Chemical evaluation of vegetables grown with conventional or organic soil amendments

Svec, L. V.; Thoroughgood, Carolyn; Mok, Hyo Chung S.

doi:10.1080/00103627609366634

Cited by 27 publications

(11 citation statements)

References 2 publications

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“…Despite the differences in some of the macronutrients, there was no significant difference in the yield (total production during 4 weeks) of ripe tomatoes from different treatments as shown in Table 2, (Heeb et al, 2005), which suggests that the macronutrients were available to the plants in the required amounts from all forms of fertilisers during fruit formation. This observation is similar to the previous studies who have reported a nonsignificant difference in the yield of vegetable crops grown using organic and inorganic fertilisers (Haworth, 1961;Nilsson, 1979;Svec et al, 1976).…”

Section: Yields and Macronutrient Composition Of Red Tomatoessupporting

confidence: 93%

Influence of different types of fertilisers on the major antioxidant components of tomatoes

Toor

Savage

Heeb

2006

Journal of Food Composition and Analysis

253

150

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Section: Yields and Macronutrient Composition Of Red Tomatoessupporting

confidence: 93%

Influence of different types of fertilisers on the major antioxidant components of tomatoes

Toor

Savage

Heeb

2006

Journal of Food Composition and Analysis

253

150

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“…Also, the current results are in agreement with other research indicating that organic fertilizer, applied to a range of vegetable crops, produced similar yields to those produced by chemical fertilizers (Haworth 1961;Svec et al 1976;Nilsson 1979). …”

Section: Crop Yield Datasupporting

confidence: 82%

Comparison of four organic amendments with a chemical fertilizer applied to three vegetables in rotation

Blatt¹,

McRae²

1998

Can. J. Plant Sci.

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. 1998. Comparison of four organic amendments with a chemical fertilizer applied to three vegetables in rotation. Can. J. Plant Sci. 78: 641-646. Field research, conducted for six seasons (1991)(1992)(1993)(1994)(1995)(1996) on one soil type, compared organic amendments (three formulations of fish bone meal (FBM) and a marine sediment enriched with fish, lobster, and crab meal) with an NPK chemical fertilizer (17-17-17) and a zero-N control (0-17-17). Each fertilizer material was applied preplant at 80 kg N ha -1 to the same plot for six seasons that spanned two cycles of a three-crop rotation of seeded carrots, green beans, and transplanted cabbage. In plots receiving the organic amendments, soil pH and Ca increased over time compared with those plots receiving 17-17-17. The increase of soil Mg was greatest in plots receiving the fortified marine sediment treatment. Soil and leaf K values were lowest with the FBM treatment, reflecting its low K composition (6-10-1). Soil and foliar P values from the organic amendment plots were higher than those from the 17-17-17 plots. Foliar N, Ca, Mg, Fe, and B were not consistently affected by 17-17-17 or the organic amendments, but foliar Mn was higher in crops receiving 17-17-17. Marketable yields of cabbage and carrots in plots receiving the organic amendments were comparable with those from 17-17-17, but marketable yields of green beans were consistently higher in plots receiving 17-17-17. Soil and foliar results indicate that the cumulative effect of repeated application of these organic amendments is not detrimental to plant growth, and that these amendments produce marketable yields of cabbage and carrot equivalent to those of the chemical fertilizer. . Dans les parcelles recevant les fertilisants organiques, le pH et la teneur en Ca du sol augmentaient en fonction du temps par rapport aux parcelles fertilisées au 17-17-17. L'accroissement le plus prononcé de la teneur en Mg du sol se manifestait dans le traitement au sédiment marin enrichi. Les teneurs en K du sol et des feuilles atteignaient leur niveau le plus bas dans le traitement à la farine d'arêtes, résultat de la faible composition en K de cette préparation : 6-10-1. Les concentrations de P dans le sol et dans les feuilles étaient plus hautes dans les parcelles traitées aux fertilisants organiques que dans celles recevant le 17-17-17. Les teneurs foliaires en N, Ca, Mg, Fe et B ne démontraient pas de différences soutenues selon qu'on employait l'engrais minéral ou un fertilisant organique, mais les teneurs en Mn étaient plus élevées avec le premier. Les rendements marchands de choux et de carottes dans les parcelles avec fumure organique étaient comparables à ceux obtenus avec le 17-17-17 mais ceux du haricot étaient régulièrement plus élevés avec l'engrais minéral. Il découle de ces observations que l'effet cumulatif d'apports répétés de ces fertilisants organiques ne cause pas de faits adverses sur la croissance des végétaux et que les rendements marchands de choux et de carottes qu'on en retire équiv-alen...

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“…These increases may beattributed togeneticimprovements andadvances in culturalpractices such as the use of N fertilisers (Adams 1986). ModerateapplicationsofN fertilisers increase tomato yields (Adams et al 1978) with optimum fieldrates usuallybetween 75 and 100kg N/ha.Fewreportsare available on thecomparative yieldresponses of tomatoes 10 inorganic or organic N fertilisers, although Svec et al (1976) observed no difference in tomato yields when plants were supplied withinorganic or organic N fertilisers.…”

Section: Introductionmentioning

confidence: 98%

Effects of forms and rates of organic and inorganic nitrogen fertilisers on the yield and some quality indices of tomatoes (Lycopersicon esculentumMiller)

Montagu

Goh

1990

New Zealand Journal of Crop and Horticultural Science

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Chemical evaluation of vegetables grown with conventional or organic soil amendments

Cited by 27 publications

References 2 publications

Influence of different types of fertilisers on the major antioxidant components of tomatoes

Influence of different types of fertilisers on the major antioxidant components of tomatoes

Comparison of four organic amendments with a chemical fertilizer applied to three vegetables in rotation

Effects of forms and rates of organic and inorganic nitrogen fertilisers on the yield and some quality indices of tomatoes (Lycopersicon esculentumMiller)

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