Effects of Variable Rate Nitrogen Application on cv. Barbera Performance: Vegetative Growth and Leaf Nutritional Status

Raspberry (Rubus idaeus L.) cultivar Willamette has long been the most commonly grown raspberry cultivar in Serbia, which is owing to high adaptability of the cultivar to respective agro-environmental conditions. Massive dieback of full bearing plantings is a major problem in raspberry growing hence quality planting material is a must when establishing new raspberry plantings. The study was conducted under protected conditions (in screenhouse) on plants obtained by micropropagation in vitro. In order to achieve optimal vegetative potential, plants were grown for two consecutive years (2004–2005) on two substrates (Steckmedium and Seedling) using three foliar fertilizers (Wuxal, Murtonik and Ferticare). The study revealed optimal vegetative growth in plants studied, excess manganese (150.60-214.52 mg/g), optimum iron content (94.00-123.50 mg/g), and zinc (28.60-31.00 mg/g) and copper (3.10-4.00 mg/g) deficiencies, based on the referent values of microelements content. The assessment of nutritional status of plants by the DOP index suggested significant differences in microelements imbalance when different foliar fertilizers and substrates are applied.

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Nitrogen Application in Arugula Culture

Journal of Agricultural Science ◽

10.5539/jas.v11n2p385 ◽

2019 ◽

Vol 11 (2) ◽

pp. 385

Author(s):

Katiane Santiago Silva Benett ◽

Ricardo Caldas Xavier ◽

Cleiton Gredson Sabin Benett ◽

Leandro Caixeta Salomão ◽

Alexsander Seleguini ◽

...

Keyword(s):

Vegetative Growth ◽

Block Design ◽

Nitrogen Sources ◽

State University ◽

Nitrogen Application ◽

Leaf Quality ◽

Randomized Complete Block Design ◽

Coated Urea ◽

Nutrient Amounts ◽

Culture Development

Vegetable development and productivity are influenced by several factors, including the nutrient amounts available. Providing adequate nitrogen favours vegetative growth and promotes increased productivity, in addition to providing greater succulence and improving leaf quality. This work evaluated the effect of nitrogen doses and sources on arugula culture development and productivity. The experiment was conducted on the experimental farm at the State University of Goiás, Ipameri campus, in the municipality of Ipameri, Goiás state (GO). The experiment used a 2 × 5 factorial randomized complete block design, with two sources (normal urea and coated urea), five nitrogen doses (0, 60, 120, 180 and 240 kg ha-1 of N) and four replicates. Plant height, stem diameter, leaf number, fresh shoot matter, dry shoot matter and productivity were evaluated. The results obtained here suggest that nitrogen sources do not influence arugula culture development, but nitrogen doses influence the arugula culture’s productive characteristics.

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Response of Inga rice to application of nitrogen fertilizer at varying growth stages

Australian Journal of Experimental Agriculture ◽

10.1071/ea9840250 ◽

1984 ◽

Vol 24 (125) ◽

pp. 250 ◽

Cited By ~ 5

Author(s):

PE Bacon ◽

DP Heenan

Keyword(s):

Grain Yield ◽

Nitrogen Fertilizer ◽

Vegetative Growth ◽

Yield Response ◽

Growth Stages ◽

Nitrogen Application ◽

Nitrogen Use

The growth, nitrogen use and yield of rice cv. lnga were examined in three experiments in 1978, 1979 and 1980. In each experiment, one rate of nitrogen was applied at six different times between permanent flood and three weeks after panicle initiation. Application of 50 kg N/ha in 1978 and 70 kg N/ha in 1980 at permanent flood increased yield. A higher rate (100 kg N/ha) at permanent flood in 1979 greatly increased vegetative growth but had little effect on grain yield. The grain yield response to 100 kg N/ha in 1979 significantly increased when application was delayed until panicle initiation. Nitrogen topdressing up to 14 d after panicle initiation resulted in an increased percentage of filled florets per panicle and heavier grains compared with application 14-21 d before panicle initiation. Delaying nitrogen application till 2 1 d after panicle initiation resulted in lower numbers of florets per panicle and consequently reduced yield.

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The effects of supplementary HPS lighting and carbon dioxide enrichment on the vegetative growth, nutritional status and flowering characteristics ofChrysanthemum morifoliumRamat.

Journal of Horticultural Science ◽

10.1080/14620316.1985.11515643 ◽

1985 ◽

Vol 60 (3) ◽

pp. 389-395 ◽

Cited By ~ 7

Author(s):

R. Y. N. Eng ◽

M. J. Tsujita ◽

B. Grodzinski

Keyword(s):

Carbon Dioxide ◽

Nutritional Status ◽

Vegetative Growth ◽

Carbon Dioxide Enrichment

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Variable Rate Liquid Nitrogen Application for Cotton and Corn Production

10.13031/2013.5523 ◽

2001 ◽

Author(s):

C. G. Bowers ◽

G. T. Roberson ◽

D. K. Cassel ◽

G. C. Naderman ◽

Cavell Brownie

Keyword(s):

Liquid Nitrogen ◽

Variable Rate ◽

Nitrogen Application ◽

Corn Production

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Effect of Foliar Application of Urea and Boric Acid on Red Roomy Grapevines: I. The Effect on Behavior of Buds, Growth, and Vine Nutritional Status

HortScience ◽

10.21273/hortsci.31.4.614b ◽

1996 ◽

Vol 31 (4) ◽

pp. 614b-614

Author(s):

A.M. Akl ◽

A.M. Wassel ◽

F.F. Ahmed ◽

M.A. Abdel Hady

Keyword(s):

Nutritional Status ◽

Boric Acid ◽

Leaf Area ◽

Vegetative Growth ◽

Foliar Application ◽

Gradual Increase ◽

Branch Length ◽

Growing Season ◽

Total Chlorophyll ◽

Total Carbohydrates

This study was performed during the 1991, 1992, and 1993 seasons to study the effect of different concentrations and number of sprays urea and/or boric acid on behavior of buds, vegetative growth, and vine nutritional status of Red Roomy grape vines. Two, three, four, or five sprays for both urea at 0.5%, 1.0%, or 1.5% and/or boric acid at 0.1%, 0.2%, 0.3% in addition to the control treatments were applied. A gradual increase was observed in the percentages of burst and fruiting buds, main branch length, leaf area, cane thickness, total chlorophyll, and total carbohydrates in the leaves and considerable depression was observed in the percentages of dormant and vegetative buds. The most pronounced effect on growth and nutritional status was detected on vines sprayed four times with urea at 1.0% plus boric acid at 0 2% during the growing season.

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