Effects of gypsum on yield and nutrient status of native lowbush blueberry

1996 ◽  
Vol 76 (2) ◽  
pp. 361-366 ◽  
Author(s):  
K. R. Sanderson ◽  
M. R. Carter ◽  
J. A. Ivany
Keyword(s):  
Prince Edward Island ◽  
Field Experiments ◽  
Nutrient Status ◽  
Nutrient Content ◽  
Marketable Yield ◽  
Vaccinium Angustifolium ◽  
Yield Increase ◽  
Lowbush Blueberry ◽  
Leaf Nutrient Concentration ◽  
Gypsum Application

Information is required on the response of native lowbush blueberry (Vaccinium angustifolium Ait.) to soil-applied calcium amendments. Field experiments were carried out in Prince Edward Island to determine the effects of applied gypsum, as a Ca source, on yield and leaf nutrient content of native lowbush blueberry at six sites, two locations per year. Sites were studied over several cropping cycles. Gypsum applied at 2, 4, 6, and 8 t ha−1 in the spring of the sprout year increased marketable yield (from 3.2 to 4.7 t ha−1) at three of six sites in the first crop year following application of gypsum. Averaged over these three sites, marketable yield was increased 47% by the application of gypsum at 4.0 t ha−1. Yield was not affected in the second and third cropping cycles. Mean berry weight and plant growth were not affected by gypsum application. Concentration of leaf Ca was increased but not consistently significant, while leaf S was significantly increased at all sites in the first cropping cycle. Soil pH was significantly reduced by gypsum in the first cropping cycle. A yield increase of 225 kg ha−1 would be sufficient to recover the costs of the applied gypsum. Key words: Gypsum, leaf nutrient concentration, lowbush blueberry, Vaccinium angustifolium Ait., yield

Boron for brown-heart control on two rutabaga cultivars

2002 ◽  
Vol 82 (3) ◽  
pp. 561-565 ◽  
Author(s):  
K. R. Sanderson ◽  
J. B. Sanderson ◽  
U. C. Gupta
Keyword(s):  
Key Words ◽  
Plant Tissue ◽  
Prince Edward Island ◽  
Field Experiments ◽  
Total Yield ◽  
Nutrient Content ◽  
And Storage

Field experiments were carried out in Prince Edward Island to investigate the effect of broadcast and foliar B applications on brown-heart, leaf nutrient content, yield and storage of two rutabaga cultivars (Brassica napabrassica Mill.) at one site in 1994, 1996 and 1997. The two cultivars, York and Thomson Laurentian, were seeded with preplant broadcast B at 0, 2.24, 4.48 and 6.72 kg ha-1. Within each preplant broadcast B treatment, foliar B was applied as Solubor (20.5% B) at 0 and 2.24 kg B ha-1. Foliar B was applied 28 and 42 d after seeding at 1.12 kg B ha-1 at each application. Averaged over these 3 yr, total yield was reduced by broadcast B and foliar B applications. Applications of B increased soil and tissue B levels. Boron was within acceptable levels for plant tissue and soil in all years; however, brown-heart was severe in 1994. On average, the incidence of brown-heart was lower in York than in Thomson Laurentian, and further decreased with increasing rate of B, both broadcast and foliar. Key words: Boron, brown-heart, York, Thomson Laurentian, rutabaga

scholarly journals Effect of magnesium fertilization on yield and nutrient status of rice in kole lands

2021 ◽  
Vol 58 (4) ◽  
pp. 525-529
Author(s):  
Latha A ◽  
Chijina K ◽  
Asha V Pillai
Keyword(s):  
Field Experiments ◽  
Block Design ◽  
Soil Nutrient ◽  
Nutrient Status ◽  
Nutrient Content ◽  
Plant Nutrient ◽  
Yield Attributes ◽  
Nutrient Contents ◽  
Pooled Data ◽  
Randomized Block Design

The field experiments were conducted in farmer's field at five locations each of kole lands to study the effect of Magnesium (Mg) on yield and soil and plant nutrient status of rice during 2012-2013 and 2013-2014. The experiment was laid out in randomized block design with three replications. The treatments comprised of different levels of Mg viz; 40, 60, 80, 100, and 120 kg Magnesium sulphate(MgSO4)/ha along with control. Observations on growth characters yield attributes, yield and soil and plant nutrient status were recorded. The results revealed that application of 100 kg MgSO4 / ha recorded the maximum number of panicles/m2 (419.13), number of grains/panicle (109.36), thousand grain weight (28.78 g), grain (9.27 t/ha) and straw yield (9.04 t/ha) of rice. The results of pooled data on plant and soil nutrient status revealed that application of magnesium had a positive effect on nutrient content and availability of nutrients in soil. A significant positive correlation was also noticed between Mg application, yield attributes, yield and nutrient contents. The study concluded that application of 100 kg MgSO4 / ha was found to be optimum for correcting the deficiency in Mg deficient areas of kole lands under below sea level farming.

scholarly journals Efficacy of Bacterial or Fungal Soil Amendments on Vegetables Following Peanut

HortScience ◽  
2006 ◽  
Vol 41 (6) ◽  
pp. 1395-1399
Author(s):  
Vincent M. Russo
Keyword(s):  
Mycorrhizal Fungi ◽  
Field Experiments ◽  
Nutrient Content ◽  
Field Trials ◽  
Growth Cycle ◽  
Bell Pepper ◽  
Vegetable Crops ◽  
Marketable Yield ◽  
Navy Bean ◽  
Fertilizer Rate

Amendment of soil with microorganisms during the growth cycle of one crop may affect development of succeeding crops. Species of Rhizobium bacteria or abuscular-mycorrhizal fungi were added alone to, or in combination with, potting soil in pots in a greenhouse. Controls were no amendments. Seed of peanut (Arachis hypogaea L.) were planted and two levels of a combination NPK fertilizer, the recommended and one-fourth the recommended rate, were applied. After harvest of peanut and remoistening of soil, seed of the bell pepper (Capsicum annuum L.) or navy bean (Phaseolus vulgaris L.) were sown into the same planting medium in pots without additional inoculation with microbes. Dry weights of above-ground vegetative and edible portions of crops were determined. Inoculum type only affected peanut top and total dry weights. The recommended fertilizer level did not affect peanut yield but did cause improvement in bell pepper and navy bean yield over that of the deficient fertilizer rate. In field experiments, peanut was planted into soil receiving Rhizobium spp. bacteria, or arbuscular-mycorrhizal fungi alone or in combination. Controls consisted of no amendment. Only the recommended fertilizer rate was used. In the next 2 years, bell pepper or navy bean were established in plots without use of additional microbial amendment. Yields and nutrient contents of crops were determined. Type of inoculum did not affect yield or nutrient content in any crop. Bell pepper marketable yield was unaffected by year, and navy bean seed yield was higher in 2004 than in 2005. In both years, navy bean yields were below U.S. averages. Concentrations of most nutrients in edible portions of bell pepper and navy bean were lower in 2004 than in 2005. Results of the field trials were generally similar to those of greenhouse studies. Use of inocula did not provide substantial benefits to yield or nutrient content of peanut or vegetable crops that followed.

THE BIOLOGY OF CANADIAN WEEDS: 7. Myrica pensylvanica Loisel.

1975 ◽  
Vol 55 (1) ◽  
pp. 163-169 ◽  
Author(s):  
IVAN V. HALL
Keyword(s):  
Prince Edward Island ◽  
Salt Spray ◽  
Sandy Soils ◽  
Lateral Growth ◽  
Soil Series ◽  
Maritime Provinces ◽  
Vaccinium Angustifolium ◽  
Lowbush Blueberry ◽  
Myrica Pensylvanica

Myrica pensylvanica Loisel., bayberry (Myricaceae) is a native shrub occurring mainly along or near the seacoast of the Maritime Provinces. M. pensylvanica grows on light sandy soils that are highly acidic, and is the major weed problem of lowbush blueberry (Vaccinium angustifolium Ait. and V. myrtilloides Michx.) fields developed on the Culloden soil series in Prince Edward Island. Lateral growth of M. pensylvanica is by rhizome, and following burning, new shoots grow from dormant buds of the stem or rhizome. Due to the waxy nature of the upper surface of the leaves, M. pensylvanica is quite resistant to salt spray and the herbicides 2,4-D and 2,4,5-T in oil applied to cut branches will control this weed.

Effect of sawdust mulch on yields of select clones of lowbush blueberry

1991 ◽  
Vol 71 (4) ◽  
pp. 1263-1266 ◽  
Author(s):  
K. R. Sanderson ◽  
J. A. Cutcliffe
Keyword(s):  
Key Words ◽  
Prince Edward Island ◽  
Total Yield ◽  
Vaccinium Angustifolium ◽  
Plant Survival ◽  
Berry Weight ◽  
Lowbush Blueberry ◽  
Significant Difference

The effect of sawdust mulch applied at 0-, 5- and 10-cm depths on yield of select clones of lowbush blueberry (Vaccinium angustifolium Ait.) was studied in Prince Edward Island for three consecutive cropping cycles from 1985 to 1989. Sawdust applied post-plant, as a mulch, at a depth of 5 cm increased the total yield of the first three harvests by approximately 30% compared to the 0-cm mulch. Mean berry weight was also increased where sawdust was applied. There was not significant difference in yield between the 0- and 10-cm sawdust application treatments. The 10-cm sawdust mulch reduced plant survival by 23% compared with the check. Key words: Lowbush blueberry, Vaccinium angustifolium Ait., select clone, sawdust mulch, yield

THE BIOLOGY OF CANADIAN WEEDS. 2. SPIRAEA LATIFOLIA

1974 ◽  
Vol 54 (1) ◽  
pp. 141-147 ◽  
Author(s):  
I. V. HALL ◽  
R. A. MURRAY ◽  
L. P. JACKSON
Keyword(s):  
Soil Moisture ◽  
Moisture Content ◽  
New Brunswick ◽  
Prince Edward Island ◽  
Soil Moisture Content ◽  
Mechanical Damage ◽  
Growing Season ◽  
Eastern Canada ◽  
Vaccinium Angustifolium ◽  
Lowbush Blueberry

Spiraea latifolia (Ait.) Borkh., broad-leaved meadowsweet (Rosaceae), is a weed of pastures, lowbush blueberry (Vaccinium angustifolium Ait. and V. myrtilloides Mich.) fields and cranberry (V. macrocarpon Ait.) bogs of Eastern Canada, especially where soil moisture content is high during the growing season. Where S. latifolia occurs, other vegetation is lacking or depressed. Much time is lost in harvesting lowbush blueberries due to jamming of the S. latifolia stems among the tines of the rake or in cranberries due to mechanical damage to the harvesters. In Canada, S. latifolia occurs in Newfoundland, Prince Edward Island, Nova Scotia, New Brunswick, Quebec, Ontario, and Manitoba.

EFFECTS OF FERTILIZER APPLICATION, PRECEDED BY TERBACIL, ON GROWTH, LEAF NUTRIENT CONCENTRATION, AND YIELD OF THE LOWBUSH BLUEBERRY, Vaccinium angustifolium Ait.

1981 ◽  
Vol 61 (4) ◽  
pp. 961-964 ◽  
Author(s):  
JOHN M. SMAGULA ◽  
AMR A. ISMAIL
Keyword(s):  
Nutrient Concentration ◽  
Fertilizer Application ◽  
Stem Length ◽  
Fertility Rates ◽  
Vaccinium Angustifolium ◽  
Leaf Analysis ◽  
Lowbush Blueberry ◽  
K Concentration ◽  
Fertilizer Rates ◽  
Leaf Nutrient Concentration

Terbacil (3-tert-butyl-5-chloro-6-methyluracil) (2.2 kg/ha) and five fertilizer rates (0, 45, 90, 135 or 180 kg N/ha in a 1:1:1 ratio) were applied pre-emergence to commercial lowbush blueberry fields at five locations. Leaf analysis indicated that N, P, and K concentration increased with increasing fertilizer rates; however, Mg concentrations decreased at rates higher than 45 kg N/ha. Stem length and branching increased linearly with increasing fertility rates. Although fruit bud formation was unaffected, yield was reduced by all fertilizer treatments.

scholarly journals Evaluation of foramsulfuron for poverty oat grass [Danthonia spicata (L.) P. Beauv. ex Roem. & Schult.] and rough bentgrass (Agrostis scabra Willd.) management in lowbush blueberry (Vaccinium angustifolium Ait.)

2019 ◽  
Vol 99 (6) ◽  
pp. 942-954
Author(s):  
Scott N. White ◽  
Linshan Zhang
Keyword(s):  
Dose Response ◽  
Field Experiments ◽  
Additional Research ◽  
Vaccinium Angustifolium ◽  
Industry Standard ◽  
Application Rates ◽  
Lowbush Blueberry ◽  
Similar Dose ◽  
Grass Biomass ◽  
Dose Response Study

The susceptibility of poverty oat grass and rough bentgrass to foramsulfuron was assessed in greenhouse and field experiments. A dose response study was conducted in a greenhouse with treatments consisting of 0, 4.4, 8.8, 17.5, 35, 70, 140, and 280 g foramsulfuron ha−1. Field experiments were conducted using a similar dose response and also included industry standard fluazifop-P-butyl and sethoxydim applications. Foramsulfuron application rates of 4.04 ± 0.73 and 6.6 ± 1.3 g a.i. ha−1 reduced poverty oat grass biomass by 50% in the greenhouse. In contrast, 4.4 g a.i. ha−1 foramsulfuron caused >70% reduction in rough bentgrass biomass in the greenhouse. In the field, 280 g a.i. ha−1 of foramsulfuron was required to reduce poverty oat grass total and flowering tuft density and >35 g a.i. ha−1 (registered foramsulfuron rate) was required to reduce flowering tuft inflorescence number by 50%. In contrast, rough bentgrass was injured by 4.4 and 8.8 g a.i. ha−1 of foramsulfuron and total and flowering tuft density and flowering tuft inflorescence number were reduced by all other foramsulfuron rates evaluated. Foramsulfuron application rates of 13.1 ± 2.4, 10.3 ± 1.2, and 5.4 ± 0.9 g a.i. ha−1 reduced rough bentgrass total tuft density, flowering tuft density, and tuft inflorescence number, respectively, by 50%. Lowbush blueberry growers can consider foramsulfuron for postemergence management of rough bentgrass, but additional research is required to identify new herbicides for postemergence poverty oat grass management.

THE RESPONSE OF NATIVE STANDS OF LOWBUSH BLUEBERRY IN NEWFOUNDLAND TO NITROGEN, PHOSPHORUS, AND POTASSIUM FERTILIZERS

1965 ◽  
Vol 45 (2) ◽  
pp. 145-152 ◽  
Author(s):  
A. F. Rayment
Keyword(s):  
Vegetative Growth ◽  
Average Yield ◽  
Vaccinium Angustifolium ◽  
Yield Increase ◽  
Lowbush Blueberry ◽  
Berry Size ◽  
Fruit Maturity ◽  
Phosphorus And Potassium ◽  
Nitrogen Phosphorus ◽  
Muriate Of Potash

Native Newfoundland stands of lowbush blueberries (Vaccinium angustifolium Ait.) were fertilized with ammonium nitrate, superphosphate, and muriate of potash in various combinations. Nitrogen caused earlier fruit maturity, increased berry size, and generally reduced fruit numbers, especially when in combination with added phosphorus. When nitrogen was used alone at 50 lb per acre, it gave an average yield increase of over 50% in the first pickings.When phosphorus and potassium were used together in the absence of nitrogen, there was an increase in fruit numbers resulting in higher yield. Combination of phosphorus with nitrogen was accompanied by increased vegetative growth of the blueberry and associated plants and decreased yields.

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