A kálium, bór és stroncium elemek közötti kölcsönhatások vizsgálata lucernában

Translated title of the contribution: Analysis of interactions between potassium, boron and strontium in alfalfa

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Interactions between the elements potassium, boron and strontium were analysed in alfalfa grown on a pseudomyceliar (calcareous) chernozem soil at the Experimental Station of the institute in Nagyhörcsök (Mezoföld) between 1991 and 1994. Before the alfalfa was sown, a basal dose of 400 kg P2O5ha-1 was applied in the form of superphosphate. The K levels were adjusted with repeated doses of 0, 1000 and 2000 kgha-1 K2O, the B levels with repeated doses of 0, 20, 40 and 60 kgha-1 B and the Sr levels with a rate of 67 kgha -1 Sr. The fertilizers were applied in the form of 60% potassium chloride, 11% borax and 33% SrCl2×6H2O. The three K treatments formed the main plots, the four B treatments the sub-plots and the two Sr treatments the sub-subplots, giving a total of 24 treatments×3 replications = 72 plots in a split-plot design. When the experiment was set up in autumn 1987 the ploughed layer contained 5% CaCO3, 3% humus and 20% clay, with pH(H2O) 7.8, pH(KCl) 7.3, and nutrient contents (mgkg-1) of 180-200 AL-K2O, 100-120 AL-P2O 5, 110-150 KCl-soluble Mg, 60-80 KCl+EDTA-soluble Mn, 1-2 Cu and Zn, and 0.7 B. The soil had satisfactory supplies of K, Ca and Mg, moderate supplies of N and P and poor supplies of Zn and Cu. The groundwater was located at a depth of 13-15 m and the area was prone to drought. The mean temperature averaged 11°C and the annual rainfall sum ranged from 400 to 600 mm, with uneven distribution. The main conclusions were as follows: - On this calcareous loam soil, which was satisfactorily supplied with both potassium and boron, fertilizer effects were not detected in the yield. Even the extremely high, repeated rates of 2000 kgha-1 K2O and 60 kgha-1 B did not lead to yield depression. The AL-K2O content of the soil rose from 191 in the control to 515 mgkg-1 at the highest rate, and the hot water-soluble B content from 0.7 to 5.1 mgkg-1. - The B content of alfalfa rose in the same treatments from 30-50 to 50-120 mg kg -1. The K concentration of the hay increased parallel with K fertilization, while that of Na, Mg, Ca and Cu declined. The Cu content of the hay was also significantly reduced by B fertilization, thus aggravating the latent Cu deficiency and resulting in Cu contents of around 3 mgkg-1 in the hay. - Two-year-old alfalfa had the highest contents of the macronutrients N, K, Ca, Mg, S and P and also gave the highest hay yield. It consequently exhibited the highest level of nutrient uptake, with per hectare quantities of 319 kg N, 176 kg K (211 kg K2O), 184 kg Ca, 31 kg S, 28 kg Mg and 22 kg P (50 kg P2O5). - A total of 26.4 tha-1 hay was produced over the 4 years, with the incorporation of 756 kg N, 654 kg K2O and 158 kg P2O5. Alfalfa production results in a rapid depletion of the soil, particularly in terms of potassium. In soils poor in lime, the calcium also becomes depleted, as the Ca uptake remains at a similar level. Most of the nitrogen absorbed, however, originates from the atmosphere. The nitrogen-rich root residues remaining in the soil improve the N-supplying ability of the soil, reducing the N fertilizer requirements of the succeeding crop. - On this soil, the mean specific element requirements for the formation of 1 t hay between 1991 and 1994 were 20-40 kg N, 18-22 kg K and Ca, 3-4 kg Mg and S, and 2-3 kg P (5-7 kg P2O 5). These data could serve as guidelines for calculating the K, Ca, Mg, P and S requirements of the planned yield. The deviations in the specific microelement contents were as follows: 400-500 g Na, 80-120 g Fe and Sr, 40-60 g Mn, 20- 50 kg Al and B, 12-16 g Zn, 8-10 g Ba, 5-20 g Cu and 0.3-1.4 g Ni. The specific Zn and Cu parameters reflect the poor supply levels of the location, being below the optimum.

Original languageHungarian
Pages (from-to)133-150
Number of pages18
JournalAgrokemia es Talajtan
Volume61
Issue number1
DOIs
Publication statusPublished - Jun 1 2012

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strontium
alfalfa
boron
potassium
hay
soil
calcareous soils
fertilizer
Rosa
boron fertilizers
dosage
borax
potassium fertilizers
fertilizer requirements
liming materials
superphosphate
potassium chloride
plant micronutrients
loam soils
nitrogen

ASJC Scopus subject areas

  • Soil Science
  • Agronomy and Crop Science

Cite this

A kálium, bór és stroncium elemek közötti kölcsönhatások vizsgálata lucernában. / Kádár, I.

In: Agrokemia es Talajtan, Vol. 61, No. 1, 01.06.2012, p. 133-150.

Research output: Contribution to journalArticle

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title = "A k{\'a}lium, b{\'o}r {\'e}s stroncium elemek k{\"o}z{\"o}tti k{\"o}lcs{\"o}nhat{\'a}sok vizsg{\'a}lata lucern{\'a}ban",
abstract = "Interactions between the elements potassium, boron and strontium were analysed in alfalfa grown on a pseudomyceliar (calcareous) chernozem soil at the Experimental Station of the institute in Nagyh{\"o}rcs{\"o}k (Mezof{\"o}ld) between 1991 and 1994. Before the alfalfa was sown, a basal dose of 400 kg P2O5ha-1 was applied in the form of superphosphate. The K levels were adjusted with repeated doses of 0, 1000 and 2000 kgha-1 K2O, the B levels with repeated doses of 0, 20, 40 and 60 kgha-1 B and the Sr levels with a rate of 67 kgha -1 Sr. The fertilizers were applied in the form of 60{\%} potassium chloride, 11{\%} borax and 33{\%} SrCl2×6H2O. The three K treatments formed the main plots, the four B treatments the sub-plots and the two Sr treatments the sub-subplots, giving a total of 24 treatments×3 replications = 72 plots in a split-plot design. When the experiment was set up in autumn 1987 the ploughed layer contained 5{\%} CaCO3, 3{\%} humus and 20{\%} clay, with pH(H2O) 7.8, pH(KCl) 7.3, and nutrient contents (mgkg-1) of 180-200 AL-K2O, 100-120 AL-P2O 5, 110-150 KCl-soluble Mg, 60-80 KCl+EDTA-soluble Mn, 1-2 Cu and Zn, and 0.7 B. The soil had satisfactory supplies of K, Ca and Mg, moderate supplies of N and P and poor supplies of Zn and Cu. The groundwater was located at a depth of 13-15 m and the area was prone to drought. The mean temperature averaged 11°C and the annual rainfall sum ranged from 400 to 600 mm, with uneven distribution. The main conclusions were as follows: - On this calcareous loam soil, which was satisfactorily supplied with both potassium and boron, fertilizer effects were not detected in the yield. Even the extremely high, repeated rates of 2000 kgha-1 K2O and 60 kgha-1 B did not lead to yield depression. The AL-K2O content of the soil rose from 191 in the control to 515 mgkg-1 at the highest rate, and the hot water-soluble B content from 0.7 to 5.1 mgkg-1. - The B content of alfalfa rose in the same treatments from 30-50 to 50-120 mg kg -1. The K concentration of the hay increased parallel with K fertilization, while that of Na, Mg, Ca and Cu declined. The Cu content of the hay was also significantly reduced by B fertilization, thus aggravating the latent Cu deficiency and resulting in Cu contents of around 3 mgkg-1 in the hay. - Two-year-old alfalfa had the highest contents of the macronutrients N, K, Ca, Mg, S and P and also gave the highest hay yield. It consequently exhibited the highest level of nutrient uptake, with per hectare quantities of 319 kg N, 176 kg K (211 kg K2O), 184 kg Ca, 31 kg S, 28 kg Mg and 22 kg P (50 kg P2O5). - A total of 26.4 tha-1 hay was produced over the 4 years, with the incorporation of 756 kg N, 654 kg K2O and 158 kg P2O5. Alfalfa production results in a rapid depletion of the soil, particularly in terms of potassium. In soils poor in lime, the calcium also becomes depleted, as the Ca uptake remains at a similar level. Most of the nitrogen absorbed, however, originates from the atmosphere. The nitrogen-rich root residues remaining in the soil improve the N-supplying ability of the soil, reducing the N fertilizer requirements of the succeeding crop. - On this soil, the mean specific element requirements for the formation of 1 t hay between 1991 and 1994 were 20-40 kg N, 18-22 kg K and Ca, 3-4 kg Mg and S, and 2-3 kg P (5-7 kg P2O 5). These data could serve as guidelines for calculating the K, Ca, Mg, P and S requirements of the planned yield. The deviations in the specific microelement contents were as follows: 400-500 g Na, 80-120 g Fe and Sr, 40-60 g Mn, 20- 50 kg Al and B, 12-16 g Zn, 8-10 g Ba, 5-20 g Cu and 0.3-1.4 g Ni. The specific Zn and Cu parameters reflect the poor supply levels of the location, being below the optimum.",
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T1 - A kálium, bór és stroncium elemek közötti kölcsönhatások vizsgálata lucernában

AU - Kádár, I.

PY - 2012/6/1

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N2 - Interactions between the elements potassium, boron and strontium were analysed in alfalfa grown on a pseudomyceliar (calcareous) chernozem soil at the Experimental Station of the institute in Nagyhörcsök (Mezoföld) between 1991 and 1994. Before the alfalfa was sown, a basal dose of 400 kg P2O5ha-1 was applied in the form of superphosphate. The K levels were adjusted with repeated doses of 0, 1000 and 2000 kgha-1 K2O, the B levels with repeated doses of 0, 20, 40 and 60 kgha-1 B and the Sr levels with a rate of 67 kgha -1 Sr. The fertilizers were applied in the form of 60% potassium chloride, 11% borax and 33% SrCl2×6H2O. The three K treatments formed the main plots, the four B treatments the sub-plots and the two Sr treatments the sub-subplots, giving a total of 24 treatments×3 replications = 72 plots in a split-plot design. When the experiment was set up in autumn 1987 the ploughed layer contained 5% CaCO3, 3% humus and 20% clay, with pH(H2O) 7.8, pH(KCl) 7.3, and nutrient contents (mgkg-1) of 180-200 AL-K2O, 100-120 AL-P2O 5, 110-150 KCl-soluble Mg, 60-80 KCl+EDTA-soluble Mn, 1-2 Cu and Zn, and 0.7 B. The soil had satisfactory supplies of K, Ca and Mg, moderate supplies of N and P and poor supplies of Zn and Cu. The groundwater was located at a depth of 13-15 m and the area was prone to drought. The mean temperature averaged 11°C and the annual rainfall sum ranged from 400 to 600 mm, with uneven distribution. The main conclusions were as follows: - On this calcareous loam soil, which was satisfactorily supplied with both potassium and boron, fertilizer effects were not detected in the yield. Even the extremely high, repeated rates of 2000 kgha-1 K2O and 60 kgha-1 B did not lead to yield depression. The AL-K2O content of the soil rose from 191 in the control to 515 mgkg-1 at the highest rate, and the hot water-soluble B content from 0.7 to 5.1 mgkg-1. - The B content of alfalfa rose in the same treatments from 30-50 to 50-120 mg kg -1. The K concentration of the hay increased parallel with K fertilization, while that of Na, Mg, Ca and Cu declined. The Cu content of the hay was also significantly reduced by B fertilization, thus aggravating the latent Cu deficiency and resulting in Cu contents of around 3 mgkg-1 in the hay. - Two-year-old alfalfa had the highest contents of the macronutrients N, K, Ca, Mg, S and P and also gave the highest hay yield. It consequently exhibited the highest level of nutrient uptake, with per hectare quantities of 319 kg N, 176 kg K (211 kg K2O), 184 kg Ca, 31 kg S, 28 kg Mg and 22 kg P (50 kg P2O5). - A total of 26.4 tha-1 hay was produced over the 4 years, with the incorporation of 756 kg N, 654 kg K2O and 158 kg P2O5. Alfalfa production results in a rapid depletion of the soil, particularly in terms of potassium. In soils poor in lime, the calcium also becomes depleted, as the Ca uptake remains at a similar level. Most of the nitrogen absorbed, however, originates from the atmosphere. The nitrogen-rich root residues remaining in the soil improve the N-supplying ability of the soil, reducing the N fertilizer requirements of the succeeding crop. - On this soil, the mean specific element requirements for the formation of 1 t hay between 1991 and 1994 were 20-40 kg N, 18-22 kg K and Ca, 3-4 kg Mg and S, and 2-3 kg P (5-7 kg P2O 5). These data could serve as guidelines for calculating the K, Ca, Mg, P and S requirements of the planned yield. The deviations in the specific microelement contents were as follows: 400-500 g Na, 80-120 g Fe and Sr, 40-60 g Mn, 20- 50 kg Al and B, 12-16 g Zn, 8-10 g Ba, 5-20 g Cu and 0.3-1.4 g Ni. The specific Zn and Cu parameters reflect the poor supply levels of the location, being below the optimum.

AB - Interactions between the elements potassium, boron and strontium were analysed in alfalfa grown on a pseudomyceliar (calcareous) chernozem soil at the Experimental Station of the institute in Nagyhörcsök (Mezoföld) between 1991 and 1994. Before the alfalfa was sown, a basal dose of 400 kg P2O5ha-1 was applied in the form of superphosphate. The K levels were adjusted with repeated doses of 0, 1000 and 2000 kgha-1 K2O, the B levels with repeated doses of 0, 20, 40 and 60 kgha-1 B and the Sr levels with a rate of 67 kgha -1 Sr. The fertilizers were applied in the form of 60% potassium chloride, 11% borax and 33% SrCl2×6H2O. The three K treatments formed the main plots, the four B treatments the sub-plots and the two Sr treatments the sub-subplots, giving a total of 24 treatments×3 replications = 72 plots in a split-plot design. When the experiment was set up in autumn 1987 the ploughed layer contained 5% CaCO3, 3% humus and 20% clay, with pH(H2O) 7.8, pH(KCl) 7.3, and nutrient contents (mgkg-1) of 180-200 AL-K2O, 100-120 AL-P2O 5, 110-150 KCl-soluble Mg, 60-80 KCl+EDTA-soluble Mn, 1-2 Cu and Zn, and 0.7 B. The soil had satisfactory supplies of K, Ca and Mg, moderate supplies of N and P and poor supplies of Zn and Cu. The groundwater was located at a depth of 13-15 m and the area was prone to drought. The mean temperature averaged 11°C and the annual rainfall sum ranged from 400 to 600 mm, with uneven distribution. The main conclusions were as follows: - On this calcareous loam soil, which was satisfactorily supplied with both potassium and boron, fertilizer effects were not detected in the yield. Even the extremely high, repeated rates of 2000 kgha-1 K2O and 60 kgha-1 B did not lead to yield depression. The AL-K2O content of the soil rose from 191 in the control to 515 mgkg-1 at the highest rate, and the hot water-soluble B content from 0.7 to 5.1 mgkg-1. - The B content of alfalfa rose in the same treatments from 30-50 to 50-120 mg kg -1. The K concentration of the hay increased parallel with K fertilization, while that of Na, Mg, Ca and Cu declined. The Cu content of the hay was also significantly reduced by B fertilization, thus aggravating the latent Cu deficiency and resulting in Cu contents of around 3 mgkg-1 in the hay. - Two-year-old alfalfa had the highest contents of the macronutrients N, K, Ca, Mg, S and P and also gave the highest hay yield. It consequently exhibited the highest level of nutrient uptake, with per hectare quantities of 319 kg N, 176 kg K (211 kg K2O), 184 kg Ca, 31 kg S, 28 kg Mg and 22 kg P (50 kg P2O5). - A total of 26.4 tha-1 hay was produced over the 4 years, with the incorporation of 756 kg N, 654 kg K2O and 158 kg P2O5. Alfalfa production results in a rapid depletion of the soil, particularly in terms of potassium. In soils poor in lime, the calcium also becomes depleted, as the Ca uptake remains at a similar level. Most of the nitrogen absorbed, however, originates from the atmosphere. The nitrogen-rich root residues remaining in the soil improve the N-supplying ability of the soil, reducing the N fertilizer requirements of the succeeding crop. - On this soil, the mean specific element requirements for the formation of 1 t hay between 1991 and 1994 were 20-40 kg N, 18-22 kg K and Ca, 3-4 kg Mg and S, and 2-3 kg P (5-7 kg P2O 5). These data could serve as guidelines for calculating the K, Ca, Mg, P and S requirements of the planned yield. The deviations in the specific microelement contents were as follows: 400-500 g Na, 80-120 g Fe and Sr, 40-60 g Mn, 20- 50 kg Al and B, 12-16 g Zn, 8-10 g Ba, 5-20 g Cu and 0.3-1.4 g Ni. The specific Zn and Cu parameters reflect the poor supply levels of the location, being below the optimum.

KW - bór

KW - kálium

KW - lucerna

KW - stroncium

KW - szabadföldi kísérlet

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