RESPONSE OF IRRIGATED FIELD AND SWEET CORN TO NITROGEN AND PHOSPHORUS FERTILIZERS IN SOUTHERN ALBERTA

1975 ◽  
Vol 55 (2) ◽  
pp. 137-143 ◽  
Author(s):  
J. B. BOLE ◽  
S. FREYMAN
Keyword(s):  
Dry Matter ◽  
Zea Mays L ◽  
Sweet Corn ◽  
Systematic Design ◽  
Nitrogen And Phosphorus ◽  
Field Corn ◽  
Wide Range ◽  
Southern Alberta ◽  
P Fertilizer ◽  
Precise Assessment

A two-dimensional systematic design provided a precise assessment of the response of field and sweet corn (Zea mays L. cv. UH 106 and Yukon) to a wide range of fertilizer N and P levels. Both cultivars responded primarily to N, with only limited responses to P. Yield increased significantly with incremental N levels up to 100 kg/ha and slightly with increments of N up to 200 kg/ha. Total dry matter yields responded to higher levels of N than did grain yield, and field corn was more responsive to N fertilizer than was sweet corn. Yields were significantly lower with no P than with P fertilizer levels of 15 kg/ha or higher. The limited response to P was probably due to the moderate to high levels of residual fertilizer P in the soil.

OPTIMUM RATIOS OF NITROGEN AND PHOSPHORUS FERTILIZERS FOR CORN DETERMINED BY HOMÈS’ METHOD OF SYSTEMATIC VARIATIONS

1970 ◽  
Vol 50 (2) ◽  
pp. 141-150
Author(s):  
ERIC G. BEAUCHAMP ◽  
H. A. HAMILTON
Keyword(s):  
Dry Matter ◽  
Zea Mays L ◽  
Sweet Corn ◽  
Maximum Yield ◽  
Plant Tissues ◽  
Corn Plant ◽  
Replacement Series ◽  
Nitrogen And Phosphorus ◽  
Phosphorus Fertilizers ◽  
P Fertilizers

A greenhouse experiment was carried out to investigate the possibility of an optimum N/P ratio for sweet corn (Zea mays L.), using Homès’ method of systematic variations.Three levels of N and P fertilizers were applied to a soil. Each level was comprised of nine fertilizer treatments differing only in N/P ratio in a replacement series. Accordingly, the three levels represented 8.12, 16.04, and 32.02 meq per 4.4 kg soil of NO3− plus H2PO4−, respectively.There appeared to be a definite N/P ratio of fertilizer which resulted in a maximum yield and which was similar for all three levels of the replacement series of N plus P. However, this effect was most pronounced at the highest level of N plus P. The Homès method for determining the optimum N/P ratio of a fertilizer was successful primarily at the highest level of N plus P.N/P ratios of corn plant tissues from about 9 to 18 coincided with maximum dry matter yields at the highest level of N plus P.

scholarly journals Tolerance of Eight Sweet Corn (Zea mays L.) Hybrids to Pyroxasulfone

HortScience ◽  
2008 ◽  
Vol 43 (1) ◽  
pp. 170-172 ◽  
Author(s):  
Sarah R. Sikkema ◽  
Nader Soltani ◽  
Peter H. Sikkema ◽  
Darren E. Robinson
Keyword(s):  
Zea Mays ◽  
Plant Height ◽  
Weed Management ◽  
Zea Mays L ◽  
Sweet Corn ◽  
Corn Hybrids ◽  
Field Corn

Pyroxasulfone is an experimental herbicide for use in field corn (Zea mays L.) and soybean that may have potential for weed management in sweet corn. Tolerance of eight sweet corn hybrids to pyroxasulfone applied preemergence (PRE) at rates of 0, 209, and 418 g·ha−1 a.i. were studied at two Ontario locations in 2005 and 2006. Pyroxasulfone applied PRE at 209 and 418 g·ha−1 caused minimal (less than 3%) injury in Harvest Gold, GH2041, GH9589, GSS9299, GG214, GG446, GG763, and GG447 sweet corn hybrids at 7, 14, and 28 days after emergence. Pyroxasulfone applied PRE did not reduce plant height, cob size, or yield of any of the sweet corn hybrids tested in this study. Based on these results, pyroxasulfone applied PRE at the rates evaluated can be safely used for weed management in Harvest Gold, GH2041, GH9589, GSS9299, GG214, GG446, GG763, and GG447 sweet corn.

Impact of different ratios and levels of nitrogen and phosphorus on growth, yield and nutrient uptake of rainfed soybean

2018 ◽  
Author(s):  
Satyabrata Mangaraj ◽  
L. H. Malligawad ◽  
R.K. Paikaray ◽  
S. R. Pradhan ◽  
T. R. Sahoo
Keyword(s):  
Seed Weight ◽  
Dry Matter ◽  
Potassium Level ◽  
Foliar Application ◽  
Foliar Spray ◽  
Growth Yield ◽  
Nitrogen And Phosphorus ◽  
Matter Production ◽  
P Fertilizer ◽  
100 Seed Weight

A field experiment was carried out during kharif 2015 with thirteen ratios of nitrogen (N) and phosphorus (P2O5) fertilizers with constant potassium level (25 kg K2O ha-1) on soybean cultivar DSb 21. The treatment receiving N/P fertilizer ratio of 0.70 (basal application of 18 kg N, 46 kg P2O5, 25 kg K2O ha-1 + foliar application of nitrogen @ 7 kg N ha-1 at initiation of flowering and foliar application of nitrogen @ 7 kg N ha-1 at 15 days after first foliar spray) recorded significantly higher seed yield (3217 kg ha-1), haulm yield (3788 kg ha-1), number of filled pods plant-1 (44.73), total number of pods plant-1 (47.57) and 100 seed weight (15.40 g) This treatment also recorded significantly higher total dry matter production (34.15 g) that higher gross monetary returns, net monetary returns and B : C ratio (Rs. 1,12,595, Rs. 89,770 ha-1 and 4.93, respectively).

scholarly journals Effect of meat and bone meal (MBM) and Bacillus subtilis on the content of nitrogen and phosphorus in soil and white mustard biomass

2018 ◽  
Vol 27 (4) ◽  
Author(s):  
Anna Nogalska ◽  
Małgorzata Skwierawska ◽  
Aleksandra Załuszniewska
Keyword(s):  
Bacillus Subtilis ◽  
Dry Matter ◽  
White Mustard ◽  
Meat And Bone Meal ◽  
Bone Meal ◽  
Nitrogen And Phosphorus ◽  
Mineral N ◽  
P Content ◽  
P Fertilizer ◽  
Microbial Preparation

The aim of this pot experiment was to determine the effect of increasing rates of meat and bone meal (MBM), applied alone or in combination with a microbial preparation containing Bacillus subtilis (FITOdoctor), on the growth of Sinapis alba L.. Dry matter (DM) yield, the nitrogen (N) and phosphorus (P) content of white mustard were determined, together with the mineral N (Nmin) and available P content of soil. The application of FITOdoctor to the soil improved white mustard yield only during the second growing season. Second-harvest white mustard biomass had a significantly lower content of N and P than first-harvest biomass. The highest MBM rate significantly increased the Nmin content of soil. Nitrogen uptake by plants and N concentration in biomass were highest in the treatments with the highest mineral N content of soil. Similar relationships were observed for P whose uptake by plants was also affected by B. subtilis in two treatments (NPK, 0.8% MBM). MBM is a valuable N and P fertilizer, whereas B. subtilis has varied effects.

scholarly journals Response of Eight Sweet Corn (Zea mays L.) Hybrids to Topramezone

HortScience ◽  
2007 ◽  
Vol 42 (1) ◽  
pp. 110-112 ◽  
Author(s):  
Nader Soltani ◽  
Peter H. Sikkema ◽  
John Zandstra ◽  
John O'Sullivan ◽  
Darren E. Robinson
Keyword(s):  
Zea Mays ◽  
Plant Height ◽  
Weed Management ◽  
Zea Mays L ◽  
Sweet Corn ◽  
Marketable Yield ◽  
Corn Hybrids ◽  
Field Corn ◽  
Initial Sensitivity

Topramezone is a newly introduced herbicide for use in field corn (Zea mays L.) that may have potential for weed management in sweet corn. Tolerance of eight sweet corn hybrids to topramezone applied postemergence (POST) at 0, 50, 75, 100, 150, and 300 g a.i. ha− 1 were studied at one Ontario location in 2000 and two locations in 2001 and 2002. Topramezone applied POST at 50, 75, 100, and 150 g·ha− 1 did not cause any visual injury in Calico Belle, CNS 710, Delmonte 2038, FTF 222, FTF 246, GH 2684, Reveille, and Rival sweet corn hybrids at 7 days after treatment (DAT) and caused minimal injury (less than 5%) at 300 g·ha− 1 in all hybrids. The initial sensitivity observed in these hybrids was minimal and transient with no effect on visual injury at 14 and 28 DAT. Topramezone applied POST did not reduce plant height, cob size, or marketable yield of the sweet corn hybrids included in this study. Based on these results, topramezone applied POST at the rates evaluated can be safely applied to Calico Belle, CNS 710, Delmonte 2038, FTF 222, FTF 246, GH 2684, Reveille, and Rival sweet corn.

scholarly journals Effect of Critical Period of Weed Competition and Its Management Option in Sweet Corn [Zea mays (L.) var. saccharata strut] Production: A Review

2021 ◽  
Author(s):  
Arebu Hussen
Keyword(s):  
Zea Mays ◽  
Weed Management ◽  
Critical Period ◽  
Zea Mays L ◽  
Sweet Corn ◽  
Maximum Yield ◽  
Weed Competition ◽  
Management Option ◽  
Medicinal Uses ◽  
Wide Range

Sweet corn [Zea mays (L.) var. saccharata strut] is the most important variety of maize with high sugar content. It contains a glossy sweetish endosperm and primarily grown for human food. It requires moderately high temperature from 22oC up to 33oC, high light intensity and adequate and well distributed rainfall of not less than 200mm during growing season. It can be grown on the wide range of soils. However, it performs best on neutral, well drained, well aerated and moderately heavy, deep fertile soils. Sweet corn is not so much competing with weeds like other crops. Avoid the influence of weed competition on the growth and development of sweet corn produce maximum yield and the economic importance of sweet corn used for conception and health benefits. By so far it is good in health and as medicinal uses it should be managed without affecting by weeds. The weed management option properly controls by the method of mechanical, biological, chemical and integrated weed management. In general, it is significant that properly controlling critical period weed competition in sweet corn reducing the competition of light, water, nutrient and space and maximizing the yield of sweet corn.

scholarly journals Pre-sidedress Soil Nitrate Test for Sweet Corn

HortScience ◽  
1995 ◽  
Vol 30 (5) ◽  
pp. 1033-1036 ◽  
Author(s):  
J.R. Heckman ◽  
W.T. Hlubik ◽  
D.J. Prostak ◽  
J.W. Paterson
Keyword(s):  
Sweet Corn ◽  
Critical Level ◽  
Soil Analysis ◽  
Relative Yield ◽  
N Availability ◽  
N Application ◽  
Field Corn ◽  
Wide Range ◽  
The Relationship ◽  
N Fertilizer Rate

Research was conducted with sweet corn (Zea mays L.) to evaluate the presidedress soil NO3 test (PSNT) originally developed for use on field corn on a wide range of New Jersey soils. Soil NO3-N concentrations reflected differences in N availability due to manure or preplant N application. The relationship between soil NO3-N concentration and relative yield of marketable ears was examined using Cate–Nelson analysis to define the PSNT critical level. Soil NO3-N concentrations >25 mg·kg–1 were associated with relative yields at ≥92%. The success rate for the PSNT critical level was 85% for predicting whether sidedress N was needed. Including NH4-N in the soil analysis did not improve the accuracy of the soil test for predicting whether sidedress N was needed. Although the PSNT is quite accurate in identifying N-sufficient sites, it appears to offer only limited guidance in making N-fertilizer rate predictions. The PSNT is most useful on manured soils, which frequently have sufficient N. The test likely will help decrease the practice of applying “insurance” fertilizer N and the ensuing potential for NO3 pollution of the environment.

Sweet corn responses to basal and top-dressed rates and sources of nitrogenous fertilizers

1992 ◽  
Vol 43 (1) ◽  
pp. 171 ◽  
Author(s):  
AA Salardini ◽  
LA Sparrow ◽  
RJ Holloway
Keyword(s):  
Zea Mays ◽  
Nitrogen Uptake ◽  
Dry Matter ◽  
Zea Mays L ◽  
Sweet Corn ◽  
Nitrogen Use ◽  
Nitrogen Uptake Efficiency ◽  
N Concentration ◽  
Use Efficiency ◽  
N Rates

Sweet corn (Zea mays L. var. rugosa cv. Jubilee) was grown on a fine loamy clay krasnozem soil with banded nitrogen fertilizer at rates up to 200 kg N ha-1 from (NH4)2SO4 and 50 kg N ha-1 from each of NH4NO3 and urea. Some treatments were top-dressed with one or two applications of 50 kg N ha-1. The highest yield of both cobs (23.1 t ha-1) and fresh shoots (93.8 t ha-1) and the highest concentration of N in cobs and shoot dry matter was attained with 100 kg basal N ha-1 and two subsequent topdressings of 50 kg N ha-1 each, applied as (NH4)2SO4. From banded dressing alone, 150 kg N ha-1 produced the highest cob yield and the highest accumulation of N in cobs and shoot dry matter. Top-dressed N increased the yield of cobs and the yield and N concentration in shoots, but did not influence the N concentration in cobs. As N rates were increased, there was an increase in the weight of primary cobs, the weight and number of secondary cobs and more significantly, in the number of tertiary cobs. The source of N did not have any effect on the yield or most yield related components except yield and number of tertiary cobs, which were higher in the ammonium sulfate treatments. The contribution of nitrogen uptake efficiency NUPE and nitrogen ultilization efficiency NUTE to variations in nitrogen use efficiency NUSE was calculated and discussed.

scholarly journals Efisiensi Penggunaan Cahaya Matahari oleh Tebu pada Berbagai Tingkat Pemupukan Nitrogen dan Fosfor

1970 ◽  
Vol 40 (3) ◽  
Author(s):  
Wawan Pembengo ◽  
, Handoko ◽  
, Suwarto
Keyword(s):  
Dry Matter ◽  
Phosphorus Deficiency ◽  
Block Design ◽  
Canopy Structure ◽  
Leaf Nitrogen ◽  
Light Use Efficiency ◽  
Nitrogen And Phosphorus ◽  
Area Index ◽  
P Fertilizer ◽  
Use Efficiency

Light use efficiency is a crucial parameter in plant growth associated with accumulation of energy interception. Nitrogen and phosphorus deficiency reduce leaf area index (LAI) and specific leaf nitrogen and phosphorus (SLN and SLP) content and reduce efficiency of light intercepted by plant canopy structure. This research was conducted in Kebun Bunga Mayang PTPN VII, North Lampung Regency, Lampung Province (04050’S, 104052’E, 38 m above sea level) from July 2008 to September 2009. Treatments were distributed in the field under a randomized complete block design factorial with three replications. The increase in nitrogen fertilizer (N) improved sugarcane light use efficiency. The light use efficiency of the sugarcane plants fertilized with 225 kg N ha-1 was 2.29 g MJ-1 at maximum stem phase. On the contrary, the increasing of phosphor (P) fertilizer did not affect light use efficiency but increased stem dry matter at maximum seedling phase or about 3 month after planting (3 MAP), at maximum stem phase (9 MAP), and at harvest (11 MAP); total dry matter at seedling phase (5 MAP) and at maximum stem phase (9 MAP). Nitrogen did not interact with P in affecting light use efficiency. Keywords: fertilization N and P, interception radiation, light use efficiency, sugarcane

Seedling growth and yield of field corn grown on summer fallow

1992 ◽  
Vol 72 (3) ◽  
pp. 831-836
Author(s):  
G. H. Gubbels
Keyword(s):  
Zea Mays ◽  
Seedling Growth ◽  
Zea Mays L ◽  
Growth And Yield ◽  
Poor Growth ◽  
Field Corn ◽  
Low Phosphorus ◽  
P Fertilizer ◽  
Spring Temperatures ◽  
Summer Fallow

Field corn (Zea mays L.) experiments were conducted in the field in a 7-yr study to determine the cause of poor growth on summer-fallowed land and find a means of reducing the problem. Low phosphorus (P) levels in seedling tissue were associated with the poor growth. The symptoms were most severe where P levels in the soil were low, spring temperatures high and soil moisture low. The addition of P fertilizer with the seed greatly improved seedling growth of the corn and sometimes increased grain yield.Key words: Field corn, Zea mays L., summer fallow, phosphorus

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