Plant Spacing Influences Yield of Vegetable Amaranth

Mortley, Desmond G.; Rhoden, E. G.; Khan, V. A.

doi:10.17660/actahortic.1992.318.29

Cited by 4 publications

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“…Seeds of all four species were sown in moist commercial Jiffy Mix (Jiffy Produces of America Inc., Batavia, IL) medium in TLC Pro-Trays transplant flats (TLC Polyform, Inc., Plymouth, MN) and covered with 0.6 cm of the medium. Flats were placed in a greenhouse watered as needed and seeds germinated within 5 to 7 d. Seedlings were grown for 6 weeks after which they were transplanted into three-row plots of 1.2 m 3 6 m at the recommended plant spacing (Harrison et al, 2004;Mortley et al, 1992) for each species and moisture supplemented with drip irrigation.…”

Section: Methodsmentioning

confidence: 99%

Hydrolyzed Organic Fish Fertilizer and Poultry Litter Influence Total Phenolics and Antioxidants Content but Not Yield of Amaranth, Celosia, Gboma, and Long Bean

Staley¹,

Mortley²,

Bonsi³

et al. 2013

horts

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Dietary intake of a variety of vegetables is very important for disease prevention and may help in the treatment of certain maladies. Experiments were conducted to evaluate yield and the content of antioxidants and phenolics of vegetable Amaranth (Amaranthus hybridus), Celosia (Celosia argentea), Gboma (Solanum macrocarpon), and Long Bean (Vigna unguiculata) in response to poultry litter (PL) and a hydrolyzed fish fertilizer [Megabloom (MB)]. The experiments were conducted as a randomized complete block design with a four × three factorial treatment and four replications. The treatments were applied based on soil test recommendations in a single band 15 to 20 cm away from the plants 1 week after transplanting. Plants were harvested sequentially during the season as foliage and fruits became physiologically mature and once over at the end of the season. Species were analyzed for vitamin C content, total phenolics, and β-carotene content as well as antioxidant capacity. Organic amendments did not significantly influence biomass production, whereas species impacted fresh and dry biomass. Amaranth, Celosia, and Long Bean produced greater fresh and dry biomass than did Gboma. Vitamin C content was highest among Amaranth and Celosia plants receiving nitrogen–phosphorus–potassium (NPK) compared with the other two treatments, whereas that of Gboma was higher among plants receiving MB.

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Section: Methodsmentioning

confidence: 99%

Hydrolyzed Organic Fish Fertilizer and Poultry Litter Influence Total Phenolics and Antioxidants Content but Not Yield of Amaranth, Celosia, Gboma, and Long Bean

Staley¹,

Mortley²,

Bonsi³

et al. 2013

horts

Self Cite

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“…Baloch et al (2001) observed that increasing plant spacing increased the nutrient area per plant and this led to increase in morphological characters. Mortley et al (1992) noted that stem diameter increased linearly as spacing between plants increased and that fresh weight yields are highest at closer within-row spacing. Pandey et al (1996) observed the highest plant height in narrow spacing in tomato hybrids, while wider spacing had the highest number of primary branches per plant.…”

Section: Introductionmentioning

confidence: 99%

Influence of Poultry Manure Rates and Spacing on Growth, Yield, Nutrient Concentration , Uptake and Proximate Composition of Onion (Allium cepa L.)

Falodun¹,

Egharevba²

2018

Not Sci Biol

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Plant spacing determines to a greater extent crop performance in terms of growth and yield. The production of crop with organic fertilizer also plays a vital role in organic agriculture. Field studies were conducted to evaluate the effects of spacing and poultry manure on the growth, yield and quality of onion. Three spacing regimes were carried out consisting of 15 cm × 15 cm, 20 cm × 20 cm and 25 cm × 25 cm and four levels of poultry manure at 0, 5, 10 and 15 t /ha. The effects of spacing and poultry manure were evaluated for two years based on plant growth, yield, nutrient concentration, uptake and proximate composition of onion plant. Leaf thickness, bulb and shoot fresh weights were significantly increased by the wider spacing of 20 cm × 20 cm and 25 cm × 25 cm, compared with the narrower spacing of 15 cm × 15 cm in both seasons. However, the highest total dry yield (1.82 and 1.58) t/ha, shoot yield (2.31 and 1.32) t/ha and total fresh yield (13.69 and 12.55) t/ha were obtained with the spacing of 20 cm × 20 cm in both years. Similarly, application of poultry manure increased leaf thickness, bulb and shoot fresh weights and yields compared with the control. Generally, using 10 t/ha poultry manure has a superior effect on proximate composition and most of growth parameters and yield components achieved the highest nutrient concentrations and uptake on most of the macro and micronutrients in leaves and bulbs as compared with the control in both years.

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Variety and Maturity Affect Amaranth Forage Yield and Quality

Stordahl

DiCostanzo

1999

Journal of Production Agriculture

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Little information is available on the forage potential of improved amaranth (Amaranthus sp.) cultivars. Our objectives were to determine the effect of maturity on forage yield and forage quality of A. cruentus L. and A. hypochondriacus L. and to evaluate forage quality of leaf, stem, and inflorescence fractions at two maturity stages. Field experiments were conducted on a Waseca silt loam (fine‐loamy, mixed, mesic Cumulic Haplaquolls) and on a Waukegan silt loam (fine‐silty over sandy skeletal, mixed, mesic Typic Hapludoll). Amaranth dry matter yield was 1.3 tons/acre at 8 wk after planting (WAP), increased with each subsequent harvest, and peaked at 4.4 tons/acre and 4.1 tons/acre at 16 and 14 WAP in 1988 and 1989, respectively. Forage quality decreased as maturity increased from bud to flowering. Crude protein (CP) was greatest (average of 23%) at 8 WAP when amaranth was vegetative and decreased with maturity to about 13%. Forage neutral detergent fiber (NDF) and acid detergent fiber concentrations (ADF) were about 36 and 26% at 8 WAP and increased as plants matured. Amaranth had nearly equal proportions of leaf and stem material when vegetative. When harvest was delayed until inflorescence development, the leaves averaged only 13.4% of the total forage and stems averaged 42.9%. Leaves had greater CP and less fiber concentration than stems. The decline in whole plant quality with maturity was associated with a decrease in CP concentration of leaf and stem fractions and an increase in both NDF and ADF concentrations of stems. Amaranth entries differed in forage quality, but vegetable types were not superior to grain types. Research Question There is often a shortage of quality forage during the summer in the Midwest. Amaranth has potential as an alternative summer forage source, but its forage yield and forage quality potential have not been evaluated. Our objectives were to evaluate the effect of maturity on forage yield and quality of diverse amaranth entries and to determine the quality of leaf, stem, and inflorescence of amaranth harvested at two stages of maturity. Literature Summary Amaranth, a warm season crop, is used extensively throughout the world as a grain and vegetable food for human consumption. It has not been evaluated in the Midwest as a forage crop. Several reports indicate that Amaranthus species have relatively high forage quality that is similar to quality of alfalfa forage. Amaranth entries have been developed for grain and vegetable production. Study Description Field studies were conducted in 1988 and 1989 in southern Minnesota on silt loam soils. In one study, four amaranth entries (two grain and two vegetable types) were established in spring, and forage yields were measured at 2‐wk intervals from 8 wk after planting (WAP) until a frost (32°F) in the fall. Forage sub‐samples were analyzed for crude protein (CP), neutral detergent fiber (NDF), and acid detergent fiber (ADF). In a second study, nine amaranth entries were harvested at two stages: at late vegetative to early bud, and at m...

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Plant Spacing Influences Yield of Vegetable Amaranth

Cited by 4 publications

References 0 publications

Hydrolyzed Organic Fish Fertilizer and Poultry Litter Influence Total Phenolics and Antioxidants Content but Not Yield of Amaranth, Celosia, Gboma, and Long Bean

Hydrolyzed Organic Fish Fertilizer and Poultry Litter Influence Total Phenolics and Antioxidants Content but Not Yield of Amaranth, Celosia, Gboma, and Long Bean

Influence of Poultry Manure Rates and Spacing on Growth, Yield, Nutrient Concentration , Uptake and Proximate Composition of Onion (Allium cepa L.)

Variety and Maturity Affect Amaranth Forage Yield and Quality

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