The Stimulating Effect of External Applications of Copper and Manganese on Certain Chlorotic Plants of the Florida Everglades Soils<sup>1</sup>

Bryan, O. C.

doi:10.2134/agronj1929.00021962002100090005x

Cited by 6 publications

(6 citation statements)

References 3 publications

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“…502 of effectiveness to be: banding > broadcasting > spraying, while McCall and Davis (8) stated that liquid foliar applications were more efficient than dust and soil applications in correcting Mn deficiency and increasing onion yields on a Houghton muck. Bryan (2), in greenhouse studies, found soil applications of \1n as MnS0 4 to Everglades peat soils to be more effective than foliar applications with beans; whereas, an equal response to both was recorded by McClean (9). Harmer and Sherman (6) found that spraying Mn on the foliage increased bean yields and concluded that, in general, Mn sprayed on the foliage would produce higher yields than row-applied Mn.…”

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Effect of Soil and Foliar‐applied Manganese on the Micronutrient Content and Yield of Soybeans¹

Randall¹,

Schulte²,

Corey

1975

Agronomy Journal

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Manganese deficiency of soybeans (Glycine max (L.) Merr.) will undoubtedly become more prevalent as soybean acreage increases along with strong emphasis on yield maximization. Thus, field experiments were conducted on two soils (Argiaquoll and a Hapludoll) in southern Wisconsin to evaluate sources, rates, and methods of application of Mn fertilizers on soybeans. Two sources, MnSO4 and Mn‐ethylenediaminetetraacetic acid (MnEDTA), were broadcast, row or foliar‐applied at various rates to Mn‐deficient soils and/or soybeans. Micronutrient concentrations, Mn uptake, and various production parameters were measured. All rates and application methods of MnSO4 and foliar applications of Mn‐EDTA were effective in supplying Mn to the plant. Row applications of MnSO4 were somewhat more efficient than broadcast applications. Manganese applied at rates ranging from 5 to 22 kg Mn/ha as MnSO4 with the starter fertilizer in the row at planting time appeared to be most efficient soil treatments in increasing seed yields. The MnEDTA applied in the row reduced plant weight, leaf Mn, and soybean yields slightly. When Zn was not included in the starter fertilizer, leaf Zn and Cu were increased by the soil‐applied MnEDTA treatments. Leaf Fe was not affected by any of the Mn treatments. Foliar applications of Mn were most effective when applied at the early blossom or early pod set stages or in multiple applications at these stages. Single applications of 2.24 and 4.48 kg Mn/ha as MnSO4 or 0.51 kg Mn/ha as MnEDTA caused some burning of the foliage. Combined row and foliar methods of application also appeared to relieve Mn deficiency effectively. Small amounts of MnSO4 applied in the row corrected the Mn deficiency early in the season, whereas foliar applications adequately supplied Mn to the plant later in the growing season. This combination resulted in higher yields than with either row or foliar treatments applied alone.

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“…M ANGANESE deficiencies have been observed on various crops throughout the United States (2,19,20). A recent report (17) expressed the view that Mn is the most common micronutrient deficiency of soybeans (Glycine max (L.) Merr.).…”

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Effect of Soil and Foliar‐applied Manganese on the Micronutrient Content and Yield of Soybeans¹

Randall¹,

Schulte²,

Corey

1975

Agronomy Journal

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“…BRYAN (2) also obtained greening in chlorotic leaves of plants grown in this soil by treating them with solutions of copper sulphate or manganese sulphate. These investigations do not furnish final proof, however, that copper is essential to plant growth.…”

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Copper as an Essential for Plant Growth

Sommer

1931

Plant Physiol.

113

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The stimulating effect of copper on plant growth was noted early in the use of copper salts as fungicides. A few years ago FELIX (3) obtained improvement in the growth of certain plants on several peat soils by the application of copper sulphate, both to the soil and in solution to the leaves. ALLISON, BRYAN, and HUNTER (1) Sunflowers, tomatoes, and flax were used in these investigations. Oneliter pyrex beakers with paraffine-coated, plaster of Paris covers were used as containers for the solutions in which the plants were grown. All water used in making up the nutrient solutions was redistilled from pyrex. In the first experiment with sunflowers the salts used had been repurified for an earlier study (5) on the effects of the absence of boron on plant growth. These salts had been recrystallized from water from a copper still; this still had the usual block tin condenser. In later experiments the water used for the purification of the salts was redistilled from pyrex. The methods used for the repurification of the salts2 are described in a previous paper and will not be reiterated here.

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“…McLean, (20) McLean and Gilbert, (21) and Gilbert and McLean (5) report the curing of lime-induced chlorosis of spinach and other plants by feeding the plants manganese through the stomata. External appli cations of copper and manganese on certain chlorotic plants of the Florida Everglades have been found by Bryan (2) to have a stimulating effect upon growth. The application of manganese to the soil has cor rected chlorosis of soy beans in various soil types on the lower Coastal Plain of North Carolina (Willis (26) and Mann (15) ).…”

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Injurious effects of manganese and iron deficiencies on the growth of citrus

Haas¹

1932

Hilg

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The Stimulating Effect of External Applications of Copper and Manganese on Certain Chlorotic Plants of the Florida Everglades Soils¹

Cited by 6 publications

References 3 publications

Effect of Soil and Foliar‐applied Manganese on the Micronutrient Content and Yield of Soybeans¹

Effect of Soil and Foliar‐applied Manganese on the Micronutrient Content and Yield of Soybeans¹

Copper as an Essential for Plant Growth

Injurious effects of manganese and iron deficiencies on the growth of citrus

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The Stimulating Effect of External Applications of Copper and Manganese on Certain Chlorotic Plants of the Florida Everglades Soils1

Cited by 6 publications

References 3 publications

Effect of Soil and Foliar‐applied Manganese on the Micronutrient Content and Yield of Soybeans1

Effect of Soil and Foliar‐applied Manganese on the Micronutrient Content and Yield of Soybeans1

Copper as an Essential for Plant Growth

Injurious effects of manganese and iron deficiencies on the growth of citrus

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Product

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The Stimulating Effect of External Applications of Copper and Manganese on Certain Chlorotic Plants of the Florida Everglades Soils¹

Effect of Soil and Foliar‐applied Manganese on the Micronutrient Content and Yield of Soybeans¹

Effect of Soil and Foliar‐applied Manganese on the Micronutrient Content and Yield of Soybeans¹