Fertilizer response information and income gains: The case of potatoes in peru

James G. Ryan; Richard K. Perrin

doi:10.2307/1238765

Fertilizer response information and income gains: The case of potatoes in peru

James G. Ryan, Richard K. Perrin

Research output: Contribution to journal › Article › peer-review

12 Scopus citations

Abstract

Yield response to different levels of fertilizer on various soils is estimated by a generalized response function. Average new income generated by use of optimum levels is estimated at over $800 per hectare. The social gain to Peru is estimated to be as much as $50 million annually.

Original language	English (US)
Pages (from-to)	337-343
Number of pages	7
Journal	American Journal of Agricultural Economics
Volume	56
Issue number	2
DOIs	https://doi.org/10.2307/1238765
State	Published - May 1974
Externally published	Yes

Keywords

Fertilizer
Peru
Potatoes

ASJC Scopus subject areas

Agricultural and Biological Sciences (miscellaneous)
Economics and Econometrics

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10.2307/1238765

Cite this

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title = "Fertilizer response information and income gains: The case of potatoes in peru",

abstract = "Yield response to different levels of fertilizer on various soils is estimated by a generalized response function. Average new income generated by use of optimum levels is estimated at over $800 per hectare. The social gain to Peru is estimated to be as much as $50 million annually.",

keywords = "Fertilizer, Peru, Potatoes",

author = "Ryan, {James G.} and Perrin, {Richard K.}",

note = "Funding Information: *This research is in part a result of the senior author's Ph.D. dissertation at North Carolina State University (1972). The research was supported by the Agency for International Development under contract csd-2806. We wish to thank Professor R. E. McCollum and his colleagues in Peru who provided the data for the empirical analysis, and we are grateful for comments by various reviewers.",

year = "1974",

month = may,

doi = "10.2307/1238765",

language = "English (US)",

volume = "56",

pages = "337--343",

journal = "American Journal of Agricultural Economics",

issn = "0002-9092",

publisher = "Oxford University Press",

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TY - JOUR

T1 - Fertilizer response information and income gains

T2 - The case of potatoes in peru

AU - Ryan, James G.

AU - Perrin, Richard K.

N1 - Funding Information: *This research is in part a result of the senior author's Ph.D. dissertation at North Carolina State University (1972). The research was supported by the Agency for International Development under contract csd-2806. We wish to thank Professor R. E. McCollum and his colleagues in Peru who provided the data for the empirical analysis, and we are grateful for comments by various reviewers.

PY - 1974/5

Y1 - 1974/5

N2 - Yield response to different levels of fertilizer on various soils is estimated by a generalized response function. Average new income generated by use of optimum levels is estimated at over $800 per hectare. The social gain to Peru is estimated to be as much as $50 million annually.

AB - Yield response to different levels of fertilizer on various soils is estimated by a generalized response function. Average new income generated by use of optimum levels is estimated at over $800 per hectare. The social gain to Peru is estimated to be as much as $50 million annually.

KW - Fertilizer

KW - Peru

KW - Potatoes

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JO - American Journal of Agricultural Economics

JF - American Journal of Agricultural Economics

IS - 2

ER -

Fertilizer response information and income gains: The case of potatoes in peru

Abstract

Keywords

ASJC Scopus subject areas

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