Author

KR Helyar

OpenAlex ID: A5113611566

Soil acidity in New-South-Wales - Current pH values and estimates of acidification rates

1990 · KR Helyar, PD Cregan, et al. · Soil Research · 138

Acidification under grazed annual and perennial grass based pastures

1990 · AM Ridley, WJ Slattery, et al. · Australian Journal of Experimental Agriculture · 78

Soil acidification under subterranean clover ( Trifolium subterraneum L.) pastures in north-eastern Victoria

1990 · AM Ridley, KR Helyar, et al. · Australian Journal of Experimental Agriculture · 73

Effects of lime on the growth of five species, on aluminium toxicity, and on phosphorus availability

1971 · KR Helyar, AJ Anderson · Australian Journal of Agricultural Research · 68

The importance of the carbon cycle to acidification of a grazed annual pasture

1990 · AM Ridley, WJ Slattery, et al. · Australian Journal of Experimental Agriculture · 67

Sodium bicarbonate soil test values and the phosphate buffering capacity of soils

1977 · KR Helyar, K Spencer · Soil Research · 49

Changes in soil phosphate fractions in the rhizosphere of semi-arid pasture grasses

1992 · RD Armstrong, KR Helyar · Soil Research · 42

The P fertilizer requirements of subterranean clover, and the soil P status, sorption and buffering capacities from two P analyses

1992 · BS Dear, KR Helyar, et al. · Soil Research · 31

Responses of five pasture species to phosphorus, lime, and nitrogen on an infertile acid soil with a high phosphate sorption capacity

1970 · KR Helyar, AJ Anderson · Australian Journal of Agricultural Research · 28

The use of nitrogen, phosphorus and lime to limit the competitive ability of Aristida armata in the establishment phase

1993 · RD Armstrong, RF Brown, et al. · Australian Journal of Agricultural Research · 13

Vesicular-arbuscular mycorrhiza in semi-arid pastures of south-west Queensland and their effect on growth responses to phosphorus fertilizers by grasses

1992 · RD Armstrong, KR Helyar, et al. · Australian Journal of Agricultural Research · 8

Utilization of labeled mineral and organic phosphorus sources by grasses common to semi-arid mulga shrublands

1993 · RD Armstrong, KR Helyar · Soil Research · 5

Relative importance of soil phosphorus to the growth of wiregrass ( Aristida armata ) compared with other grasses common to the mulga shrublands of Queensland

1993 · RD Armstrong, KR Helyar · Australian Journal of Experimental Agriculture · 4

Decision making on the application of fertilizers for animal production.

1984 · KR Helyar, K. M. S. Curtis

Deciding application rates of superphosphate.

1977 · KR Helyar · Wool technology and sheep breeding

Works count: 15

Citation count: 604

H-index: 10

I10-index: 10