Nutritional Relationship between Nitrogen and Sulfur in Cabbage (Brassica oleracea L. var. capitata L.)

Hara, Tetsuo; Sugimoto, Koji; Sonoda, Yoji

doi:10.2503/jjshs.50.60

Cited by 3 publications

(1 citation statement)

References 8 publications

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“…The results are in close conformity with those of Hara et al, (1981), Bijania and Dixit (1996), Bhagavatagoudra and Rokhade (2001) and Gautam (2012).The fresh weight of leaves and knob, knob: leaf ratio and total yield (q/ha) increased significantly with increasing levels of sulphur. The maximum fresh weight of leaves (156.86 g), knob (133.37 g), knob: leaf ratio (1.18) and total yield (223.64 q/ha) was recorded in 60 kg sulphur per ha while miminum was recorded in control (70.35g, 72.71 g, 0.97 and 156.70 q/ha).…”

Section: Effect Of Sulphur On Yield Attributessupporting

confidence: 75%

Influence of Sulphur and Spacing on Growth and Yield Attributes of Knol-Khol (Brassica oleracea Var. Gongylodes L.) Var. Early White Viana

Bairwa¹,

Singh²,

Mahawar³

et al. 2017

Int.J.Curr.Microbiol.App.Sci

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Section: Effect Of Sulphur On Yield Attributessupporting

confidence: 75%

Influence of Sulphur and Spacing on Growth and Yield Attributes of Knol-Khol (Brassica oleracea Var. Gongylodes L.) Var. Early White Viana

Bairwa¹,

Singh²,

Mahawar³

et al. 2017

Int.J.Curr.Microbiol.App.Sci

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Fertilizer effects on yield, mineral and amino acid composition, dietary fibre content and nutritive value of leeks

Eppendorfer¹,

Eggum

1996

Plant Food Hum Nutr

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In pot experiments with greatly differing rates of N, P, S, K and Ca, dry matter (DM) yields of leek stems varied from 25 to 164 g/pot. Total-N and NO3-N concentrations varied from 1.18 to 3.56% and from 10 to 1515 ppm in DM, respectively. Both N applications and P and K deficiency greatly increased total-N and NO3-N content. S applications increased total-S content from 0.047 to 0.359% in DM, of which between approximately 100 to 25% were found in methionine+cystine. Total-N/total-S ratios decreased from 57 to 6 with the highest S level. P and K applications increased their respective content in DM two- and threefold. Severe Ca deficiency reduced Ca content from 0.495 to 0.045%. Iron, zinc, manganese and copper contents varied from 33-69, 14-26, 11-34 and 3.1-5.7 ppm in DM, respectively. Increasing N contents, whether due to N applications or P or K deficiency, decreased the content of all essential and some other amino acids in crude protein. Both S and severe P deficiency had a pronounced negative effect on amino acid composition and chemical score. Only glutamic acid (glutamine) and arginine were increased by increasing N contents. However, expressed as g/kg DM the concentrations of all amino acids were positively correlated with protein content. S and P deficiency reduced total dietary fibre (TDF) content of DM from 28.3 to 18.6% and 17.4%, respectively, of which between 53 and 60% were insoluble dietary fibre (IDF). Digestible energy (DE) was positively correlated with protein content (r = 0.90**). In N-balance trials with rats, increasing protein concentrations (50% of total protein given as casein and supplemented with 1% methionine) raised the true digestibility (TD) of the protein from 44 to 72%. The biological value (BV) of protein was generally high, with a mean of 91.7. N deficiency tended to increase and S deficiency tended to decrease the BV.

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Effects of Nitrogen, Phosphorus and Potassium in Culture Solution on the Head Yield and Free Sugar Composition of Cabbage

Hara

1989

Engei Gakkai zasshi

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SummaryCabbage plants were grown for about 2 months in a culture solution containing 3 levels of nitrogen (5, 50, 500 ppm), phosphorus (2, 20, 200 ppm) and potassium (5, 50, 500 ppm), and effects of the supply on head yield and free sugar composition of the plants were studied.Plant dry weight and head yield increased with the increase of N (5.50 ppm), P (2 -.-20 ppm) and K (5.50 ppm) in the culture solution , and decreased at the highest level of each element.Nitrogen, phosphorus and potassium contents in plants increased greatly with the increase of levels of each element. Fructose, glucose and sucrose contents of plants decreased with the increase of nitrogen levels, and the decrease of sucrose was great.In the phosphorus and potassium treatment, fructose and glucose contents did not change remarkably but sucrose content was the highest at 20 ppm of P and at 50 ppm of K. Fructose content was higher in head leaves than in outer leaves. There was close correlation between head yield and sucrose content in the outer leaves in all treatments with the exception that 5 ppm N.Nitrogen deficiency caused an increase of free sugar content, especially of sucrose. IntroductionCabbage plants produce large heads when suitable amounts of mineral nutrients are supplied.When phosphorus and potassium are deficient, head yield and sugar content decrease, but the sugar content increases in the many cases of nitrogen deficiency. Under ordinary conditions, ratios of nitrogen content to other nutrient contents and to carbohydrate contents are a main factor in determining the head production of cabbage plants(4). Normal cabbage heads contain a large amount of minerals, sugars and vitamins, and thus have good qualities and high commercial value as a vegetable.Sweet taste is one of the important factors in estimating the quality of cabbage heads. Free sugars are responsible for the sweet taste, because they are the largest part of carbohydrates of the head.The main free sugars in cabbage plants are glucose, fructose and sucrose, and proportions of these sugars are influenced by cultural conditions(6).If the Receive d for publication October 26, 1987.

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Nutritional Relationship between Nitrogen and Sulfur in Cabbage (Brassica oleracea L. var. capitata L.)

Cited by 3 publications

References 8 publications

Influence of Sulphur and Spacing on Growth and Yield Attributes of Knol-Khol (Brassica oleracea Var. Gongylodes L.) Var. Early White Viana

Influence of Sulphur and Spacing on Growth and Yield Attributes of Knol-Khol (Brassica oleracea Var. Gongylodes L.) Var. Early White Viana

Fertilizer effects on yield, mineral and amino acid composition, dietary fibre content and nutritive value of leeks

Effects of Nitrogen, Phosphorus and Potassium in Culture Solution on the Head Yield and Free Sugar Composition of Cabbage

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