The seasonal output of pastures sown with ultra-simple seeds mixtures

Hughes, G. Pearson

doi:10.1017/s0021859600046827

Cited by 12 publications

(4 citation statements)

References 3 publications

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“…Against this background of a changing environment and a varying adequacy of plant nutrients, species and varieties of grass have been selected and bred for leanness and persistency. The variation among these bred varieties in terms of total annual yield, and the distribution of this yield throughout the year have been measured, for example by Hughes (1951), and the use of grasses with different dates of flowering and different potentialities for regrowth has been advocated to provide a more uniform supply of herbage throughout the year.…”

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confidence: 99%

The seasonal growth of pasture grasses

Anslow

Green

1967

J. Agric. Sci.

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The seasonal growth of pasture grasses

Anslow

Green

1967

J. Agric. Sci.

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“…The two types of mixture proved to be comparatively easy to manage even with the fixed head of stock, and were entirely complementary to each other in growth. The importance in pasture output of a sustained level of production over an extended period cannot be over-emphasized (10) and to achieve this it was found necessary to cut and ensile some of the plots each season. This however is an essential part of any sound system of grassland management.…”

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confidence: 99%

Grassland Production and Its Measurement. Using the Dairy Cow

Castle¹

1953

Grass and Forage Science

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The experiment to be described in this paper was designed with a twofold purpose in view. Firstly, to test on a field scale an original method of using milking cattle for measuring the productivity of grassland, and secondly to make an attempt at determining the potential milk producing capacity of well managed grassland, under practical conditions.The recording of the output of milk from grassland in critical field trials has not been widely practised in Great Britain, and DAVIES and WILLIAMS (6) stress the urgent need for a simple method of assessment. The difficulties of using milk as a yardstick in measuring ihe production of grassland have been discussed previously by the author (5). EXPERIMENTAL DESIGN AND METHODS The grasslandThe experimental field, situated at Shinfield, Reading had a free-draining soil of light to medium loam overlying gravel with a series of London clays commencing at a depth of 16 ft. Patches of gravel extended almost to the surface in parts of the field and were vtry evident in dry weather. Tbe results of analyses of soil samples taken on 28 April 194.S and 21 March 1950 respectively, were pH, 5-7 and 7-5, lime requirement 28 cwt. CaO per ac,re and nil, available P^Os, 0-036 and 0'043, and available K2O,0-0I0 and O'OH.

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“…Simple mixtures are those containing from two to a few species trut the exact definition depends on the individual and the circumsiances. Hughes (3) described simple mixtures as those in which inter-species compet"ition -rt ttot intense and used the term "ultra-simple" to refer to mixturis of one grass and one legume. The'legume in such mixtures was considered a beneficial rather than a comPetitive associate because of its ability to introduce atmospheric nitrogen into the soil in a form usable by the grass.…”

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Performance of Four Irrigated Pasture Mixtures Under Grazing by Sheep

Wilson¹,

Clark²

1961

Can. J. Plant Sci.

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Four herbage mixtures with two levels of fertilizer application were compared for 6 consecutive years under grazing by sheep. The most satisfactory mixture with respect to yield, persistence, and stability was one of orchardgrass, Dactylis glomerata L., smooth bromegrass, Bromus inermis Leys., creeping red fescue, Festuca rubra L., and ladino clover, Trifolium repens L. The same mixture of grasses without clover was lower yielding even with annual applications of 78 pounds of nitrogen and 48 pounds of P2O5 per acre. A mixture of orchardgrass, tall fescue, Festuca arundinacea Schreb., reed canary grass, Phalaris arundinacea L., and alfalfa, Medicago sativa L. yielded well, and combated weed encroachment but the alfalfa did not persist beyond the third year. Tall fescue was very aggressive in this mixture. A mixture of orchardgrass and ladino clover yielded well for a few years but became badly infested with weeds as the orchardgrass was reduced through winter killing. Moderate yield increases were obtained from phosphorus and nitrogen fertilizer applications on all mixtures.

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The seasonal output of pastures sown with ultra-simple seeds mixtures

Cited by 12 publications

References 3 publications

The seasonal growth of pasture grasses

The seasonal growth of pasture grasses

Grassland Production and Its Measurement. Using the Dairy Cow

Performance of Four Irrigated Pasture Mixtures Under Grazing by Sheep

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