The effect of seeding rate and nitrogen fertilizer on the winter production of irrigated sod-sown oats at Badgery's Creek

1966 ◽  
Vol 6 (20) ◽  
pp. 42 ◽  
Author(s):  
FC Crofts
Keyword(s):  
Nitrogen Fertilizer ◽  
Dry Matter ◽  
Lower Cost ◽  
Early Spring ◽  
Nitrogen Fertilizers ◽  
Critical Factors ◽  
Forage Production ◽  
Seeding Rate ◽  
Spray Irrigation ◽  
Clover Pasture

Under supplementary spray irrigation at Badgery's Creek, N.S.W., it has been possible to increase the late autumn, winter, and early spring production of a clover dominant ryegrass-clover pasture by more than 3,000 lb of dry matter an acre by sod-seeding oats with nitrogen fertilizers. The oat seeding rate and the amount of nitrogen fertilizer applied at seeding are critical factors in determining the amount of additional winter forage obtained. At this stage it appears that the sod-seeding of oats at four bushels an acre with about 90 lb of nitrogen an acre in early autumn will greatly increase winter forage production under irrigation at a much lower cost than that associated with hand-feeding.

The effect of nitrogen fertilizer on the seasonal production of an irrigated ryegrass-clover pasture at Badgery's Creek

1965 ◽  
Vol 5 (19) ◽  
pp. 417 ◽  
Author(s):  
FC Crofts
Keyword(s):  
Nitrogen Fertilizer ◽  
Crude Protein ◽  
Dry Matter ◽  
Early Spring ◽  
Late Spring ◽  
Summer Period ◽  
Fertilizer Nitrogen ◽  
Clover Pasture

Nitrogen fertilizer applied as sulphate of ammonia at 23 to 92 pounds of nitrogen an acre in early spring made forage available for grazing six weeks earlier and returned 19 to 22 pounds of additional dry matter (with 14 to 19 per cent crude protein) for each pound of fertilizer nitrogen applied. However, the responses to nitrogen fertilizer became progressively less over the late spring and summer period and the responses in the autumn, when additional forage is urgently needed for winter reserves, were relatively small.

The effect of herbicides, anhydrous ammonia and seed ing rate on winter production of oats sod-sown into grass dominant pasture

1966 ◽  
Vol 6 (23) ◽  
pp. 388 ◽  
Author(s):  
RL Colman
Keyword(s):  
Field Experiment ◽  
Nitrogen Content ◽  
Dry Matter ◽  
New South ◽  
Early Spring ◽  
Dry Matter Yield ◽  
Herbicide Application ◽  
Seeding Rate ◽  
Anhydrous Ammonia ◽  
South Wales

A factorial field experiment, comparing three rates of nitrogen as anhydrous ammonia, two seeding rates of oats, and the presence or absence of a herbicide applied to grass pastures before sod-seeding, was conducted at Kyogle, New South Wales in 1964. Plots were sown in mid-autumn and harvested in winter and early spring. Increased applications of nitrogen and the higher seeding rate increased both dry matter yield and total nitrogen content. Application of herbicide significantly increased yield at the low rates of nitrogen but not at the highest rate. Anhydrous ammonia at 120 lb of nitrogen an acre had no effect on the germination of oats seed and provided adequate nitrogen for growth of oats without the need for herbicide application or cultivation of the grass pasture. The results suggest that oats can be successfully sod-seeded into grass dominant pastures by using 120 lb of nitrogen as anhydrous ammonia and four bushels of oats an acre.

Nitrogen fertilizer product and timing alternatives exist for forage production in the Peace region of Alberta

2013 ◽  
Vol 93 (2) ◽  
pp. 151-160 ◽  
Author(s):  
R. E. Karamanos ◽  
F. C. Stevenson
Keyword(s):  
Ammonium Nitrate ◽  
Nitrogen Fertilizer ◽  
Protein Concentration ◽  
N Uptake ◽  
Early Spring ◽  
N Fertilizer ◽  
Forage Production ◽  
Total N ◽  
Meadow Bromegrass ◽  
Polymer Coated Urea

Karamanos, R. E. and Stevenson, F. C. 2013. Nitrogen fertilizer product and timing alternatives exist for forage production in the Peace region of Alberta. Can. J. Plant Sci. 93: 151–160. Four different N sources [ammonium nitrate (NIT), urea (UR), polymer-coated urea (PCU), and N-(n-butyl) thiophosphoric triamide-treated urea (AGR)] were applied to stands of pure meadow bromegrass (Bromus beibersteinii L.) or a 50:50 smooth bromegrass (Bromus inermis L.)–alfalfa (Medicago sativa L.) mixture in late fall and early spring at four N rates (0, 60, 80 and 100 kg N ha−1) over a 3-yr (2003–2005) period. The N treatments generally increased forage responses, but the response net revenue to N treatment was rarely positive and at times was negative, especially for PCU. On average, PCU resulted in lower yield and protein concentration, lesser N efficiency, and lesser profit relative to other forms of N. This difference was more pronounced in the spring and was less notable at Rycroft, the location with the bromegrass–alfalfa mixture. Also, greater N fertilizer rates increased the yield, protein concentration, total N uptake, and profit for all fertilizer forms. The exceptions to the preceding were N fertilizer rate did not affect forage responses for PCU and at the location with the brome-alfalfa mixture. Urea or AGR provided satisfactory agronomic alternatives to ammonium nitrate when applied in early spring at sufficient rates.

Urea as a nitrogen fertilizer for grass cut for silage

1992 ◽  
Vol 119 (3) ◽  
pp. 373-381 ◽  
Author(s):  
A. Lloyd
Keyword(s):  
Ammonium Nitrate ◽  
Nitrogen Fertilizer ◽  
Dry Matter ◽  
Ammonia Volatilization ◽  
Fertilizer Application ◽  
Early Spring ◽  
England And Wales ◽  
High Ph ◽  
Yield Decrease

SUMMARYForty-one experiments were carried out in England and Wales between 1983 and 1985 to compare ammonium nitrate and urea as N top dressings for multicut silage.The results showed that relative dry matter yields from the two fertilizers differed considerably between sites. However, compared with ammonium nitrate, there was a mean yield decrease with urea of 2% at the first cut and 5% at the second cut. Mean herbage N contents and apparent N recoveries were lower with urea than with ammonium nitrate at both the first and second cuts. It appeared, at least for first-cut dressings applied in early spring, that urea effectiveness increased with the amount of rain falling within 3 days of fertilizer application. The effect was much less obvious at the second cut.Urea effectiveness was not markedly reduced on soils of high pH or light texture, where higher ammonia volatilization losses might have been expected.

scholarly journals Bed Planting Techniques Improved Crop Yield by Efficient use of Added Nitrogen Fertilizer

2021 ◽  
Author(s):  
Abdul Majeed ◽  
Abid Niaz ◽  
Aysha Sameen ◽  
Hafiz Basheer Ahmad ◽  
Muhammad Younus ◽  
...  
Keyword(s):  
Nitrogen Fertilizer ◽  
Dry Matter ◽  
Crop Growth ◽  
N Fertilizer ◽  
Nitrogen Fertilizers ◽  
Nitrous Oxide Emissions ◽  
Dry Matter Yield ◽  
Wheat Growth ◽  
Crop Fields ◽  
Wheat Cultivation

Background: Nitrogen fertilizer is imperative for rice and wheat growth and dry matter yield as compare to other macronutrients. Nitrogen is also added in high amount in every one of rice and wheat cultivation method. Effective uptake of added nitrogen by crops from soil supports in increasing crop growth and dry matter yield. Best N fertilizer utilization is indispensable for improving crop growth and to decrease environmental pollution. Methods: A comparison of the utility of nitrogen fertilizer usage by plants in wheat and rice crops grown on beds and flat land was planned in the current investigation. Beds were manufactured with bed planter machine. The plant samples were collected, dried and digested with acid for mineral nutrients analysis after harvesting the crops.Result: The results showed that the addition of N fertilizer (80 kg / ha) to the bed produced at par yield (4.51 t / ha) as obtained by an addition of 120 kg N / ha in flat sowing. Planting of rice on bed plus furrow and adding N (100 kg / ha) to the prescribed dosage of N (150 kg / ha) in flat sowing produced at par yield. It concludes that by planting crops on beds without loss in yield, higher use of N fertilizer in crops can be minimized. Thus, bed planting strategies effectively and indirectly minimize nitrous oxide emissions from applied nitrogen fertilizers in wheat and rice crop fields through increasing the usage of added N fertilizer through plants.

Effect of defoliation frequency on an irrigated perennial pasture in northern Victoria. 1. Seasonal production and sward composition

1997 ◽  
Vol 48 (6) ◽  
pp. 811 ◽  
Author(s):  
A. R. Lawson ◽  
P. W. G. Sale ◽  
K. B. Kelly
Keyword(s):  
Growth Rate ◽  
Perennial Ryegrass ◽  
White Clover ◽  
Dry Matter ◽  
Early Spring ◽  
Defoliation Frequency ◽  
Clover Content ◽  
Pasture Yield ◽  
Clover Pasture ◽  
Ryegrass Growth

A field experiment was carried out to investigate whether changes in winter and post-winter defoliation frequency would increase the white clover content of an irrigated perennial ryegrass–white clover pasture in northern Victoria. Pastures defoliated every 4 weeks during winter had higher white clover growing point (stolon apices with at least 2 nodes) density at the end of winter than pastures defoliated every 8 weeks or those receiving a single defoliation after 16 weeks, but these differences did not affect the clover content in the spring. Reasons for this are suggested. Pastures defoliated at 8-week intervals in winter were the most productive over winter{early spring. Less frequent defoliation (4 v. 2 weeks) during the post-winter, September–May period reduced white clover growing point and perennial ryegrass tiller densities. However, the white clover growth rate during this period was increased by less frequent defoliation, whereas the ryegrass growth rate was reduced, resulting in an increase of 10% in the white clover content, and a 1·9 t dry matter (DM)/ha increase in total DM produced. This higher clover content and pasture yield during spring–autumn with less frequent defoliation has important implications for the management of irrigated perennial pastures for the dairy industry in northern Victoria.

Effect of seeding rate and nitrogen fertilizer on production of autumn sown rape (Brassica napus) on the Central Tablelands of New South Wales

1969 ◽  
Vol 9 (38) ◽  
pp. 350 ◽  
Author(s):  
D Gramshaw ◽  
FC Crofts
Keyword(s):  
Brassica Napus ◽  
Nitrogen Fertilizer ◽  
Field Experiments ◽  
New South ◽  
New South Wales ◽  
Early Spring ◽  
Annual Rainfall ◽  
Dry Matter Content ◽  
Seeding Rate ◽  
South Wales

Two factorial field experiments, comparing the effects of a range of seeding rates and levels of nitrogen fertilizer on the winter and early spring yield of rape (Brassica napus CV. Dwarf Essex) sown in early autumn, were conducted in two successive years near Orange (33.2�S, 149.1�E), New South Wales. Average annual rainfall is 34 inches and winter mean temperatures range from 42-45�F. Seeding rates of from 9 to 15 lb an acre and nitrogen fertilizer at 80 lb N an acre at seeding gave near optimum winter and early spring yields. This combination gave a three-fold increase in yield over sowings at 3 lb an acre without nitrogen fertilizer. The responses to seeding rate and nitrogen were independent in winter, but these factors interacted to affect yield in early spring. The dry matter content of rape varied between 11.5 and 19.3 per cent and was generally unaffected by seeding rate, but tended to decrease slightly with increased nitrogen level. Nitrogen percentage, which fluctuated between 2.18 and 3.61, was little affected by increased seeding rate and generally showed a small increase with increasing levels of applied nitrogen.

Current and residual effects of nitrogen fertilizer applied to grass pasture on production of beef cattle in central Saskatchewan

2004 ◽  
Vol 84 (1) ◽  
pp. 91-104 ◽  
Author(s):  
R. D. H. Cohen ◽  
S. B. M. Wright ◽  
L. R. Thomas ◽  
W. P. McCaughey ◽  
M. D. Howard
Keyword(s):  
Organic Matter ◽  
Nitrogen Fertilizer ◽  
Crude Protein ◽  
Early Spring ◽  
Residual Effects ◽  
Forage Production ◽  
Acid Detergent Fiber ◽  
Digestible Organic Matter ◽  
Grass Growth ◽  
Phosphorus Intake

Four rates of nitrogen fertilizer (0, 50, 100 and 200 kg N ha-1) were applied for 4 yr to two replications of a 32-yr-old crested wheatgrass (Agropyron cristatum) pasture at Lanigan, Saskatchewan, after which no fertilizer was applied for a further 4 yr. The pastures were grazed by pregnant yearling Hereford heifers using a “put-and-take” stocking system. Soil cores (0–60 cm) were taken to monitor soil NO3-N concentrations either in early spring, before grass growth commenced, or in late fall, after grass growth had ceased. Pasture measurements included available forage at the start of the grazing season, total forage production and the concentrations of crude protein, acid detergent fiber (ADF), ash, Ca, P, Mg, K, Cu, Zn, Fe and Mn. Heifers, fistulated at the esophagus, were used in 1984 and 1985 to obtain samples of the grazed herbage, which were analyzed for organic matter digestibility (OMD), protein and minerals, except P and K. Heifer intakes of digestible organic matter (DOMI), protein and minerals, except P and K, were estimated from their concentrations in fistula extrusa and estimates of intake obtained from extrusa digestibility and fecal output using Cr2O3 as a fecal marker. Phosphorus intake was estimated from fecal P concentration. Plasma samples were also collected and analyzed for concentrations of minerals.

scholarly journals Introduction of four native legumes of the Canadian Prairies in monoculture and in mixtures with meadow bromegrass (Bromus riparius)

2021 ◽  
Author(s):  
Shanna Marie Quilichini ◽  
Mike Schellenberg ◽  
Bill Biligetu
Keyword(s):  
Dry Matter ◽  
Nutritive Value ◽  
Block Design ◽  
Legume Species ◽  
Dry Matter Yield ◽  
Forage Production ◽  
Seeding Rate ◽  
Canadian Prairies ◽  
Bromus Riparius ◽  
Native Legume

Many questions remain concerning the viability and productivity of seeding native legumes in the Canadian Prairies for forage production. Field research was conducted with four native legume species (Astragalus flexuosus, Dalea purpurea, Hedysarum boreale and Vicia americana) to evaluate performance in Swift Current and Saskatoon, SK. The experimental design was a Randomized Complete Block Design with four replicates to evaluate legume-grass mixtures and monoculture performance, botanical composition and effect of harvest dates (July and August) from 2016 to 2018. The native legume-grass mixtures performed differently at the sites, with greater foliar cover at Saskatoon but greater proportion of legumes in mixtures at Swift Current. The mixtures had similar forage nutritive value as monoculture Bromus riparius, with legumes contributing 10% or less of the forage dry matter yield (DMY) at both sites. A. flexuosus showed the greatest foliar cover and produced the greatest DMY in monoculture at both sites. Based on this study, native legumes would need to make up a larger proportion of forage dry matter yield to change the nutritional value of mixtures. In a subsequent seeding rate evaluation, the four legume species were planted at three seeding rates (300, 200 and 100 pure live seeds [PLS] per metre) and tested for DMY one year following establishment near Swift Current. Increasing seeding rates up to 300 PLS m-1 corresponded with an increase in seedling density and foliar cover, but DMY was not affected. Additional research with A. flexuosus is needed to demonstrate its value as a forage.

scholarly journals The effect of nitrogen fertilization level on growth, yield and nodulation of Indigofera zollingeriana at early nursery stage

2019 ◽  
Author(s):  
Budiman Nohong ◽  
Syahdar Baba ◽  
Muhammad Yusuf
Keyword(s):  
Plant Height ◽  
Nitrogen Fertilizer ◽  
Nitrogen Fertilization ◽  
Dry Matter ◽  
Stem Diameter ◽  
Nitrogen Fertilizers ◽  
High Dose ◽  
Dry Matter Yield ◽  
Number Of Leaves ◽  
Indigofera Zollingeriana

The objective of this study was to determine the effect of nitrogen fertilizer level on growth, dry matter yield and nodulation of Indigofera zollingeriana plant at during the nursery. The experiments were arranged in a complete randomized design consisting of four treatments and four replications. The utilized four levels of the nitrogen fertilizer were 0 (P0), 100 (P1), 150 (P2) and 200 kg N/ha (P3) equivalent to 0, 0.15, 0.23 and 0.30 g N/polybag respectively. The variables in this study included the plant height, stem diameter, number of petioles per plant, length of petiole, number of leaves per plant, root length for each plant and dry matter yield. The results showed that the fertilizer doses increased the plant height, stem diameter, number of leaves per plant, and dry matter yield of leaf, leaf petiole, stem, root and nodule. It could be concluded that nitrogen fertilization was effective in stimulating growth, production and nodulation at early nursery stage, yet higher nitrogen doses (200 Kg N/ha) are ineffective and have inhibitory effects of growth and production. Therefore, high-dose nitrogen fertilizers in legume plants should be avoided because Indigofera zollingeriana is able to fix nitrogen from the atmosphere as in other legumes.

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