scholarly journals Sensitivity Analysis of CERES-Wheat Model under Hisar Conditions

2021 ◽  
Vol 10 (9) ◽  
pp. 368-374
Author(s):  
M. K. Nayak Raj Singh ◽  
Anil Kumar Surender Singh ◽  
Deepak Patil
Keyword(s):  
Grain Yield ◽  
Growth And Yield ◽  
Rabi Season ◽  
Yield Data ◽  
Sunshine Hours ◽  
Dssat Model ◽  
Main Plot ◽  
Genetic Coefficient ◽  
Dough Stage ◽  
Agricultural Meteorology

The field experiment was conducted at Research Farm, Dept of Agricultural Meteorology, CCS HAU, Hisar (Lat.: 290 10’ N, Log.: 75036’ E & 215.2 m above msl), Haryana, India during the rabi season of 2014-15 and 2015-16. Experimental designed laid out with strip plot, as main plot treatment: four growing environments i.e. D1: 5th Nov., D2: 20th Nov., D3: 5th Dec. and D4: 20th Dec. and sub-plot treatment: four irrigation regimes, it applied at different phenophases (I1-CRI, I2- CRI and heading, I3- CRI+ jointing and milking, I4- CRI+ jointing + anthesis and dough stage). Crop growth and yield data of 2014-15 were used for calibration of DSSAT model and cultivar coefficients for WH1105 based on the observed crop characteristics. Genetic coefficient parameters are in the ranges obtained by the few other studies conducted on wheat with the exception of parameters G1, G2, and G3, related to grain growth. Sensitivity of simulated grain yield to down scaled sunshine hours, solar radiation -0.5 to -2.5 hours and -1°C to -5 MJ-2 day-1 showed a gradual decrease in grain yield, respectively.

Growth and Yield of Wheat under Irrigation by Sugar Mill’s Wastewater

2014 ◽  
Vol 24 (1-2) ◽  
pp. 211-218
Author(s):  
PK Kundu ◽  
TK Acharjee ◽  
MA Mojid
Keyword(s):  
Grain Yield ◽  
Fertilizer Application ◽  
Wastewater Irrigation ◽  
Growth And Yield ◽  
Sugar Mill ◽  
Yield Data ◽  
Full Dose ◽  
Sugar Mills ◽  
Irrigation Treatments ◽  
Mixed Water

The possibility of using sugar mill’s wastewater/effluent in irrigation was evaluated by investigating the effects of wastewater on growth and yield of wheat (Triticum aestivum cv. Prodip). The experiment was conducted at North Bengal Sugar Mill site in Natore during December 2011 to March 2012. Three irrigation treatments (I1: irrigation with fresh/tubewell water, I2: irrigation with a mixture of fresh and wastewater at 1:1 ratio and I3: irrigation with wastewater) under a main factor and three fertilizer treatments (F0: no application of fertilizer, F1: half dose fertilizer and F2: full dose fertilizer) under a sub factor were evaluated. The experiment was laid out in a split-plot design with three replications of the treatments. Wheat was grown with three irrigations totaling 14 cm applied at 4, 26 and 43 days after sowing (DAS). Important growth and yield data of the crop were recorded. The highest grain yield of 1.829 t/ha was obtained under mixed water irrigation and the lowest grain yield of 1.469 t/ha was obtained under wastewater irrigation. The three irrigation treatments, however, provided statistically similar (p = 0.05) grain yield. For the interaction between irrigation and fertilizers, mixed water irrigation and full dose fertilizer application (I2F2) provided significantly higher grain yield (2.757 t/ha) than all other treatment combinations. The second highest yield, produced under freshwater irrigation and full dose fertilizer (I1F2), was statistically similar to the yield under wastewater irrigation and full dose fertilizer (I3F2). Results of this experiment thus exposed good prospects of irrigating wheat by sugar mills’ wastewater.DOI: http://dx.doi.org/10.3329/pa.v24i1-2.19174 Progress. Agric. 24(1&2): 211 - 218, 2013

scholarly journals Performance of Wheat as Affected by Different Irrigation Levels and Sowing Dates

2017 ◽  
Vol 14 (2) ◽  
pp. 77-85
Author(s):  
Md Sohel Mahmud ◽  
Md Jafar Ullah ◽  
Md Abdullahil Baque ◽  
Lutfun Naher ◽  
Sayed Mohammad Mohsin
Keyword(s):  
Grain Yield ◽  
Maximum Yield ◽  
Growth And Yield ◽  
Sowing Time ◽  
Sowing Dates ◽  
Two Factors ◽  
Main Plot ◽  
Irrigation Levels ◽  
1000 Grain Weight ◽  
Plot Design

The experiment was conducted to determine the effect of irrigations and sowing dates on growth and yield performance of wheat in the experimental field of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh during the period of November 18, 2012 to March 30, 2013. The experiment was comprised of two factors, viz. factor A: two irrigations namely irrigation (I) and no irrigation i.e. control (I0), and factor B: three sowing dates such as S1: 1st sowing on 18 November, S2: 2nd sowing on 03 December and S3: 3rd sowing on 18 December. The experiment was laid out in a split plot design with three replications. Irrigation was assigned in the main plot, while sowing time was in the sub-plots. Data on grain yield and different yield contributing characters were taken after harvest. Results indicated that the highest grain yield was obtained with I (2.915 t ha-1) and S1 (2.983 t ha-1). The interaction of irrigation (I) and sowing on 18 November (S1) showed the maximum yield (3.387t ha-1), spike length (17.08 cm), 1000 grain weight (43.4 g), spikelets spike-1 (20.03) and grain spike-1 (65.58) of wheat.The Agriculturists 2016; 14(2) 77-85

scholarly journals Effects of Dairy Farm’s Wastewater Irrigation on Wheat Production and Soil Health

2016 ◽  
Vol 8 (2) ◽  
pp. 157-162 ◽  
Author(s):  
MT Islam ◽  
AKM Adham ◽  
D Islam
Keyword(s):  
Grain Yield ◽  
Soil Health ◽  
Dairy Farm ◽  
Quality Parameters ◽  
Wastewater Irrigation ◽  
Growth And Yield ◽  
Yield Data ◽  
Wheat Production ◽  
Wheat Field ◽  
Raw Wastewater

An experiment was conducted at the experimental field of the Bangladesh Agricultural University (BAU) to investigate the effects of dairy farm’s wastewater irrigation on wheat (Triticum aestivum cv. BARI "Shatabdi") production and soil health during 30 November 2013 through 22 March 2014. Three irrigation and three fertilizer treatments were involved in the experiment. The experiment was laid down in a split-plot design with three replications of the treatments. Various growth and yield data of the crop were recorded. For the effect of irrigation water quality, the highest and the lowest grain yield (2.88 t ha-1 and 2.71 t ha-1) were obtained under I3 and I2, respectively. For the effect of fertilizer, the highest and the lowest grain yield (4.42 t ha-1and 1.59 t ha-1) were obtained under F2 and F0, respectively. The interaction effect between irrigation and fertilizer exerted a significant impact on the grain yield of wheat. Irrigation by wastewater did not significantly alter the quality parameters of the irrigated soils. The raw wastewater supplied more nutrients to the soil of the wheat field. Therefore, it may be used as a source of irrigation and fertilizer for wheat production without any hazard of the soil health.J. Environ. Sci. & Natural Resources, 8(2): 157-162 2015

Wheat yield as influenced by urea applied with nitrification inhibitor and gibberellic acid

2020 ◽  
Author(s):  
Rayehe Mirkhani ◽  
Mehdi Shorafa ◽  
Mohammad Zaman
Keyword(s):  
Grain Yield ◽  
Crop Yield ◽  
Stem Elongation ◽  
Block Design ◽  
Wheat Yield ◽  
Nitrification Inhibitor ◽  
Growth And Yield ◽  
Control Treatment ◽  
Yield Data ◽  
Economic Implications

<p>Among the essential plant nutrients, nitrogen (N) is the most needed. Farmer apply N fertilizer, predominantly urea to meet crop N demand. However, a greater proportion of the applied urea-N is not being used by plants and lost to the atmosphere as ammonia or greenhouse gases. Therefore, it is necessary to enhance N use efficiency (NUE) of applied urea by minimizing such losses, which has environmental and economic implications. Nitrification inhibitor, such as nitrapyrin (NP), has the most potential to minimise N losses and enhance crop yield. Similarly, plant hormones, such as GA3, has the potential to reduce abiotic stress and improve plant growth and yield.   <br>A field experiment was established on an arable site at University of Tehran, Karaj to determine the effect of urea applied with Nitrapyrin and GA3 on wheat yield in 2018-2019. Karaj has a Mediterranean climate with annual precipitation of 265 mm. A randomized complete block design in five replications was used in this study. Treatments were: T1 (control treatment - without urea), T2 (farmers practice - 138 kg N/ha), and T3 (best practice - 138 kg N/ha+NP+GA3). Urea was applied in three split applications (46 kg N/ha) at growth stage (GS 21) or tillering, (GS 32) or stem elongation, and (GS 40) or booting. GA3 in T3 treatment, was applied only at stem elongation stage. <br>The crop yield data showed that, urea applied with NP and GA3 had a significant (p ≤ 0.01) effect on grain yield, biological yield, number of grains, 1000-grain weight and % Harvest Index (%HI) compared to other treatments. Urea applied with NP and GA3 increased grain yield (10.30 t ha-1) by 13.9% and 46.1% compared to farmer practices (9.04 t ha-1) and control treatment (7.05 t ha-1). These results suggest that co-application of urea with NP and GA3 has the potential to enhance wheat yield in semi-arid area of Iran.</p>

scholarly journals Effects of cropping system and varieties on the rice growth and yield in acid sulphate soils of tidal swampland

2021 ◽  
Vol 6 (3) ◽  
pp. 163
Author(s):  
Izhar Khairullah ◽  
Wahida Annisa ◽  
Herman Subagio ◽  
Hendri Sosiawan
Keyword(s):  
Grain Yield ◽  
Cropping Systems ◽  
Cropping System ◽  
Growth And Yield ◽  
Critical Function ◽  
Acid Sulphate ◽  
Rice Growth ◽  
Acid Sulphate Soils ◽  
Rice Yields ◽  
Main Plot

Swampland plays a critical function in agriculture, specifically in growing rice production. The study aimed to determine the effects of cropping systems and varieties on the rice growth and yield in acid sulfate soil of tidal swampland. The experiment was conducted in a potential acid sulphate soils in Kapuas Regency, Central Kalimantan Province. The experiment was arranged in a split plot design with three replications. The main plot consisted of three HYV’s of rice, namely Inpara 8, Inpari 32, and Margasari. The subplot consisted of five cropping systems, namely, Jarwo 2:1A, Jarwo 2:1B, Jarwo 2:1C, Hazton, and Tegel.  The plot size was 4 m x 5 m. The variables observed included initial soil properties, plant growth, and yield components. The jajar legowo cropping system in this study was not able to increase rice yields in acid sulphate soil.  There was an interaction effect of cropping systems and varieties on the plant height and number of tillers at vegetative phase. At generative and pre-harvest phases, there was significant single effect of variety and cropping system in the planting height and number of tillers, respectively. Both cropping system and variety significantly affected the number of panicles per hill, while panicle length, grain per panicle and grain yield were only affected by variety.  There was no significant effect of both factors on the number of filled grains per panicle.  Inpara 8 variety achieved the highest grain yield, which was 6.78 ton.ha-1 or equivalent to 4.34 ton.ha-1 of 14 % water content. 

scholarly journals Effects of spacings and butachlor levels on weed control, growth and yield of NERICA 1 rice (Oryza sativa L. x Oryza glaberrima L.)

2017 ◽  
Vol 62 (4) ◽  
pp. 361-369
Author(s):  
Hassan Kasim ◽  
Ibrahim Musa ◽  
Mustapha Muhamman
Keyword(s):  
Oryza Sativa ◽  
Grain Yield ◽  
Weed Control ◽  
Crop Production ◽  
Field Experiments ◽  
Oryza Sativa L ◽  
Growth And Yield ◽  
Oryza Glaberrima ◽  
Control Growth ◽  
Main Plot

Poor agronomic practices coupled with herbicide mismanagement influence crop performance, yield, weed infestation and environmental hazards. Thus, field experiments were carried out to investigate the effect of spacing and reduced levels of butachlor on weed control and yield of NERICA 1 rice (Oryza sativa L. x Oryza glaberrima L). The experiments were conducted in the 2011 rainy season at the Teaching and Research Farm of the Department of Crop Production and Horticulture, Modibbo Adama University of Technology, Yola, and Lake Gerio, Yola in the 2012 dry season. Yola is located between latitude 9o14? N and longitude 12o28? E in the Northern Guinea Savanna ecological zone of Nigeria. Treatments consisted of four spacings (20 cm x 20 cm, etc.) and four butachlor levels (3, 2, 1, and 0 kg ha-1 a.i.). The experiments were laid out in a split-plot design with spacings assigned to the main plot and butachlor levels assigned to the sub-plot and were replicated three times. Data were taken on percentage establishment, number of leaves per plant, general weed cover, panicle length and grain yield per hectare. Data generated were subjected to analysis of variance. Means showing a significant F-test were separated using LSD. Results obtained showed that butachlor at 1 kg ha-1 and 14 cm x 14 cm spacing gave the highest grain yield of 1441 kg ha-1 and maximum weed control. They are, therefore, recommended for adoption by farmers in Yola and similar environments.

scholarly journals Growth and Yield Performances of Wheat Genotypes under Restricted Irrigation in Eastern Sub-Himalayan Plains

2021 ◽  
Author(s):  
Jince Mary M. Joy ◽  
Biplab Mitra ◽  
A.K. Singha Roy
Keyword(s):  
Grain Yield ◽  
Yield Components ◽  
Significant Variation ◽  
Crop Production ◽  
Tiller Number ◽  
Growth And Yield ◽  
Rabi Season ◽  
Wheat Genotypes ◽  
Different Levels ◽  
Plot Design

Background: Water scarcity is one of the major problems faced by farmers for crop production. Productivity and sustainability of a crop like wheat which is highly susceptible to water stress could be affected the most. Identifying and growing such varieties of wheat which could thrive under restricted irrigation could solve the problem. The current study aimed to evaluate the performance of certain new wheat genotypes under restricted irrigation.Methods: A field experiment was conducted in eastern sub-Himalayan plains during Rabi season, 2016-2017 to evaluate the performance of certain wheat genotypes under restricted irrigation. The experiment was laid out in a split plot design with three different levels of irrigation, viz., no irrigation, one irrigation at CRI stage, two irrigations at CRI and booting stage, randomly allotted in main plots; while six genotypes comprising HI 1612, HD 2888, C 306, K 8027, HD 3171 and K 1317 were randomly allocated in sub plots.Result: It was observed that with increase in number of irrigation, the overall biomass production increased irrespective of genotypes. The highest biomass (7.38 t ha-1) was achieved in plots where two irrigations were given. Higher leaf area with increased plant height and tiller number as well as higher values of major yield components viz., number of spikes m-2 and number of filled grain spike-1 were also achieved in plots receiving two irrigations. The twice irrigated plot also exhibited higher yields (3.02 t ha-1) as compared to once irrigated plot. With increase in number of irrigation the grain yield increased significantly. Among the genotypes, HI 1612 reflected the maximum grain yield (2.76 t ha-1) under restricted irrigation though there was no significant variation in grain yield achieved with the other 5 genotypes except HD 3171.

scholarly journals Calibration and Validation of the DSSAT Model with Experimental Data for Three Varieties of Wheat on Different Planting Dates

2019 ◽  
pp. 114-127
Author(s):  
Jalal Ahmed Elgadi
Keyword(s):  
Grain Yield ◽  
Triticum Turgidum ◽  
Agricultural Research ◽  
Planting Date ◽  
Growth And Yield ◽  
Unit Weight ◽  
Research Station ◽  
Good Prediction ◽  
Dssat Model ◽  
Grain Unit

The Crop Simulation Model (CERES-wheat module) of the Decision Support System for Agrotechnolgy Transfer (DSSAT) was used in this study to simulate the effect of planting date (D) on growth, development and yield of three varieties of durum wheat (Triticum turgidum L subsp. durum). The studied varieties were Cham1 (V1), Deir Alla6 (V2) and Haurani (V3). Data were obtained from a field experiment conducted for this purpose on the growing season 2015/2016 at Mushagger Agricultural Research Station Southwest Amman (31° 46' 24.7'' N, 35° 47' 47.3'' E, 800 m above sea level). First planting date (D1) was used for model calibration and the GenCalc software was applied to achieve acceptable genetic coefficient values. Calibration results showed an excellent estimation for days to anthesis, number of grains m-2, grain yield and days to physiological maturity with normalized root mean square error (nRMSE) ranged from 0 to 5.79%. Tops weight, harvest index, unit grain weight (except for V3) and number of tillers m-2 were poorly simulated. Validation of the CERES-Wheat model of the DSSAT using means of observed results of D2 and D3 showed excellent simulation (nRMSE < 10%) for anthesis and maturity dates for the three examined varieties. Good prediction (10 ≤ nRMSE < 20%) were attained for grain yield (for V2 and V3) and for grain nitrogen percent (except for V3 which was excellent). Fair predictions (20 ≤ nRMSE < 30%) were recorded for grain unit weight of (V1 and V2) and tops weight of V1. Conversely, grain unit weight was poorly simulated for V3. From these results, it can be concluded that the DSSAT model can be considered as an effective tool for predicting wheat growth and yield.

Growth and Yield of Hybrid Castor (Ricinus communis L.) under Different Spacing during Rabi Season in Tamil Nadu

2017 ◽  
Vol 104 (4 - 6) ◽  
Author(s):  
Senthil Kumar G ◽  
◽  
Venkatachalam S R ◽  
Keyword(s):  
Seed Yield ◽  
Tamil Nadu ◽  
Ricinus Communis ◽  
Gray Mold ◽  
Growth And Yield ◽  
Research Station ◽  
Rabi Season ◽  
Ricinus Communis L ◽  
Main Plot ◽  
Cool Dry Season

A field experiment was conducted at Tapioca and Castor Research Station, Yethapur, Salem district, Tamil Nadu during the year 2012 – 2014. The following treatments were imposed and replicated thrice in split plot design. In main plot, different hybrids viz., YRCH 1(M1 ), GCH 4 (M2 ), DCH 519 (M3 ) and DCH 177 (M4 ) and in sub plot, different spacing viz., 90 x 90 cm (S1 ), 120 x 90 cm (S2 ) and 120 x 120 cm (S3 ) were evaluated during rabi season under irrigated condition. The results revealed that, castor crop grown well during Rabi season under irrigated condition. It is mainly due to the reason that, in Rabi sown crop there is no incidence of Botrytis gray mold disease and also cool dry season promotes seed setting in castor which results higher seed yield was obtained. Hybrids performed better in wider spacing because, they produce more number of spikes and effective spike length in castor. This is mainly due to in wider spacing, there is lesser competition between the plants. In the nutshell, hybrid YRCH 1 with a spacing of 120 x 120 cm recorded 19 per cent higher seed yield (2572 kg ha-1) than closer spacing of 90 x 90 cm (2157 kg ha-1) under irrigated condition

The effect of time of sowing on yield of mungbean (Vigna radiata) varieties in coastal New South Wales

1980 ◽  
Vol 20 (106) ◽  
pp. 602
Author(s):  
PGE Searle ◽  
A Thirathon ◽  
MJT Norman
Keyword(s):  
Grain Yield ◽  
Vigna Radiata ◽  
New South ◽  
New South Wales ◽  
Growth And Yield ◽  
Forage Crop ◽  
South Wales ◽  
Main Plot ◽  
A Current ◽  
Block Experiment

The effect of time of sowing on the growth and yield of mungbean varieties (Vigna radiata var. aureus) was examined during summer in a warm humid coastal climate at Camden, New South Wales (latitude 34�s). Four varieties, Pusa Baisakhi, Berken, S8, and M4 were grown in a split-plot randomized complete block experiment with six replicates. Main plot treatments were three times of sowing (October 28, December 8 and January 19); varieties were on sub-plots. Berken, a current commercial cultivar, attained the highest grain yield, at the October sowing, of 1.5 t ha-1 in 97 days from sowing. S8 attained a yield of 1.4 t ha-1 at the October sowing in 103 days, but was susceptible to lodging, disease and pest attack. Pusa reached its highest grain yield (1.1 t ha-1) at the December sowing in 91 days. Although the grain yield of M4 was the lowest, its top dry matter yield of 5.1 t ha-1 at the December sowing indicates its promise as a forage crop.

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