References
- Barratt , B. C. 1960 . An investigation of the morphology and development of some grassland humus forms Ph.D. thesis Univ. of Durham. (Lodged in Univ. of Durham Library.)
- Barratt , B. C. 1964 . A classification of humus forms and micro-fabrics of temperate grasslands . J. Soil Sci. , 15 (2) : 342 – 356 .
- Barratt , B. C. 1965a . Decomposition of grass litters in three kinds of soil . Pl Soil , XXIII (2) : 265 – 269 .
- Barratt , B. C. 1965b . Micro-morphology of some yellow-brown earths and podzols of New Zealand . N.Z. Jl agric. Res. , 8 (4) : 997 – 1042 .
- Barratt , B. C. 1966 . Factors of mull and mcr development in temperate grasslands . Proc. N.Z. ecol. Soc. , 13 : 24 – 29 .
- Gradwell , M. W. 1960 . Changes in the pore space of a pasture topsoil under animal treading . N.Z. Jl agric. Res. , 3 (4) : 663 – 675 .
- Kubiena , W. L. 1955 . “ Animal activity as a decisive factor in establishment of humus forms ” . In Soil zoology , Edited by: Kevan , D. K. McE. 73 – 82 . London : Butterworths .
- Lee , K. E. 1958 . Biological studies of seme fussock-grassland soils. X. Earthworms . N.Z. Jl agric. Res. , 1 (6) : 998 – 1002 .
- Lee , K. E. 1959 . The earthworm fauna of New Zealand . N.Z. Soil Bur. Bull. , 130 486 pp.
- Lee , K. E. in press . A preliminary study of soil animals and their relationship to some New Zealand soils . In N.Z. Soil Bur. Bull. , 26. Soils of New Zealand.
- Miller , R. B. , Stout , J. D. and Lee , K. E. 1955 . Biological and chemical changes following scrub burning en a New Zealand hill soil . N.Z. Jl Sci. Technol. , 37 (3) : 290 – 313 .
- N.Z. Soil Bureau . in press . Soils of New Zealand . N.Z. Soil Bur. Bull , 26
- Raeside , J. D. and Barratt , B. C. 1962 . In N.Z. Soil Bur. Bull. 25. Soil Survey Method , : 178 – 182 .
- Satchell , J. E. 1955 . “ Some aspects of earthworm ecology ” . In Soil zoology , Edited by: Kevan , D. K. McE. 180 – 201 . London : Butter-worths .
- Son Survey Staff . 1951 . Soil survey manual. U.S. Dep. agric. Handbk , 18 503 pp
- Son Survey Staff . 1960: Soil classification. A comprehensive system . 7th approx. Soil Conservation Service, U.S. Dep. agric. , 265 pp.
- Stockdill , S. M. J. 1966 . The effect of earthworms on pastures . Proc. N.Z. ecol. Soc. , 13 : 68 – 75 .
- Stout , J. D. 1958 . Aquatic oligochaetes occurring in forest litter. II . Trans. R. Soc. N.Z. , 85 (2) : 289 – 299 .
- Taylor , N. H. and Pohlen , I. J. 1962 . Soil survey method . N.Z. Soil Bur. Bull. , 25 241 pp.