THE CRUDE‐PROTEIN CONTENT OF ITALIAN RYEGRASS

I. V. Hunt; R. H. Alexander

doi:10.1111/j.1365-2494.1961.tb00241.x

THE CRUDE‐PROTEIN CONTENT OF ITALIAN RYEGRASS

I. V. Hunt^*, R. H. Alexander

^*Corresponding author for this work

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

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Abstract

The effects of variety, date of cutting flush growth and level of nitrogenous manuring on the crude‐protein content of Italian ryegrass were studied on plots cut five times in 1958. Raising the level of nitrogenous fertilizer from 174 lb. to 348 1b. N/acre reduced the percentage of dry matter from 0·5 to 2·0 and increased the percentage of crude protein in the dry matter from 0·9 to 5·1, with net increases in crude protein/fresh material of from 0·06 to 0·57%. Varieties showed consistent differences, the three Westcrwolth types, New Zealand H.I and New Zealand Italian being higher in percentage crude protein than Ayrshire, Irish, Danish and S22. Culling the flush growth earlier resulted in an increased percentage of crude protein for that particular cut, but no overall increase in mean crude‐protein percentage.

Original language	English
Pages (from-to)	226-229
Number of pages	4
Journal	Grass and Forage Science
Volume	16
Issue number	3
DOIs	https://doi.org/10.1111/j.1365-2494.1961.tb00241.x
Publication status	Print publication - Sept 1961

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title = "THE CRUDE‐PROTEIN CONTENT OF ITALIAN RYEGRASS",

abstract = "The effects of variety, date of cutting flush growth and level of nitrogenous manuring on the crude‐protein content of Italian ryegrass were studied on plots cut five times in 1958. Raising the level of nitrogenous fertilizer from 174 lb. to 348 1b. N/acre reduced the percentage of dry matter from 0·5 to 2·0 and increased the percentage of crude protein in the dry matter from 0·9 to 5·1, with net increases in crude protein/fresh material of from 0·06 to 0·57%. Varieties showed consistent differences, the three Westcrwolth types, New Zealand H.I and New Zealand Italian being higher in percentage crude protein than Ayrshire, Irish, Danish and S22. Culling the flush growth earlier resulted in an increased percentage of crude protein for that particular cut, but no overall increase in mean crude‐protein percentage.",

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T1 - THE CRUDE‐PROTEIN CONTENT OF ITALIAN RYEGRASS

AU - Hunt, I. V.

AU - Alexander, R. H.

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N2 - The effects of variety, date of cutting flush growth and level of nitrogenous manuring on the crude‐protein content of Italian ryegrass were studied on plots cut five times in 1958. Raising the level of nitrogenous fertilizer from 174 lb. to 348 1b. N/acre reduced the percentage of dry matter from 0·5 to 2·0 and increased the percentage of crude protein in the dry matter from 0·9 to 5·1, with net increases in crude protein/fresh material of from 0·06 to 0·57%. Varieties showed consistent differences, the three Westcrwolth types, New Zealand H.I and New Zealand Italian being higher in percentage crude protein than Ayrshire, Irish, Danish and S22. Culling the flush growth earlier resulted in an increased percentage of crude protein for that particular cut, but no overall increase in mean crude‐protein percentage.

AB - The effects of variety, date of cutting flush growth and level of nitrogenous manuring on the crude‐protein content of Italian ryegrass were studied on plots cut five times in 1958. Raising the level of nitrogenous fertilizer from 174 lb. to 348 1b. N/acre reduced the percentage of dry matter from 0·5 to 2·0 and increased the percentage of crude protein in the dry matter from 0·9 to 5·1, with net increases in crude protein/fresh material of from 0·06 to 0·57%. Varieties showed consistent differences, the three Westcrwolth types, New Zealand H.I and New Zealand Italian being higher in percentage crude protein than Ayrshire, Irish, Danish and S22. Culling the flush growth earlier resulted in an increased percentage of crude protein for that particular cut, but no overall increase in mean crude‐protein percentage.

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THE CRUDE‐PROTEIN CONTENT OF ITALIAN RYEGRASS

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