The effectiveness of several methods of applying superphosphate on yield response by wheat

C. L. Rudd, N. J. Barrow

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

A useful method of analysing yield data from experiments comparing different methods and times of application of superphosphate is given. Responses by wheat at six sites in South Australia and two in Western Australia were analysed to compare the effectiveness of broadcast superphosphate (in December, March, or at seeding) with superphosphate drilled with the seed. Drilled phosphate was found to be about twice as effective as phosphate broadcast at seeding and three to four times as effective as phosphate broadcast in March or December. It is suggested that the 'effectiveness coefficients' could be used in making economic decisions on phosphate fertilizer practice.

Original languageEnglish
Pages (from-to)430-433
Number of pages4
JournalAustralian Journal of Experimental Agriculture
Volume13
Issue number63
DOIs
Publication statusPublished - 1 Jan 1973
Externally publishedYes

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