References
- Baker , C. J. 1976 . Experiments relating to techniques for direct drilling of seeds into unfilled dead turf . Journal of Agricultural Engineering Research , 21 : 133 – 144 .
- Baker , C. J. 1977 . Some effects of cover, seed size, and soil moisture status on establishment of seedlings by direct drilling . N.Z. Journal of Experimental Agriculture , 5 : 47 – 53 .
- Baker , C. J. , Badger , E. M. , McDonald , J. H. and Rix , C. S. 1979a . Developments with seed drill coulters for direct drilling I. Trash handling properties of coulters . N.Z. Journal of Experimental Agriculture , 7 : 175 – 184 .
- Baker , C. J. , McDonald , J. H. , Seebeck , K. , Rix , C. S. and Griffiths , P. M. 1979b . Developments with seed drill coulters for direct drilling III. An improved chisel coulter with trash handling and fertiliser placement capabilities . N.Z. Journal of Experimental Agriculture , 7 : 189 – 196 .
- Blackmore , L. W. Chemical establishment of wheat . Proceedings of the 20th N.Z. Weed and Pest Control Conference . pp. 67 – 73 .
- Choudhary , M. A. and Baker , C. J. The interrelationship of direct drilled seeds and dry soils as a function of sowing techniques under controlled climatic conditions . Proceedings of the International Conference on Energy Conservation in Crop Production, Massey University . pp. 121 – 128 .
- Evans , S. A. 1964 . “ Minimum cultivation — some likely developments in mechanisation ” . In National Agricultural Advisory Service Quarterly Review No. 66 74 – 81 .
- Karonka , P. 1973 . Machinery development for direct drilling . Outlook on Agriculture , 7 ( 4 ) : 190 – 195 .
- Mai , T. V. and Baker , C. J. The interaction of soil compaction, root growth and drill coulter design in direct drilling . Proceedings of the International Conference on Energy Conservation in Crop Production, Massey University . pp. 107 – 114 .