scholarly journals Effect of Nitrogen and Phosphorus on the Growth and Seed Yield of Spinach

2019 ◽  
pp. 1-9
Author(s):  
Md. Rafiqul Islam ◽  
Khaleda Khatun ◽  
Tahmina Mostarin ◽  
Md. Ehsanul Haq ◽  
Md. Nahidul Islam ◽  
...  
Keyword(s):  
Seed Yield ◽  
Economic Benefit ◽  
Block Design ◽  
Mutual Effect ◽  
Germination Percentage ◽  
Seed Vigor ◽  
Cost Ratio ◽  
Nitrogen And Phosphorus ◽  
Economic Point ◽  
Four Levels

The experiment was conducted at the farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh during Rabi (November 2017 to March 2018) season to find out the growth, yield and economic benefit of spinach seed as influenced by nitrogen and phosphorus. The research involved two factors. Factor A: Four levels of nitrogen; N0= 0 kg/ha N1= 27.6 kg/ha, N2=55.2 kg/ha, N3= 82.8 kg/ha, and factor B: Four levels of phosphorus; P0= 0 kg/ha; P1 = 15.84 kg/ha, P2= 31.68 kg/ha, P3= 47.52 kg/ha. There were 16 treatment combinations in the experiment and laid out in Randomized Complete Block Design (RCBD) with three replications. Quality tests of seeds were done based on the germination test (%), seed vigor test (Electrical conductivity). In case of nitrogen, the highest seed yield (1.10 t ha-1), germination percentage (87.33%) and lowest value in EC test (11.87 dS/cm) were obtained from N2, while the lowest seed yield (0.81 t ha-1), germination percentage (79.33%) and highest value in EC test ( 13.87 dS/cm) from N0. For phosphorus levels, the highest seed yield (1.05 t ha-1), germination percentage (86.58 % and) and lowest value in EC test (11.79 dS/cm) were recorded from P2, whereas the lowest seed yield (0.84 t ha-1), germination percentage (79.91%) and highest value in EC test (13.35 dS/cm) from P0. Due to mutual effect, the highest seed yield (1.30 t ha-1), germination percentage (91.33%) and lowest value in EC test (10.2 dS/cm) were noted from N2P2, whereas the lowest seed yield (0.69 t ha-1), germination percentage (72.66%) and highest value in EC test (14.83 dS/cm) from N0P0. From the economic point of view, the highest Benefit-Cost Ratio (BCR) (1.59) was found in the treatment of N2P2 and the lowest BCR (1.01) was found in the treatment of N0P0. It is apparent that the treatment combination N2P2 gave the best performance for the seed yield and economic benefit of spinach.

scholarly journals Influence Mf Nitrogen and Phosphorus on Yield and Seed Quality of French Bean

2016 ◽  
Vol 18 (2) ◽  
pp. 1-8
Author(s):  
SS Kakon ◽  
Md SU Bhuiyan ◽  
SMA Hossain
Keyword(s):  
Seed Yield ◽  
Seed Quality ◽  
Agricultural Research ◽  
Block Design ◽  
Winter Season ◽  
Germination Percentage ◽  
French Bean ◽  
Research Field ◽  
Nitrogen And Phosphorus

The experiment was conducted at the research field of Agronomy Division, Bangladesh Agricultural Research Institute (BARI), Joydebpur, Gazipur during Rabi (winter) season of 2010-11 to 2011-12 to determine the optimum rate of nitrogen and phosphorus fertilizer on yield and seed quality of French bean. A randomized complete block design was followed with ten treatment combinations such as N0P0, N0 P44, N50 P44, N100 P44, N150 P44, N200 P44, N150P0, N150P22, N150P33 and N150P55. Number of pods and yield of French bean were significantly increased with the increase in N (150) and P (44) kg ha--1. Averaged over the years, maximum number of pod (9.45 plant-1) and seed yield (1563.33 kg ha-1) were obtained when N and P were applied at the rate of 150 and 44 kg ha-1, respectively while lowest yield to N0P0 treatment in both the years. The treatment (N150P44 kg ha-1) gave the highest seed yield which was 51.4 and 54.30% higher than the control. Quality in terms of germination percentage and vigour index of harvested seed was also significantly influenced by higher doses of N and P while the lowest seed quality from plants that received no fertilizer in both the years.Bangladesh Agron. J. 2015, 18(2): 1-8

Effect of different levels of nitrogen and phosphorus on the forage and seed yield of ryegrass (Lolium perenne L.)

2005 ◽  
Vol 53 (3) ◽  
pp. 353-356
Author(s):  
◽  
Keyword(s):  
Seed Production ◽  
Lolium Perenne ◽  
Seed Yield ◽  
Dry Matter ◽  
Block Design ◽  
Nitrogen And Phosphorus ◽  
Randomized Block Design ◽  
Green Fodder ◽  
The Mean ◽  
Four Levels

Studies were made on the fodder and seed production of ryegrass (Lolium perenne L.) using twelve treatment combinations with four levels of nitrogen (30, 60, 90 and 120 kg/ha/cut) and three levels of phosphorus (0, 50 and 100 kg P2O5/ha), laid out in a randomized block design with four replications. The mean of two years indicated that nitrogen at 120 kg/ha/cut increased the green fodder (834 q/ha) and dry matter yield (129 q/ha) significantly over the lower doses. After leaving the same crop for seed production during mid-March, nitrogen at the rate of 60 kg/ha gave the highest seed yield (7.61 q/ha). Beyond this dose the seed yield decreased drastically due to lodging. Phosphorus at the rate of 50 kg P2O5/ha gave 5% higher dry matter (99.6 q/ha) and 7.4% higher seed yield (7.26 q/ha) over the control.

scholarly journals Effect of potassium and zinc on growth, yield and economics of sweet potato (Ipomoea batatas L.) cv. CO-34

2017 ◽  
Vol 9 (1) ◽  
pp. 291-297
Author(s):  
Pravin Singh ◽  
Kavita Aravindakshan ◽  
I. B. Maurya ◽  
Jitendra Singh ◽  
Bhim Singh ◽  
...  
Keyword(s):  
Sweet Potato ◽  
Ipomoea Batatas ◽  
Tuber Yield ◽  
Foliar Application ◽  
Block Design ◽  
Maximum Yield ◽  
Growth Yield ◽  
Cost Ratio ◽  
Average Weight ◽  
Four Levels

A field experiment was conducted to study the effect of different levels of potassium and zinc on growth, yield and economics of sweet potato. The experiment was laid out on clay and loam soil by adopting randomized block design with factorial technique (FRBD). The sixteen treatments consisted of combination of four levels of po-tassium (0, 80, 100 and 120 kg/ha through muriate of potash and four levels of foliar zinc (control i.e. water spray, 10, 20 and 30ppm) through zinc sulphate. The individual application of potassium 120 kg K2O/ha significantly in-creased the number of tubers per plant (4.60), average weight of tuber (275.31 g), length of tuber (16.77 cm), diam-eter of tuber (5.69 cm), tuber yield per plot (9.71 kg), tuber yield per hectare (49.04 t) respectively as compared to control. With the foliar application of zinc (30 ppm) significant increase in number of tubers per plant (4.18), average weight of tuber (234.73 g), length of tuber (18.12 cm), diameter of tuber (5.16 cm), tuber yield per plot (8.33 kg) and tuber yield per hectare (42.05 t) was recordedas compared to control. The treatment combination (120 kg K2O+30ppm Zn) recorded the maximum yield parameters i.e. chlorophyll content (37.00 mg/100 g), average weight of tuber (302.17 g), length of tuber (19.82 cm), diameter of tuber (5.97 cm), maximum tuber yield per plot (11.02 kg), tuber yield per hectare (55.67 t) and benefit-cost ratio (B: C ratio) of 4.22:1.While, the treatment (120 kg K2O+30ppm Zn) had the maximum number of tuber (4.86), minimum number of tuber was recorded in control. From the experi-ment, it appeared that application of potassium and zinc can be used to improve yield and higher net monetary re-turns of sweet potato.

scholarly journals Effect of Iron on Yield of Corn (Zea mays L.) in Drought Stress

2019 ◽  
Vol 52 (1) ◽  
pp. 34-43
Author(s):  
K. Rafsanjani ◽  
A. Madani ◽  
F. Vazin
Keyword(s):  
Drought Stress ◽  
Seed Yield ◽  
Arid Regions ◽  
Block Design ◽  
Control Treatment ◽  
Yield Reduction ◽  
Pan Evaporation ◽  
Randomized Complete Block Design ◽  
Four Levels ◽  
Number Of Seeds

Abstract In hot and arid regions, drought stress is considered as one of the main reasons for yield reduction. To study the effect of drought stress, iron spray on the yield and yield components of corn, an experiment was carried out during the crop seasons of 2013 on research Farm in Faizabad of Iran, as a split plot within randomized complete block design with three replications. The main plots with irrigation factor and four levels were considered: level A) 50 ml evaporation from pan evaporation; level B) 100 ml evaporation from pan evaporation; level C) 150 ml evaporation from pan evaporation and level D) 200 ml evaporation from pan evaporation. Sub plots were considered with iron spray in three levels, included level A) 80 g/ha, level B) 130 g/ha and level C) 180 g/ha. The drought stress reduced seed yield, the 1000-kernels weight (TKW), the number of seeds per ear, the number of seeds per row in ear, the number of rows per ear about 39%, 6%, 31%, 14% and 27% less than control treatment, respectively. Using iron, as compared with control treatment, causes the increase of 1000-kernels weight from 295 to 311 g and the increase of seed yield from 5188 to 7078. The results obtained from the present research showed that iron spray has fairly improved the effects caused by drought stress.

Effect of nitrogen and potassium on growth parameters of banana

2020 ◽  
Vol 26 (1) ◽  
pp. 2159-2169
Author(s):  
M. A. Islam ◽  
K. M. A. Sayeed ◽  
M. J. Alam ◽  
M. A. Rahman
Keyword(s):  
Growth Parameters ◽  
Block Design ◽  
Vital Role ◽  
Growth And Yield ◽  
Cost Ratio ◽  
Herbaceous Plant ◽  
Benefit Cost Ratio ◽  
Economic Production ◽  
Protection Technology ◽  
Four Levels

Banana (Musa spp.) is a vigorously growing, monocotyledonous herbaceous plant. Though Bangladesh is more suitable for production of banana but its productivity is very low due to a lack of improve variety, sustainable production & protection technology, soil fertility and fertilizer management. Fertilizers i.e. nitrogen and potassium are one of the most important elements that can play vital role to increase productivity of banana. Hence, the present research investigation was conducted at the Horticulture Farm of Bangladesh Agricultural University, Mymensingh during the period from November, 2016 to December, 2017 to evaluate the effect of nitrogen & potassium fertilizers on growth and yield and also find out the best combination of N & K fertilizers for economic production of banana. Four levels of Nitrogen (N1=300g Urea/plant, N2=400g Urea/plant, N3=500g Urea/plant and N4=600g Urea/plant) and four potassium (K1=250g MOP/plant, K2=350g MOP/plant, K3=450g MOP/plant, K4=550g MOP/plant) were studied in a randomized complete block design (RCBD) with three replications. The results revealed that the single application of N3=500g Urea/plant, K3=450g MOP/plant and their combination (N3×K3=500g urea/plant×450g MOP/plant) showed more significant increase in morpho-physiological characteristics namely pseudo-stem height (m), pseudo-stem girth (cm), number of functional leaves, total number of leaves per plant, minimum days to bunch maturity & crop duration (days) and increase in yield contributing characters viz. total number of fingers per bunch, total number of hands per bunch, bunch weight (kg/plant), yield (t/ha) and benefit cost ratio in this study. The application of these two fertilizers as single or their interaction would be the most appropriate level for getting the superior growth and yield performance of banana.

scholarly journals THE EFFECT OF PLANT GROWTH PROMOTING RHIZOBACTERIA IN REDUCING NITROGEN AND PHOSPHORUS FERTILIZERS APPLICATION IN SUGARCANE

2021 ◽  
Vol 21 (No 1) ◽  
Author(s):  
Aghajan bahadori ◽  
Mohmmad Hossein GHarineh ◽  
Abdolmahdi Bakhshandeh ◽  
Naeimeh Enayatizamir ◽  
Alireza Shafeinia
Keyword(s):  
Plant Growth ◽  
Block Design ◽  
Plant Growth Promoting Rhizobacteria ◽  
Control Treatment ◽  
Nitrogen And Phosphorus ◽  
Simultaneous Application ◽  
Phosphorus Fertilizers ◽  
Plant Growth Promoting ◽  
Growth Promoting ◽  
Four Levels

This study was performed in order to investigate the effect of Plant growth-promoting rhizobacteria in reducing nitrogen and phosphorus Fertilizers Application in Sugarcane. The field experiment of this study was in the form of Split–block design with subplots in stips with four replications and three factors, including bacterial factor at four levels (control, Enterobacter cloaca, Pseudomonas putida and a combination of two types of bacteria), nitrogen factor at three levels (50, 75 and 100% recommended nitrogen for sugarcane (and phosphorus factor at three levels (50, 75 and 100% recommended phosphorus for sugarcane), was carried out in 2016-2017crop year in DC7-10 research farm of Dehkhoda sugarcane agro-industryin Ahvaz, in the southwest of Iran, on CP73-21 sugarcane variety. According to the analysis of variance tables, simple and interaction effects of the tested treatments, in the case of quantitative traits, including stalk yield, height, diameter, stalk density, percentage of nitrogen and phosphorus of leaves, chlorophyll content, LAI and HI in sugarcane were significant at the level of 1% probability. Comparison of means showed that the application of simultaneous application of growth-promoting bacteria along with the application of 75% recommended nitrogen and phosphorus for sugarcane, compared with the control treatment (application of 100% recommended nitrogen and phosphorus for sugarcane, without the use of bacteria), Was able to succeed in these traits 96.9%, 98.1%, 95.7%, 96.3%, 100.2% ,101.9%, 91.2% and 94.8%, respectively and Provide 21/9, 23/1, 20/7, 21/3, 25, 25, 16.2 and 19.8% of the nutrients of nitrogen and phosphorus for sugarcane, respectively, and is saved the same amount of nitrogen and phosphorus consumption for sugarcane. Also, regarding the sugarcane yield, the simultaneous application treatment of the tested bacteria along with the application of 100% recommended phosphorus and nitrogen for sugarcane, Compared to the control treatment

scholarly journals Influence of nitrogen and phosphorus on the growth and yield of BRRI dhan57

2016 ◽  
Vol 3 (2) ◽  
pp. 175
Author(s):  
Mahbubul Haque Imrul ◽  
Mst. Afrose Jahan ◽  
Mominul Haque Rabin ◽  
Marjana Yeasmin ◽  
Md. Abubakar Siddik ◽  
...  
Keyword(s):  
Block Design ◽  
Growth And Yield ◽  
Treatment Combination ◽  
Experiment Data ◽  
Nitrogen And Phosphorus ◽  
Randomized Complete Block Design ◽  
Biological Yield ◽  
Four Levels ◽  
1000 Grain Weight ◽  
Time Of Harvest

The field experiment was carried out during the period from July to November, 2013 at the research farm of Sher-e-Bangla Agricultural University, Dhaka, Bangladesh to investigate the influence of nitrogen and phosphorus on the growth and yield of BRRI dhan57. The two factorial experiments were laid out in a Randomized Complete Block Design (RCBD) with three replications. Four levels of nitrogen N0: 0 kg N ha-1, N1: 90 kg N ha-1, N2: 120 kg N ha-1, N3: 150 kg N ha-1 and three levels of phosphorous P0: 0 kg P2O5 ha-1, P1: 25 kg P2O5 ha-1 and P2: 35 kg P2O5 ha-1 were used in this experiment. Data revealed that at 30 and 60 days after transplanting (DAT) and at the time of harvest the tallest plants were observed in the treatments N2 (120 kg N ha-1), P2 (35 kg P ha-1) and treatment combination N2P2 (120 kg N and 35 kg P ha-1) whereas, the treatments N0, P0 and treatment combination N0P0 (without N and P) showed the smallest plant height in each case, respectively. Side by side, N2,P2 treatments and N2P2 treatment combination gave the maximum effective tillers hill-1, highest length of panicle and the maximum filled grains panicle-1. The highest 1000 grain weight (20.85 g), grain yield (4.95 t ha-1), straw yield (5.39 t ha-1) and biological yield (10.34 t ha-1) were found in the treatment combination N2P2 and also found highest in each individual under N2 and P2 treatments.

scholarly journals Effect of Nitrogen, Phosphorus and Variety on Physiological Indices and Nutrient Composition of Livingstone Potato (Plectranthus esculentus N.E.Br.) in Gombe, Northern Guinea Savannah, Nigeria

2021 ◽  
pp. 180-188
Author(s):  
E. D. Elemi ◽  
P. O. Ukatu ◽  
G. F. Uwak ◽  
L. J. Agah
Keyword(s):  
Harvest Index ◽  
Starch Content ◽  
Block Design ◽  
High Yield ◽  
Dry Matter Accumulation ◽  
Nitrogen And Phosphorus ◽  
Genetic Trait ◽  
Physiological Indices ◽  
Four Levels ◽  
Nitrogen Phosphorus

Plectranthus esculentus N.E.Br. locally known as “rizga” is an important indigenous tuber crop in Nigeria which is currently endangered. One major factor that causes disappearance of this species, is the lower agronomic recommendations developed for growers and lack of information about nutrient contents leading to loss of interest in its cultivation. A field experiment was therefore conducted during the 2016 and 2017 rainy seasons to determine the effect of nitrogen, phosphorus and variety on physiological indices as an attempt to conserve and evaluate the potential of the crop in food security, source of income and its adaptation in the Northern Guinea Savannah of Nigeria. The experiment was laid out in a Randomized Complete Block Design (RCBD) with three replications. Treatments consisted four levels of nitrogen and phosphorus (­0, 60, 90 and 120 kg/ha), respectively and two varieties (vat Riyom and vat Loang’at). Results from analysis of variance showed that nitrogen and phosphorus applied at 90 kg/ha significantly produced higher physiological indices in both years. Beyond this rate, there was a decline in physiological indices resulting in decrease in starch content and dry matter accumulation. Harvest index indicated a positive relationship between the proportion of the biological yield and nutrient levels. Although, varietal difference was not significant on harvest index. This is an indication that HI is purely a genetic trait as affected by environmental factors. It was therefore concluded that, for high yield of livingstone potato, soils should be treated with a moderate application rate of 90 kg/ha nitrogen and phosphorus for enhanced physiological indices which are measures of growth and productivity per unit area of land in the Northern Guinea Savanna of Nigeria.

Photosynthetic attributes and seed yield of sunflower (Helianthus annuus L.) as influenced by different levels and ratios of nitrogen and phosphorus fertilizers

2003 ◽  
Vol 51 (2) ◽  
pp. 149-155 ◽  
Author(s):  
N. Thavaprakash ◽  
G. Senthilkumar ◽  
S. D. Sivakumar ◽  
M. Raju
Keyword(s):  
Leaf Area ◽  
Seed Yield ◽  
Dry Matter ◽  
Block Design ◽  
Research Station ◽  
Dry Matter Accumulation ◽  
Nitrogen And Phosphorus ◽  
Area Index ◽  
Green Leaves ◽  
Photosynthetic Attributes

A field experiment was conducted at the Main Research Station, University of Agricultural Sciences, Dharwad, India, on medium black soils during the kharif (wet) season of 1999. The experiment was laid out in a randomized complete block design with varying N/P ratios (0.67 to 2.00) along with a control with a constant level of potassium (60 kg ha-1). The results revealed that the number of green leaves plant-1, the dry matter accumulation in the leaves, leaf area (dm2 plant-1) and leaf area index (LAI) increased up to the flowering stage (65 DAS) and thereafter declined. In the early stages (seedling and button stages) there was no significant variation with respect to the number of green leaves plant-1 among the treatments except in the control. Similarly, leaf area and LAI did not vary at the seedling stage. Treatments receiving N/P ratios of ?1.0 or 1.0 with higher doses of nitrogen (120 kg N ha-1) gave a significantly higher number of green leaves plant-1, leaf area and LAI as compared to N/P ratios of <1.0 and the control in later stages. The dry matter accumulation in the leaves (g plant-1) differed in all the stages, but higher values were recorded in these same treatments. Thus, due to the higher number of green leaves, higher LAI and greater dry matter accumulation in the leaves, the treatments with an N/P ratio of ?1.0 or 1.0 with 120 kg N ha-1 produced higher seed yields (3188 to 3554 kg ha-1) than other N/P ratios (2761 to 3009 kg ha-1). The highest yield (3554 kg ha-1) was recorded with an N/P ratio of 1.0 in the treatment receiving 120 kg N and 120 kg P2O5 ha-1. The correlation coefficients between these photosynthetic attributes and seed yield were also positive and significant.

Economics of seed production in garden pea (Pisum sativum L.) as influenced by different levels of sulphur and boron

2016 ◽  
Author(s):  
Feroz Ahmad Parry ◽  
Mushtaq Ahmad Chattoo ◽  
Shabeer Ahmad Ganie ◽  
Syed Mudasir Razvi
Keyword(s):  
Seed Yield ◽  
Block Design ◽  
Garden Pea ◽  
Net Returns ◽  
Combined Application ◽  
Randomized Complete Block Design ◽  
Stover Yield ◽  
Four Levels ◽  
Different Levels ◽  
100 Seed Weight

A field experiment was conducted at Division of Vegetable Science SKUAST-Kashmir Shalimar during rabi 2009-2010 and 2010-2011 in randomized complete block design with sixteen treatment combinations consisting four levels of sulphur (0, 15, 30 and 45 kg S ha-1) and boron (0, 1, 2 and 3 kg B ha-1) replicated thrice . The study revealed that combined application of 30 kg S and 2 kg B ha-1 recorded significantly higher values for number of seeded pods per plant (7.00), number of seeds per pod (5.95), seed yield per plant (7.20 g), seed yield per ha (24.0 q), 100- seed weight (17.32 g) , Stover yield per ha (25.54 q) and maximum net returns of RS. 141243.0 with returns per Re invested of 2.43.

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