and efficient crop production.Study Design: The experiment was conducted in a Randomized block design (RBD) with eight treatments and three replications.Place and Duration of Study: Tapioca and Castor Research Station in Yethapur during the Kharif season of 2022.Methodology: The major objective is to increase hybrid castor growth and production under rainfed circumstances by foliar application of nano urea. The castor hybrid YRCH 1 with an RDF of 60:30:30 NPK kg ha-1 was chosen for the study. The experimental details viz; T1 - 100% N through Urea –RDF, T2 - 50 % of recommended basal N + Nano urea foliar spray @ 2 ml/l at 30 and 60 DAS, T3 - 50 % of recommended basal N + 2 % Urea foliar spray at 30 and 60 DAS, T4 - 75 % of recommended basal N + Nano urea foliar spray @ 2 ml/l at 30 and 60 DAS, T5 - 75 % of recommended basal N+ 2 % Urea foliar spray at 30 and 60 DAS, T6 - 100 % of recommended basal N + Nano urea foliar spray @ 2 ml/l at 30 and 60 DAS, T7 - 100 % of recommended basal N + 2 % Urea foliar spray at 30 and 60 DAS.Results: According to the findings of the study, applying 100% of the recommended basal N + Nano urea foliar spray @ 2 ml/l at 30 and 60 DAS is advantageous to the crop and improves the growth and yield characteristics of hybrid castor under rainfed conditions. However, when compared to other treatments, foliar application of nano urea with 50% indicated basal N resulted in significantly lower growth and yield.Conclusion: The major objective is to increase hybrid castor growth and production under rainfed circumstances by foliar application of nano urea

3.
Artículo | IMSEAR | ID: sea-230801

RESUMEN

Wheat (Triticum aestivum) is second most important staple crop in India after rice. Weeds have emerged as the major biotic stress in wheat. Post-emergence herbicidal combinations are used widely to control the complex weed flora in wheat crops. A field experiment was carried out to study the “Effects of herbicides and nano urea mixture on weeds, yield attributes and yield of wheat (Triticum aestivum)”. The experiment was performed in randomized blocked design with three replications and fourteen treatments in Rabi season 2022-23 at Agronomy Research Farm, CCS Haryana Agricultural University, Hisar. Significantly minimum weed count (1.52 m-2) and dry weight (1.49 g m-2) and maximum weed control efficiency (88.6%) of Phalaris minor and broadleaved weeds (87%) was recorded with application of clodinafop + metribuzin 60 + 210 g ha-1 with nano urea 3 ml L-1 followed by clodinafop + metribuzin 60 + 210 g ha-1 at 90 DAS. In case of yield attributes i.e. number of effective tillers per meter row length (92.5), spike length (11.4 cm), number of grains spike-1 (55.9) and 1000-grain weight (43.8) were higher with application of clodinafop + metribuzin 60 + 210 g ha-1 with nano urea 3 ml L-1 followed by clodinafop + metribuzin 60 + 210 g ha-1. Grain yield (5876 kg ha-1) and B:C (1.94) was recorded higher with application of clodinafop + metribuzin 60 + 210 g ha-1 with nano urea 3 ml L-1 followed by clodinafop + metribuzin 60 + 210 g ha-1 which was significantly higher than weedy check but at par with the weed free treatment.

4.
Artículo | IMSEAR | ID: sea-230774

RESUMEN

A study on “Synthesis, Characterization and Impact of Nano-urea on Growth and Yield of Wheat in Inceptisol” was conducted at Division of Soil Science, College of Agriculture, Pune during rabi 2021. The object of this experiment is to synthesize and characterize nano-urea at post graduate laboratory of Soil Science, College of Agriculture, Pune and which is named as COAP (College of Agriculture, Pune). Nano-urea was synthesized from granular conventional urea and characterised for size of nano particles by using scanning electron microscope. The experiment consisted of twenty one combinations of treatment based on 3 levels of recommended doses of nitrogen (0, 50, 75%) and six nitrogen levels for foliar sprays and water spray as a control which was replicated twice in factorial completely randomized Design (FCRD). The foliar sprays of nitrogen consisted of four levels of COAP nano-urea @ 50, 100, 150 and 200 ppm, IFFCO nano-urea @ 160 ppm and conventional urea @ 10,000 ppm applied at 30 and 50 DAS.It could be revealed that average size of COAP (22.419 nm) and IFFCO (22.773 nm) nano-urea was almost same. Results revealed that conjoint application of 75% nitrogen along with two foliar sprays of conventional urea @10,000 ppm, COAP nano-urea @ 200 ppm and IFFCO nano-urea @ 160 ppm taken at 30 and 50 DAS for wheat recorded significantly higher periodical plant height and leaf area at 35 and 55 DAS. Significantly higher plant height was reported with combine application of 75% RDN along with two foliar sprays of urea @ 10,000 ppm (76.83 cm) which was statistically at par with nano-urea of IIFCO (76.20 cm) and COAP (74.20 cm) than rest of the treatment at 55 DAS. In case of leaf area, application of 75% RDN along with two foliar sprays of either conventional urea @ 10,000 ppm, IFFCO nano- urea @ 160 ppm and COAP nano-urea @ 200 ppm at 35 and 55 DAS. Application of 75% recommended dose of nitrogen along with two foliar sprays of 10,000 ppm conventional urea recorded significantly higher grain (45 g pot-1) and straw yield (65.39 g pot-1) of wheat which was found to be significantly at par with 75% RDN + IFFCO nano-urea @160 ppm (44.91 and 62.87 g pot-1) and 75% RDN + COAP nano-urea @ 200 ppm (44.83 and 60.66 g pot-1).

5.
Artículo | IMSEAR | ID: sea-230709

RESUMEN

In pursuit of high yield today’s agriculture cultivars put the environment at greater risk by the inputs of chemical fertilizers. Using Nano urea we can minimize the inputs damage upto a certain extent. With this objective, field experiment was carried out during Rabi seasons of 2022-2023 at Crop Research Farm, Department of Agronomy, SHUATS, Prayagraj, Uttar Pradesh on topic “Effect of nano urea and foliar spray of urea on growth and yield of wheat”. The treatment include two factors, Factor- 1 Nitrogen (50 %, 75%, 100%) and Factor- 2 Foliar Spray (2ml/L nano urea, 4 ml/L nano urea, 2% urea) and one control was laid out in Randomized Block Design (RBD) with 10 treatments and three replications. Result revealed that 100% nitrogen along with foliar spray of 4ml/L nano urea recorded significant effect on Growth, yield and yield parameters. Treatment 6 recorded maximum plant height (101.62 cm), dry weight (21.95 g) number of tillers/running row (85.02), number of effective tillers/m2 (340.08), number of grains/spike (54.16), test weight (48.52 g), grain yield (6.30 t/ha) and straw yield (7.98 t/ha).

6.
Artículo | IMSEAR | ID: sea-230594

RESUMEN

Aims: Foliar application of nano nitrogen is aimed to reduce the soil application of conventional nitrogen. Nano fertilizers enhance crop growth, yield and quality while enhancing the faster nutrient uptake and reducing costs. They provide precise nutrient management, matching crop growth stage and offer increased surface area for metabolic reactions. This boosts photosynthesis, leading to higher dry matter production and crop yield. Foliar application of nano urea (liquid) at flowering, boll initiation and boll development stages in cotton fulfills the nitrogen requirement and reflects higher crop productivity and quality. Higher productivity of crops in sustainable manner could be achieved applying appropriate combination of conventional fertilizer and nano fertilizers. Study Design: The experiment was laid out in split design with three replications.Place and Duration of Study: A field experiment was conducted in shallow black soils at Main Agricultural Research Station, Raichur, during kharif 2022.Methodology: There were fifteen treatment combinations, consisting of different doses of RDN (50 % N, 75 % N and 100 % N) with different concentrations of nano urea sprayed at 90, 100 DAS and 135 DAS for US-7067 BG-? hybrid of Bt cotton.Results: Application of 100% RDN has recorded significantly higher plant height, sympodial branches plant-1 and total dry matter accumulation (176.9 cm, 27.1 and 430.31g plant-1, respectively) followed by 75 % RDN (168 cm, 26.7 and 426.91 g plant-1, respectively) which found on par with each other. It also produced higher number of bolls plant-1 (50.3), boll weight (5.81 g) and seed cotton yield (3388 kg ha-1) followed by 75 % RDN (50.2, 5.36 g and 3376 kg ha-1, respectively) which found comparable with each other. Foliar application of nano urea @ 0.6 per cent each at 90, 100 and 135 DAS has recorded significantly higher plant height (180.8 cm), sympodial branches plant-1 (28.5), total dry matter accumulation (429.42 g plant-1), number of bolls plant-1 (52.2), boll weight (5.93 g) and seed cotton yield (3485 kg ha-1) followed by foliar spray of nano urea @ 0.4 per cent each at 90, 100 and 135 DAS (173.3 cm, 28, 428.52 g plant-1, 51.8, 5.67 g and 3465 kg ha-1, respectively) which found on par with each other. Similar trend was recorded with regard to nutrient uptake by cotton.Conclusion: Foliar application of nano urea reduced the dosage of conventional nitrogen by 25 per cent. There was linear increase in seed cotton yield (kg ha-1) with increasing levels of nitrogen levels.

7.
Artículo | IMSEAR | ID: sea-230578

RESUMEN

A field experiment was conducted at Agricultural and Horticultural Research Station, Bavikere, KSNUAHS, Shivamogga, India during Late Kharif 2022 to evaluate the effect of nano and conventional urea on growth and yield of ragi. The experiment was laid out in RCBD with eleven treatments replicated thrice. The treatments comprised of absolute control (T1), recommended dose of fertilizer (T2), 50 per cent RDN + two sprays of 0.4 per cent nano urea fertilizer at 30 & 45 DAT (T3), 75 per cent RDN + one spray of 0.4 per cent nano urea fertilizer at 30 DAT (T4), 75 percent RDN + two sprays of 0.4 percent nano urea fertilizer at 30 & 45 DAT (T5), 100 per cent RDN + one spray of 0.4 percent nano urea fertilizer at 30 DAT (T6), 50 percent RDN + two sprays of 2 per cent urea fertilizer at 30 & 45 DAT (T7), 75 per cent RDN + one spray of 2 per cent urea fertilizer at 30 DAT (T8), 75 percent RDN + two sprays of 2 percent urea fertilizer at 30 & 45 DAT (T9), 100 per cent RDN + one spray of 2 per cent urea fertilizer at 30 DAT (T10), four sprays of 0.4 per cent nano urea fertilizer at 15, 30, 45 & 60 DAT (T11). The results revealed that the application of 100 per cent RDN + one spray of 0.4 per cent nano urea fertilizer at 30 DAT (T6) recorded higher plant height (94.13 cm), number of tillers hill-1 (8.85), number of earheads per hill (7.86), finger length (8.46), grain yield (3812 kg ha-1), straw yield (6453 kg ha-1) and harvest index (37.13%), which was statistically on par with the T10 and T5. Treatment T6 produced 9.32 per cent higher grain yield compared to T2.

8.
Artículo | IMSEAR | ID: sea-230365

RESUMEN

A field study was conducted during Rabi season 2022at the Horticultural Research Farm, Mangalayatan University, Jabalpur to study the effect of foliar application of nano urea and urea on growth and yield of onion. The experiment was laid out in RBD with three replications and consisted of 9 treatments viz., T1-100% RDF (100:50:50 kg NPK ha1), T2-75:50:50 kg NPK ha-1 + foliar spray of 0.4% nano urea on 30 and 60 DAT, T350:50:50 kg NPK ha-1 + foliar spray of 0.4% nano urea on 30 and 60 DAT, T4-75:50:50 kg NPK ha-1 + foliar spray of 0.4% nano urea on 30 DAT, T5-50:50:50 kg NPK ha-1 + foliar spray of 0.4% nano urea on 30 DAT, T6-75:50:50 kg NPK ha-1 + foliar spray of 0.5% urea on 30 and 60 DAT, T7-50:50:50 kg NPK ha-1 + foliar spray of 0.5% urea on 30 and 60 DAT, T8-75:50:50 kg NPK ha-1 + foliar spray of 1% urea on 30 and 60 DAT, and T9-50:50:50 kg NPK ha-1 + foliar spray of 1% urea on 30 and 60 DAT. Each treatment showed their significant effects on the recorded growth and yield parameters. Among all the treatments, treatment T2 with 25% reduced nitrogen application plus foliar spray of 0.4% nano urea on 30 and 60 DAT recorded maximum plant height on 90 DAT (57.82 cm),number of leaves (9.13), equatorial diameter (5.51 cm), polar diameter (5.17), average bulb weight (69.56 g), bulb yield (336.40 kg) than other treatments.

9.
Artículo | IMSEAR | ID: sea-230272

RESUMEN

maize requires large amounts of nutrients for appropriate growth, production and yield, it is regarded as a crop that is nutrient-exhaustive. The nutrient requirements of the maize crop can be maintained with the use of effective nutrient management techniques. Nanotechnology is gradually making its way from the experimental to the useful realms, like the development of slow-release fertilizers, conditional release of pesticides and herbicides, on the basis of nanotechnology has become critically important for promoting the development of environment friendly and sustainable agriculture. Traditional fertilisation techniques may undergo a revolution thanks to the inherent features of nanoparticles, which enable improved nutrient absorption, precision distribution and greater bioavailability. The results, as evidenced by multiple studies, indicate significant improvements in growth parameters, seed production, and overall plant health.

10.
Artículo | IMSEAR | ID: sea-230226

RESUMEN

A field experiment was conducted during Rabi 2022 at Crop Research Farm, Department of Agronomy, SHUATS, Prayagraj (U.P) to study the ”Effect of Nitrogen Rates and Foliar Spray of Urea Application and Nano Urea on Yield and Economics of rabi Maize (Zea mays L.)”effect of three nitrogen rates (50%, 75% and 100% RDN ) and three foliar spray of urea viz 20000 PPM (2%) and nano urea viz 2000 PPM (2 ml/L) and 4000 PPM (4ml/L) application on yield and economics of rabi maize (Zea mays L.). The soil of experimental plot was sandy loam texture, nearly neutral in soil reaction (pH 7.1), low in organic carbon (0.28%), available N (225kg/ha), available P (19.50) kg/ha) and available K (92 kg/ha). The experiment consists of 10 treatment, each being replicated thrice and laid out in Randomized Block Design. The results of present investigation revealed that the highest Grain yield (6.41 t/ha), Stover yield (8.65 t/ha), Harvest Index (42.58), Maximum gross return (INR 1,28266.67), Net return (81,682.75) and B:C ration (1.75) under 100% RDN +4000ppm (4 ml/l) spray of nano urea.

11.
Artículo | IMSEAR | ID: sea-230200

RESUMEN

The greater challenges of the 21st century is affordably meeting nutritious food demand for a world population which were expected to surpass 9.6 billion people at middle of the century and at the same time sustaining a quality and quantity of a natural resources and biodiversity. Coming to the reality a need of urgent attention for technological innovations in a sector of food production ultimately leading for “greater protein and energy production per unit of resource input”. Therefore, a field experimented was conducted at Chamelti Agriculture Farm, MS Swaminathan School of Agriculture, Shoolini University of Biotechnology and Management Sciences, Solan during kharif season of 2022 to study the effect of row spacing and nitrogen sources on growth, yield and economics of babycorn. The results reveals that significantly higher growth and yield attributing characters were observed with wider spacing of (R3) 60 cm and (N4) nano urea. However, higher yield and economic returns were significantly higher with row spacing of (R2) 45 cm along with (N4) nano urea. On the basis of B: C ratio, row spacing of (R2) 45 cm along with (N4) nano urea was found to be remunerative for baby corn under Mid hills of Himachal Pradesh.

12.
Artículo | IMSEAR | ID: sea-230139

RESUMEN

Safflower (Carthamus tinctorius L.) is an important oil seed crop, essential as vegetable oil for humans and feed for livestock. The experiment was conducted in a split plot design to study the effects of foliar application of nano urea and urea on safflower growth and development. The results showed that application of 100% nitrogen in the form of urea topdressing at vegetative stage and foliar spray of nano urea twice at flowering and seed filling stages significantly improved the physiological parameters viz. plant height (cm), primary branches of safflower. The CSI, RWC, Seed yield (kg/ha), 100 seed weight (g) and hull content (%) of safflower also significantly improved with 100% N and foliar spray of nano urea twice at flowering and seed filling stages. The result from the study suggests that application of urea as split doses and foliar spray of nano urea at reproductive stage is beneficial for the crop and will improve seed yield and oil quality of safflower. Foliar application of nano urea improves the nutrient uptake by the crop through its slow and controlled release of nutrients. It also helps in reducing environmental pollution due to leaching of fertilizers.

13.
Artículo | IMSEAR | ID: sea-229948

RESUMEN

Aims: Foliar nutrition is aimed to eliminate the problems of fixation and immobilization of nutrients. Hence, foliar nutrition is being recognized as a significant way of fertilizing modern agriculture, especially under rainfed conditions. Nano fertilizers because of smaller size and higher surface area are efficient as compared to conventional and produce better results when used in combined form.Study Design: The experiment was laid out in Randomized complete block design with three replications.Place and Duration of Study: A field experiment was conducted in medium black soils at Agricultural Research Station, Hagari, during Kharif 2022.Methodology: There were ten treatment combinations, consisting of different doses of RDF (50 % RNP, 75 % RNP and 100 % RDF and absolute control) with different doses of nano urea and Dap sprayed at 30 and 45 DAS for CSH-16 hybrid of sorghum.Results: Application of 75% RNP as basal + nano urea & DAP spray @ 1.5 ml l-1 each at 30 and 45 DAS recorded significantly higher number of leaves, leaf area and leaf area index. It also produced higher earhead length (35.9 cm), number of grains earhead-1 (2207), grain weight (57 g plant-1) and test weight (29.3 g 1000 grains-1). Nutrient content and uptake also showed higher values for the same treatment along with the nutrient use efficiency indices. Whereas, significant reduction in soil microbes was noticed by the application of treatment.Conclusion: Combined application of conventional and nano fertilizers helped to increase growth, growth attributes like number of leaves, leaf area, leaf area index, yield attributes, nutrient content, nutrient uptake and nutrient use efficiency of sorghum.

14.
Artículo | IMSEAR | ID: sea-229851

RESUMEN

Rice is a staple crop that feeds a large section of the world's population, and conventional urea fertilisers have played an important role in increasing rice yields. However, nano urea, a game-changing invention in modern agriculture, represents a big step forward in terms of sustainable and efficient crop production. The experiment was carried out at wetlands farm of Tamil Nadu Agricultural University, Coimbatore, during Navarai season, 2022 in a Randomized block design with eight treatments and three replications. The main objective is to enhancing the growth and yield of rice through foliar application of nano urea. The rice variety CO 55 was taken up for the study with the RDF of 150:50:50 NPK kg ha-1. The experimental details viz; T1 -100% recommended dose of nitrogen (RDN) (150 kg N) through urea (25% each at basal, AT, PI and heading stage), T2 - 100% RDN (150 kg N) through urea (50% as basal+ two top dressing 25% each at AT & PI), T3 - 50% RDN (75 kg N) through urea (basal only) , T4 - 50% RDN (75 kg N) through urea (basal only) + two foliar sprays of nano urea at 20th and 40th DAT, T5 -50% RDN (75 kg N) through urea (basal only) + three foliar sprays of nano urea at 20th, 40th and 60th DAT, T6 -25% RDN (37.5 kg N) through urea (basal only) + three foliar sprays of nano urea at 20th, 40th and 60th DAT, T7 -Foliar sprays of nano urea at 20th 40th and 60th DAT (no basal application), T8 -Control (0% N). Based on the experimental results show that, among the treatments the higher plant height, leaf area index and yield should be obtained in the T5 treatment ie; reduced basal nitrogen application as 50%, with nano urea foliar spray.

15.
Artículo | IMSEAR | ID: sea-229361

RESUMEN

Aim: To study effect of integrated nutrient management on growth and yield of maize (Zea mays L.).Study Design: A field experiment was conducted at Agronomy farm, school of agriculture, Lovely Professional University, Punjab, India during kharif season of 2022.Methodology: The experiment trail was laid out in randomized block design. It consisted of three replications with ten treatment combinations i.e. T1- 100% Recommended dose fertilizers (RDF) + Farmyard manure(FYM)15 t ha-1;, T2- 100% RDF + Vermicompost7.5 t ha-1;, T3-100% RDF + seed priming with Biofertilizers (Azotobacter), T4- 75% RDF + FYM 11 t ha-1;, T5- 75% RDF + Vermicompost 5.6 t ha-1;, T6-75% RDF +seed priming with Biofertilizers (Azotobacter);,T7- 50% RDF basal dose + Nano urea spray 0.15% (25 and 50 Days After Sowing);, T8- 50% RDF basal dose + Nano urea spray0.30% (25 and 50 DAS);, T9- Vermicompost 3.5 t ha-1 + seed priming with Biofertilizers (Azotobacter); T10- control.Results: The results showed that application of T2 100% RDF + Vermicompost 7.5 t ha-1 had significant effect on growth and yield of maize. The plant height, number of leaves per plant and dry matter accumulation were also significantly higher in T2followed by T1100% RDF + FYM 15 t ha-1. The highest grain yield (64.36 q ha-1) was obtained in T2 followed by T1 (63.6 q ha-1), T3 (57.92 q ha-1) andT8 (56.16 q ha-1).Conclusion: Overall, the results and the study suggest the use of integrated nutrient management can improve the growth and yield of maize and provide sustainable solution to meet the nutrient requirements of the crop.

16.
Artículo | IMSEAR | ID: sea-229348

RESUMEN

An experimental study was conducted to investigate the effects of nitrogen fertilization on finger millet, with Significant nutrient losses, especially for nitrogen (N) fertilizers, occurring when chemical fertilizers are directly incorporated into the field. These losses primarily result from leaching and volatilization processes under this practice, crops tend to utilize only a fraction of the applied N fertilizers, typically ranging from 30 to 40%. These observations highlight the inefficiency of traditional fertilizer application methods and the need for improved nutrient management strategies to maximize nutrient utilization by crops and minimize environmental impacts. The study was conducted in Karunya Institute of Technology and Sciences Coimbatore. The experiment was laid out in Randomized block design (RBD) with seven treatments and replicated three times. The results of the study demonstrated that the treatment combining 50% neem-coated urea (NCU) and 50% nano urea (NU) in addition to phosphorus (P) and potassium (K) (T5) exhibited exceptional performance compared to the other treatments. This particular treatment displayed significant outcomes, including an increase in plant height of (93.7cm), improved leaf area index (3.95), greater total dry matter production (6443 kg/ha), a higher number of tillers (161.24/m2), increased productive tillers (94.2/m2), enhanced grain yield (4350 kg/ha), higher straw yield (5829 kg/ha), improved gross returns (143313 Rs/ha), a net return of (Rs. 88,247/ha), and a benefit-cost ratio of 2.60. On the other hand, the application of (75% Neem coated urea + 25% Nano urea + P and K) can be considered as a second option for obtaining higher yield and economics of growing finger millet.

17.
Artículo | IMSEAR | ID: sea-229032

RESUMEN

A field experiment was conducted at the Crop Research Farm (CRF), Department of Agronomy, Naini Agricultural Institute, Sam Higginbottom University of Kharif season 2022. The experiment comprised of ten treatments of different combinations of Nanourea and Zinc nutrient management replicated thrice in a Randomized Block Design. The main objective of the experiment was to evaluate the “Response of Nano urea and Zinc on growth and yield of Baby corn (Zea mays L.)” Prayagraj condition. The three level of nano urea levels N1- 1 ml/l foliar spray nano urea, N2 -2 ml/l foliar spray nano urea and N3 - 3 ml/l foliar spray nano urea. Where-as three levels of zinc include like Z1- 20 kg/ha zinc, Z2- 25 kg/ha zinc and Z3- 30 kg/ha zinc. From the present investigation it may be concluded that the profitable production of baby corn can be secured by ZnSO4 30 kg/ha + Nanourea 3 ml/lt. (T9). Highest Gross returns (92087.17 ?/ha), Net returns (61352.17 ?/ha) and B:C ratio (2.00) were recorded significantly high with the application of ZnSO4 30 kg/ha + Nano urea 3 ml/lt.

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