Silicium, ein für die Pflanzen „nützliches”︁ Element

Fidanovski, F.

doi:10.1002/jpln.19681200306

Cited by 8 publications

(7 citation statements)

References 35 publications

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“…Inversely, the basic slag was very poor in P, but contained abundantly Si which was shown in several studies (reviewed e.g. by Fidanovski (1968)) to intensify plant growth.…”

Section: Discussionmentioning

confidence: 92%

Peat ash and basic slag as substitutes for lime with reference to phosphorus uptake by turnip rape

Hartikainen

1984

AFSci

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Abstract. The effect of peat ash and basic slag on the P supply to turnip rape was compared with that of calcitic and dolomitic limestone in a pot experiment performed with two acid mineral soils of pH 4.8 (CaCl 2 ). Changes in soil properties induced by various liming agents were investigated in an analogous incubation test, and the results served to interpret the observations made in the pot experiment.When the liming materials were added in equal quantities, their ability to reduce soil acidity decreased in the sequence: calcite > dolomite > basic slag > peat ash. However, their growth-promoting effect appeared only in the second year and was not related to the neutralizing ability. In the muddy fine sand soil (3.0 % of org. C) poor in water-soluble P, the peat ash and basic slag were equally effective as calcite in increasing the dry matter yields. In the fine sand soil (6.4 % of org. C), the basic slag and dolomite significantly increased the second yield.The efficiency of peat ash and basic slag seemed to be attributable to their positive impact on P resources. In fact, peat ash served as a slowly acting P-fertilizer rather than as a liming agent. In the basic slag treatment, an increased silicate concentration obviously resulted in desorption of P. In the P-deficient muddy fine sand, the peat ash was equivalent to calcite in intensifying the P uptake. On the other hand, in the fine sand soil where the polymerization of Al due to an increased pH obviously resulted in enhanced P retention, the P uptake was higher in the soils treated with peat ash and basic slag than in those amended with conventional liming agents.

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“…Inversely, the basic slag was very poor in P, but contained abundantly Si which was shown in several studies (reviewed e.g. by Fidanovski (1968)) to intensify plant growth.…”

Section: Discussionmentioning

confidence: 92%

Peat ash and basic slag as substitutes for lime with reference to phosphorus uptake by turnip rape

Hartikainen

1984

AFSci

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“…Fidanovski (1968) also reports that silica contents in the range of 7 to 13 percent are found in the husk and the awn of small grains.…”

mentioning

confidence: 94%

“…In classical Norwegian works (Garder 1930, Seme 1943, and in a number of works referred to by Fidanovski (1968) and others, silica has increased the solubility of soil phosphorus. In some cases this could explain the positive yield response to silicate application (Fidanovski 1968).…”

mentioning

confidence: 99%

“…Several first rate published review articles concerning silicates in plants and its effect upon plant growth are available: Fidanovski (1968), Lewin and Reimann (1969), Jones and Handreck (1967). A more detailed treatment of silica in soils is given by McKeague and Cline (1963).…”

mentioning

confidence: 99%

“…In some cases this could explain the positive yield response to silicate application (Fidanovski 1968). A possible substitution of silica for phosphorus in the plants has been investigated.…”

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confidence: 99%

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The effect of calcium silicate in barley pot experiments

Uhlen

1974

AFSci

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Abstract. In a greenhouse pot experiment lasting five years, 14 tons per hectare of calcium silicate (12 % Ca) were compared with an equivalent calcium hydroxide application, 3.2 t/ha, on a loam soil (*A*). Also, the experiment included excess liming with 16 t Ca(OH) 2 /ha, with and without the addition of the 14 tons of the calcium silicate material. A two year experiment with silicate and lime was conducted on another loam soil (»B»),The silicate application produced higher yields of barley grain and straw; the effect being proportionately higher than that of an equivalent Ca(OH) 2 application. Neither a yield depression caused by an excess lime excess potassium treatment nor a yield reduction due to boron application in the lowlime series could be counteracted by silicate application (soil »A»), Significant yield increases for silicate and for lime were found in the 4th and sth years after application, although the effects were reduced compared to the responses during the first 3 years.The silica content of barley grain and straw increased considerably after silicate application. In the first year, for example, the percent of Si0 2 on straw dry matter rose from less than 1 percent to 7 percent. The silica treatments and the large Si0 2 uptake, apparently had no direct effects upon the phosphorus, calcium, potassium or the magnesium content of the barley crops, although the silicate seemed to improve the soil phosphorus availability.In the high-lime series, potassium applications in the first two years of the experimental period roughly doubled the silica content of barley straw and grain, whereas such an effect by the potassium fertilizers was absent in the low-lime series for both soil (»A») and (»B»).After the five year cropping period, lime and silicate were found to have influenced the soil aggregate size distribution percentages, and had markedly improved the water stability of the soil aggregates.Introduction.

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Einfluß der Ernährung der Pflanzen mit Mineralstoffen auf den Befall mit parasitären Krankheiten und Schädlingen. Sammelreferat

Krauss

1969

J Plant Nutrition & Soil

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The conventional method of water supply by watering up to a defined weight in pot plantings experiments causes a relative high expenditure of work representing a noticeable mess, especially on week-ends. Because of these difficulties, pot planthgs far away from the institute as well as in larger a r e a could not be realized in the past by using the conventional watering method.For this reason a method has been developed whereby the water for the plants can be taken our of a supply vessel adequate to water requirements. In this system a suction pressure gradient between the soil and a ceramic filter-cylinder placed into the experimental vessel results from the evapotranspiration of the pots. By an intact hydrostatic connection between the reservoir and the ceramic filter the automatic water supply is guaranted. With growing planta in the pot's h i s arrangement was at work about 14 days without any service.Jede einseitige Ernahrung der Pflanzen verursacht Veranderungen im morphologischen Aufbau, an der stofflichen Zusammensetzung der Zellen und im Stoffwechsel der Pflanzen, die um so groiSer sind, je weiter die jeweilige Ernahrung vom optimalen Zustand entfernt ist.Durch Diingung und die damit verbundenen Veranderungen der Pflanze im morphologischen und stoff lichen Aufbau kann die Disposition gegenuber einem Krankheitsbefall sowohl in Richtung erhohter Anfalligkeit als auch in Richtung erhohter Widerstandsfahigkeit verschoben werden, sofern die Pflanzen nicht hoch anfallig oder hoch resistent gegeniiber Krankheitserregern sind.Der befallsfordernde bzw. der befallshemmende Einflufi der Ernahrung der Wirtspflanze mit Mineralstoffen hangt jedoch ab von der Art des Krankheitserregers und dessen Befallscharakteristik, wobei einzelne Nahrstoff e spezielle Wirkungen in der Beziehung Wirt-Parasit ausiiben konnen.

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Silicium, ein für die Pflanzen „nützliches”︁ Element

Cited by 8 publications

References 35 publications

Peat ash and basic slag as substitutes for lime with reference to phosphorus uptake by turnip rape

Peat ash and basic slag as substitutes for lime with reference to phosphorus uptake by turnip rape

The effect of calcium silicate in barley pot experiments

Einfluß der Ernährung der Pflanzen mit Mineralstoffen auf den Befall mit parasitären Krankheiten und Schädlingen. Sammelreferat

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