scholarly journals Soybean responses to nutrients deficiency, and the possibility of detecting this deficiency using chlorophyll fluorescence technique

2021 ◽  
Author(s):  
Elham Latifinia ◽  
Hamid Reza Eisvand
Keyword(s):  
Chlorophyll Fluorescence ◽  
Humic Acid ◽  
Grain Yield ◽  
Negative Correlation ◽  
Block Design ◽  
Significant Negative Correlation ◽  
Fertilizer Application ◽  
Soybean Plant ◽  
Fluorescence Technique ◽  
Nitrogen Fixing

Abstract Aims Managing plant nutrition is a key factor to getting optimum yield quantity and quality. Soybean is an important plant as an oil and protein producer crop as well as a biological nitrogen fixing plant. The aims of current work were studying soybean's responses to some macro and micronutrients deficiency stress as well as the possibility of diagnosing this deficiency using chlorophyll fluorescence technique.Methods The two-year field experiment during 2019 and 2020 growth seasons were conducted based on a randomized complete block design with three replications. Treatments were use and non-use of N, P, Fe, and Mo, accompanied with and without humic acid. N and P were applied in the soil, but Fe, Mo, and humic acid were foliar applied at the final vegetative growth stage. Results Results showed that the effect of fertilizer treatments was significant on all traits. N-P-Fe-Mo improved grain yield and photosynthesis rate, but their application accompanied with humic acid induced a synergistic effect, and the maximum grain yield and photosynthesis were recorded in the N-P-Fe-Mo + HA. Fertilizer application decreased F0 and Fm and increased Fv/Fm. Besides, there was a significant negative correlation between leaf's N, P, Fe, and Mo content with Fm; meanwhile, the negative correlation between leaf's nitrogen and Fm was stronger than the other applied nutrients (r=-0.767). Conclusions Research findings show that, it is possible to use the chlorophyll fluorescence technique as a valid non-destructive physiological indicator and a quick way to monitor the nutritional status of soybean plant about N-P-Fe-Mo to timely fertilizing. Although soybean is a nitrogen fixing plant, but it needs complementary N fertilizer to achieve maximum PSII efficiency, minimum chlorophyll fluorescence, and optimal yield.

scholarly journals Nutrient uptake, use efficiency and productivity of bread wheat (Triticum aestivum L.) as affected by nitrogen and potassium fertilizer in Keddida Gamela Woreda, Southern Ethiopia

2021 ◽  
Vol 10 (1) ◽  
Author(s):  
Temesgen Godebo ◽  
Fanuel Laekemariam ◽  
Gobeze Loha
Keyword(s):  
Triticum Aestivum ◽  
Grain Yield ◽  
Nutrient Uptake ◽  
Bread Wheat ◽  
Block Design ◽  
N Uptake ◽  
Fertilizer Application ◽  
Southern Ethiopia ◽  
K Fertilizer ◽  
Use Efficiency

AbstractBread wheat (Triticum aestivum L.) is one of the most important cereal crops in Ethiopia. The productivity of wheat is markedly constrained by nutrient depletion and inadequate fertilizer application. The experiment was conducted to study the effect of nitrogen (N) and potassium (K) fertilizer rates on growth, yield, nutrient uptake and use efficiency during 2019 cropping season on Kedida Gamela Woreda, Kembata Tembaro Zone Southern Ethiopia. Factorial combinations of four rates of N (0, 23, 46 and 69 kg Nha−1) and three rates of K2O (0, 30 and 60 kg Nha−1) in the form of urea (46–0-0) and murate of potash (KCl) (0-0-60) respectively, were laid out in a randomized complete block design with three replications. The results showed that most parameters viz yield, yield components, N uptake and use efficiency revealed significant differences (P < 0.05) due to interaction effects of N and K. Fertilizer application at the rate of 46 N and 30 kg K ha−1 resulted in high grain yield of 4392 kg ha− 1 and the lowest 1041 from control. The highest agronomic efficiency of N (52.5) obtained from the application of 46 kg N ha−1. Maximum physiological efficiency of N (86.6 kg kg−1) and use efficiency of K (58.6%) was recorded from the interaction of 46 and 30 kg K ha−1. Hence, it could be concluded that applying 46 and 30 kg K ha−1was resulted in high grain yield and economic return to wheat growing farmers of the area. Yet, in order to draw sound conclusion, repeating the experiment in over seasons and locations is recommended.

scholarly journals Associations Between Different Soil Management Practices, Soil Fauna and Maize Yield

2018 ◽  
Vol 10 (9) ◽  
pp. 333 ◽  
Author(s):  
Ana Luiza Privado Martins ◽  
Glécio Machado Siqueira ◽  
Emanoel Gomes de Moura ◽  
Raimunda Alves Silva ◽  
Anágila Janenis Cardoso Silva ◽  
...  
Keyword(s):  
Humic Acid ◽  
Grain Yield ◽  
Management Practices ◽  
Soil Fauna ◽  
Block Design ◽  
Soil Management ◽  
Maize Yield ◽  
Maize Grain Yield ◽  
Wiener Diversity Index ◽  
Maize Grain

Soil fauna play an important role in ecosystems, and in this context, it is important to better understand how the abiotic and biotic drivers of these organisms interact. We hypothesize that soil fauna are affected by different soil management practices, which has an influence on maize grain yields. The aim of this study was to evaluate the structure of soil fauna under different soil management practices and their associations with maize grain yield. The experiment was conducted in Maranhão, Brazil, in an area divided into 24 plots of 4 × 10 m in a randomized block design with six treatments with four replicates (R). Pitfall traps were placed in the area. The treatments were Leucaena leucocephala-Leucaena (L), nitrogen (N), humic acid + nitrogen (HA + N), nitrogen + Leucaena (N + L), humic acid + Leucaena (HA + L) and humic acid + nitrogen + Leucaena (HA + N + L). The soil fauna dominance, abundance, richness, Shannon-Wiener diversity index, Pielou evenness index and maize grain yield were determined. Formicidae was clearly affected by management with Leucaena, while Coleoptera was affected by management with nitrogen. Despite this, Isopoda and Diplura were the only groups associated with the maize yield. Although fauna abundance did not differ among treatments, it was related to the yield. This study confirms that the abundance and some taxa of soil fauna can influence yield and that these organisms can be used to increase agricultural sustainability.

scholarly journals Action of auxin inhibitors on growth and grain yield of soybean

Revista CERES ◽  
2013 ◽  
Vol 60 (5) ◽  
pp. 621-628 ◽  
Author(s):  
Gederson Luiz Buzzello ◽  
Michelangelo Muzell Trezzi ◽  
José Abramo Marchese ◽  
Elouize Xavier ◽  
Edemir Miotto Junior ◽  
...  
Keyword(s):  
Grain Yield ◽  
Plant Height ◽  
Negative Correlation ◽  
Block Design ◽  
Sowing Date ◽  
Growth And Yield ◽  
Fertility Level ◽  
Randomized Block Design ◽  
Soybean Genotypes ◽  
Soybean Plants

Soybean genotypes grown in sub-tropical climate may exhibit lodging. The plant lodging is influenced by soil type and fertility level, sowing date, latitude and altitude of the location, plant population and conditions of crop development. Plant regulators and herbicides are able to avoid or reduce plant lodging. This study aimed to verify the effects of the growth regulators TIBA and daminozide on vegetative growth and yield of soybean cultivar CD 214 RR. The experiment was carried out at a field in randomized block design with four replications in a factorial scheme. The A factor was represented by the combination of regulators TIBA and daminozide and its concentrations, and the Factor B was seven times of evaluation of injury and plant height or eight times of evaluation of lodging. In the range of doses used, the application of daminozide resulted in greater injury to soybean plants than TIBA. The smaller plant height was achieved by the application of 6 g ha-1 of TIBA and 1200 g ha-¹ of daminozide. Treatments with daminozide (100 g ha-¹) and TIBA (10 g ha-1) stood out due to the reduced lodging of soybean plants. Grain weight increased linearly when the levels of TIBA increased. There was a negative correlation between lodging and grain yield and a positive correlation between plant height and lodging. There was also a negative correlation between injury caused by the application of plant regulators and lodging.

scholarly journals Effect of soybean plant phenols and flavonoid on the mean leaf area consumed by Spodopteralitura and Spilosoma obliqua larvae

2016 ◽  
Vol 8 (4) ◽  
pp. 1931-1936
Author(s):  
Anchala Nautiyal ◽  
Neeta Gaur ◽  
Kamendra Singh ◽  
Preeti Sharma
Keyword(s):  
Leaf Area ◽  
Negative Correlation ◽  
Phenolic Content ◽  
Significant Negative Correlation ◽  
Correlation Study ◽  
Soybean Plant ◽  
Phenol Content ◽  
Flavonoid Content ◽  
Plant Phenols ◽  
The Mean

The aim of the present investigation was to study the effect of soybean plant phenols and flavonoid content on the mean leaf area consumed by Spodopteralitura and Spilosoma obliqua larva. Phenols and flavonoid content in methanolic leaf extract of thirty three genotypes of soybean were determined by spectrophotometrically. Thehighest and lowest phenolic content were found in genotypes JS-20-41(2.2±0.073 mg/g) and CSB 904 (0.45 ±0.11 mg/g), respectively. While the highest and lowest flavonoid content was found in genotypes SL 979 4.686± 0.062 mg QE/ g, respectively. In correlation study a highly significant negative correlation was observed between mean leaf area consumed (cm2) by S. litura, phenol content (-0.741 ) and flavonoid content (-0.737) similarly a highly significant negative correlation was observed between mean leaf area consumed by S. obliqua, phenol content (-0.728) and flavonoid content (-0.736) in leaves. Hence it can be concluded that, the genotypes which were having higher phenol and flavonoid content in their leaves offered resistance against S. litura and S. boliqua in soybean.

scholarly journals Interference of Volunteer Corn on Soybean Grown under Cerrado Conditions

2019 ◽  
Vol 37 ◽  
Author(s):  
L.B.P. BRAZ ◽  
G.B.P. BRAZ ◽  
S.O. PROCÓPIO ◽  
C.J.B. FERREIRA ◽  
A.G. SILVA ◽  
...  
Keyword(s):  
Grain Yield ◽  
Plant Height ◽  
Dry Matter ◽  
Block Design ◽  
Grain Weight ◽  
Soybean Plant ◽  
Corn Hybrids ◽  
Soybean Cultivars ◽  
Volunteer Corn ◽  
Corn Plants

ABSTRACT: The presence of volunteer corn plants in coexistence with soybean has been increasing since the introduction of glyphosate-resistant corn hybrids. This study aimed to evaluate the effect of interference of volunteer RR® corn plants at different densities on two RR® soybean cultivars. The experiment was conducted in Rio Verde, GO. The experimental design was a randomized block design in a factorial arrangement (2×5), with four replications. Factor A consisted of two soybean cultivars (BMX Potência RR® and M8210 IPRO®), while five densities of RR® corn plants per m2 (0, 4, 8, 12, and 16) were adopted for factor B. The following evaluations were carried out for soybean: plant height, SPAD index, percentage of interrow closure, shoot dry matter, first pod height, number of pods per plant, 100 grain weight, and grain yield of grains. Soybean plant height presented a linear and positive relationship with the increased density of corn plants. Shoot dry matter, 100 grain weight, number of pods per plant, and grain yield were negatively affected by the increased density of volunteer corn infestation. The soybean cultivar M8210 IPRO® was more susceptible to corn plant interference when compared to the cultivar BMX Potência RR®.

scholarly journals Prunning technique and foliar fertilizer application to improve yield of pecco in fourth prunning year of tea plant

2016 ◽  
Vol 19 (1) ◽  
Author(s):  
Muthia Syafika Haq ◽  
Adhi Irianto Mastur ◽  
Dr H Karyudi
Keyword(s):  
Humic Acid ◽  
Block Design ◽  
Fertilizer Application ◽  
Tea Plant ◽  
The Other ◽  
Foliar Fertilizer ◽  
Randomized Block Design ◽  
Tea Production ◽  
Field Area ◽  
Better Than

Effect of prunning technique and foliar fertilizer application had been conducted to improve yield of pecco in the Research Institute for Tea and Cinchona experiment station, Gambung, Indonesia with altitude of 1.350 m above sea level, and with andysol soil type. The experiment was held from July to October 2015 in tea production field area containing 480 plants. The clone was GMB 7and was in the fourth prunning year, interval of plucking pecco was seven days. The experiment was arranged in a randomized block design with four treatments, replicated six times. Foliar fertilizer application was performed following every plucking. The results indicated that breaking apical dominance of tea short by 5 cm–10 cm of prunning above plucking table combined with foliar fertilizer application of N 1% and ZnSo<sub>4</sub> 2% + 0,1% of humic acid, could increase weight of pecco per plot in the first nine weeks of the prunning. This treatment was better than the other three. But the percentage of pecco shoots was low, lower than 50%, the weight of one pecco was also very low 0,7 g, indicating that the treatment of harvesting pecco in the fourth prunning year was not recomended to be practiced in improving yield of pecco.

scholarly journals On-farm Verification of Potassium Fertilization for Major Cereal Crops under Balanced Fertilizers in North Shew Zone of Amhara Region, Ethiopia

2019 ◽  
Author(s):  
Kenzemed Kassie ◽  
Beza Shewangizaw ◽  
Getachew Lema ◽  
Lisanu Getaneh ◽  
Genet Taye ◽  
...  
Keyword(s):  
Grain Yield ◽  
Block Design ◽  
Fertilizer Application ◽  
Cereal Crops ◽  
Available Phosphorus ◽  
Specific Recommendation ◽  
Potassium Fertilizer ◽  
Amhara Region ◽  
Nitrogen And Phosphorus ◽  
Sorghum Grain

Abstract The present study was conducted to investigate the response of major cereal crops to application of potassium with balanced fertilizers as well as to validate newly released soil fertility map of Amhara Region. A field experiment was carried out with different districts of North Shewa of Amhara region: Kewet (Sorghum), Basona warana (Food Barley) Moretena jiru and Mojana wedera (Bread wheat. A randomized complete block design was used, with three replications. The treatments were consisted of NPS, NPS+K, NPSBZn, and NPSBZn+K. The required amount of nitrogen and phosphorus were adjusted to crop and site specific recommendation. The rate of K was 150 kg ha-1 K2O and applied as a straight fertilizer at planting in the form of potassium chloride (KCl).The highest grain yield of sorghum (4301.9 kg ha-1) was recorded under the treatment of NPSBZn and followed by NPS fertilizer application respectively, while lower grain yields (3017.7 and 3186.9 kg ha-1) were recorded under the treatments of NPSBZn and NPS with potassium fertilizer application. Even though statically insignificance both NPS and NPSBZn, application of NPSBZn had gave 5.3% of sorghum grain yield advantage as compared to sole NPS and N fertilizer application. The highest grain yield of barley (4411 kg ha-1) also was recorded under the treatment of NPS and followed by NPS+K respectively, while lower grain yield (3960.6 kg ha-1) was recorded under the treatments of NPSBZn. Grain yield of bread also showed similar trend as grain yield of food barley at Moretena jiru and Mojana wedera districts. Generally the results of this experiment did not showed agronomical viable options due to utilization of potassium with recommended NP nutrient sources and micronutrients. The soil was deficient in organic matter, total nitrogen, and available phosphorus and adequate in available potassium. Thus it can be concluded that potassium is not a yield limiting nutrient but soil nitrogen and phosphorus management need especial attention.

scholarly journals Effect of Different Doses of Urea on the Yield of Boro Rice Varieties in Haor Areas of Bangladesh

2019 ◽  
pp. 1-9
Author(s):  
Mahmudul Karim ◽  
Md. Abul Kashem ◽  
Azmul Huda ◽  
Md. Abdul Aziz ◽  
Bani Krishna Goswami
Keyword(s):  
Grain Yield ◽  
Plant Height ◽  
Block Design ◽  
Growth Yield ◽  
Fertilizer Application ◽  
Higher Plant ◽  
Rice Varieties ◽  
Urea Fertilizer ◽  
Two Factors ◽  
Boro Rice

The experiment was carried out at Sunamganj district during November 2016 to May 2017 to observed the effect of urea fertilizer on the yield of boro rice varieties in haor areas of Bangladesh. Two factors experiment viz. Varieties BRRI dhan29 and BRRI dhan58; and six urea fertilizer levels including: 340 (F1), 320 (F2), 300 (F3), 280 (F4), 260 (F5), and 165 kg ha-1 (F6) [Farmer’s practice (FP)] were used. In case of F1-F5, the MoP-TSP-CaS04-ZnS04 as 127-112-75-11 kg ha-1 were used while Farmers’ practice (FP) was done with only 82 kg ha-1 TSP. The experiment was laid out in two factors randomized complete block design (RCBD) with three farmers’ replications. Data were collected on growth, yield and yield contributing characters of boro rice. Plant height varied at harvest stage in relation to variety and fertilizer. The tillers production hill-1 varied at harvest in case of variety and urea application. Higher plant height was found in BRRI dhan58 (93.9 cm) in comparison to BRRI dhan29 (90.3 cm). Plant height was also influenced due to urea fertilizers application. The higher tillers hill-1 (15.9), effective tillers hill-1 (12.3) and longer panicle length (21.1 cm) were produced by BRRI dhan58 at harvest compared to BRRI dhan29. The longest panicle (21.4 cm) was produced in the treatment F3 (300 kg urea ha-1). Higher number of sterile spikelets panicle-1 (58.5) and 1000-grain weight (23.2 g) was produced by BRRI dhan58. Higher number of grains panicle-1 (137.5) was produced by BRRI dhan29. The highest grain yield (6.7 t ha-1) and straw yield (7.91 t ha-1) were obtained in the treatment F3 (300 kg urea ha-1). The experimental soil analyses showed that the nutrient contents in post-harvest soils were higher compared to initial soil due to balanced fertilizer application. It is concluded that 300 kg urea ha-1 promoted highest grain yield.

scholarly journals Enhancing rice yield in acidic soil through liming and fertilizer management

2018 ◽  
Vol 16 (3) ◽  
pp. 357-365
Author(s):  
Syeda Ariana Ferdous ◽  
Mohammad Noor Hossain Miah ◽  
Mozammel Hoque ◽  
Sazzad Hossain ◽  
Ahmed Khairul Hasan
Keyword(s):  
Grain Yield ◽  
Crop Production ◽  
Growth Parameters ◽  
Block Design ◽  
Fertilizer Application ◽  
Chemical Fertilizer ◽  
Acidic Soil ◽  
Growth And Yield ◽  
Treatment Combination ◽  
Four Levels

The effect of lime and fertilizer application, as the management of soil acidity, on the growth and yield of rice cv. BRRI dhan50 was investigated during Aman rice season at the Agronomy Field Laboratory of Sylhet Agricultural University, Bangladesh. The experiment was consisted of two factors namely lime and fertilizer. There were four levels of lime (0, 0.50, 1.00, and 1.50 t ha–1 of CaCO3.MgCO3) and three levels of fertilizers (control, FYM @ 10 t ha–1, and chemical fertilizer @ 100-30-42-4-3-0.4 kg ha–1 of N-P-K-Ca-S-Zn). The experiment was laid out in a randomized complete block design with three replications where the unit plot size was 4.0 m x 2.5 m. Growth parameters, yield components and yield of BRRIdhan 50 rice increased with increasing lime rate in association of fertilizer in acidic soil. The highest grain yield (2.90 t ha–1) was recorded from the application of 1.50 t ha–1 lime and the lowest (2.06 t ha–1) was from control (0t ha–1), irrespective of fertilizer. On the other hand, the best effect of fertilizers on grain yield (3.08 t ha–1) was found with the application of FYM @ 10 t ha–1 and the lowest yield (1.59 t ha–1) was in control. The treatment combination of lime 1.50 t ha–1 and FYM (@ 10 t ha–1 produced the highest grain yield (3.60 t ha–1), which was followed by treatment combination of lime 1.50 t ha–1 and chemical fertilizer @ 100-30-42-4-3-0.4 kg ha–1 of N-P-K-Ca-S-Zn (3.28 t ha–1). Additionally, application of lime and FYM improved the soil fertility and properties of acidic soil for crop production by increasing the pH, organic matter and availability of some essential nutrients. From the study, it was indicated that both FYM and lime could affect to enhance the grain yield of rice in acidic soil. J. Bangladesh Agril. Univ. 16(3): 357–365, December 2018

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