Asparagus yield response to water and nitrogen

Robert L Roth, Bryant R. Gardner

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Fresh green asparagus (Asparagus officinalis L.) is produced in the Southwest desert regions during a period when it cannot be produced in colder areas. The success of producing optimum yields economically is dependent on the proper applications of water and nitrogen. All water requirements must be met by irrigation since less than 75 mm (3 in.) of annual rainfall occurs in this region. Nitrogen is a critical nutrient that must be applied to obtain maximum yields. Maximum yields of 11.6, 18.6, and 10.0 Mg/ha (9700, 16,700, and 8900 lb/ac) were predicted for asparagus crowns that were 3, 4 and 5 years old, respectively. The amount of water applied to obtain these yields ranged from 270 to 310 cm (106 to 122 in.) and the amount of nitrogen fertilizer applied ranged from 370 to 630 kg/ha (330 to 560 lb/ac). Production functions were developed to predict asparagus yields for water applications that ranged from 50 to 150% of the estimated evapotranspiration and nitrogen applications that ranged from 33 to 167% of the recommended nitrogen rate.

Original languageEnglish (US)
Pages (from-to)105-112
Number of pages8
JournalTransactions of the American Society of Agricultural Engineers
Volume32
Issue number1
StatePublished - Jan 1989

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asparagus spears
yield response
Nitrogen
Water
nitrogen
water
Nitrogen fertilizers
Asparagus Plant
Evapotranspiration
Asparagus officinalis
Irrigation
production functions
Nutrients
Rain
green leafy vegetables
Fertilizers
water requirement
Crowns
evapotranspiration
deserts

ASJC Scopus subject areas

  • Agricultural and Biological Sciences (miscellaneous)

Cite this

Asparagus yield response to water and nitrogen. / Roth, Robert L; Gardner, Bryant R.

In: Transactions of the American Society of Agricultural Engineers, Vol. 32, No. 1, 01.1989, p. 105-112.

Research output: Contribution to journalArticle

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