An Inquiry into the Reason for the Large Accumulation of Nitrates in Soil Following the Growth of Clover or Alfalfa<sup>1</sup>

Lyon, T. L.; Bizzell, J. A.; Wilson, B. D.

doi:10.2134/agronj1924.00021962001600060010x

Cited by 4 publications

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“…After six years'work in California, Mertz (73) showed legume green manures produced 38 percent larger yields of response crops than non-leguminous green manures. When red clover was used as a green manure catch crop in winter wheat, Lyon (68) found similar relative responses in the following com and wheat crops in terms of grain and roughage produc tion.…”

Section: Crop Response and Decompositionmentioning

confidence: 88%

Dry matter and nitrogen production by legume associations as related to corn yields

Stickler

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Green Manure Experiments. 21}. General agronomic information. 2k Experimental design and statistical analysis ... 28 Methods of harvesting and processing legumes ... 29 Chemical analysis 31 Com Response Experiments 31 Decomposition of Legume Tops and Roots. ....... 3k Stubble Management of Green Manure Seedings 3o EXPERIMENTAL RESULTS 39 Green Manure Experiments. 39 Dry matter and nitrogen yields. .. 39 Nitrogen percentages of legume tops and roots.. .

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Section: Crop Response and Decompositionmentioning

confidence: 88%

Dry matter and nitrogen production by legume associations as related to corn yields

Stickler

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Soil Microorganisms and Plant Roots

Clark¹

1949

Advances in Agronomy

158

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The formation of nitrates in soil following various crop rotations

Barnes

1950

J. Agric. Sci.

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The difference between the power to accumulate nitrates in the soil after various rotations has been determined by incubating the soils at the termination of these rotations, and measuring the nitrate formed between January and May, a period of 4 months. The test has been repeated during 8 successive years, and the mean result is presented. The previous treatments, each of which lasted 3 years, consisted of (a) a ley grazed off each season by sheep, (b) a crop of lucerne which furnished two or three crops of hay each yer, and (c) and (d) an arable rotation of potatoes, wheat, and either a hoed crop of kale or a mixed ryegrass and clover crop of hay.In each case, the ammonia capable of distillation with magnesia was reduced during the incubation to an amount which differed little in all the soils, while the nitrate made an almost steady increase—most regular, however, after the previous cropping with lucerne—at least for a period of 4 months. The soil after the previous grass and clover hay crop started at a lower level of nitrate than the others and, even after the longest incubation period, never quite reached the accumulation which occurred in the other cases. Comparing the accumulation which occurred after the two 3-year ley crops (grazed ley and hayed lucerne) with that after the arable cropping, there was very little difference.

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An Inquiry into the Reason for the Large Accumulation of Nitrates in Soil Following the Growth of Clover or Alfalfa¹

Cited by 4 publications

References 1 publication

Dry matter and nitrogen production by legume associations as related to corn yields

Dry matter and nitrogen production by legume associations as related to corn yields

Soil Microorganisms and Plant Roots

The formation of nitrates in soil following various crop rotations

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An Inquiry into the Reason for the Large Accumulation of Nitrates in Soil Following the Growth of Clover or Alfalfa1

Cited by 4 publications

References 1 publication

Dry matter and nitrogen production by legume associations as related to corn yields

Dry matter and nitrogen production by legume associations as related to corn yields

Soil Microorganisms and Plant Roots

The formation of nitrates in soil following various crop rotations

Contact Info

Product

Resources

About

An Inquiry into the Reason for the Large Accumulation of Nitrates in Soil Following the Growth of Clover or Alfalfa¹