References
- Ballard , R. and Will , G. M. 1969 . Distribution of aerially applied fertiliser in two New Zealand forests . N.Z. For. Res. Inst. Soils and Nutrition Rep. , 2 : 1 – 9 .
- Campbell , D. A. 1948 . Preliminary aerial distribution trials with superphosphate and seed mixtures . N.Z. J. Sci. Tech. , 30A : 65 – 77 .
- Campbell , D. A. 1951 . Developments in aerial topdressing during 1949 . N.Z. J. Sci. Tech. , 33A ( 3 ) : 1 – 12 .
- Greenall , A. F. , Quill , S. G. and Stephenson , J. 1952 . Aerial topdressing trials: equipment and fiying techniques used and measurements of distribution of phosphate . N.Z. J. Sci. Tech. , 33A ( 6 ) : 55 – 68 .
- Lynch , P. B. 1951 . Measuring efficiency of topdressing by light aircraft . N.Z. J. Agric. , 82 : 315 – 20 .
- Miller , J. G. 1951 . Measurement of the distribution of granular superphosphate from aeroplanes . N.Z. J. Sci. Tech. , 33A ( 2 ) : 17 – 27 .
- Miller , J. G. 1956 . The distribution of fertiliser from a Beaver aircraft . N.Z. J. Sci. Tech. , 38A : 383 – 96 .
- Scott , R. S. 1965 . Aerial distribution of fertiliser, DDT, and seed . Proc. Ruakura Farmers' Conf. , : 120 – 8 .
- Scott , R. S. 1970 . Studies into the spatial distribution of fertiliser and seed applied from light aircraft. I. Ground recovery techniques . N.Z. Jl agric. Res. , 13 : 1 – 11 .
- Scott , R. S. and Grigg , J. L. 1970 . Studies into the spatial distribution of fertiliser and seed applied from light aircraft. II. Recovery on the ground and efficiency of use of unevenly distributed fertiliser . N.Z. Jl agric. Res. , 13 : 12 – 32 .