Cooke, G. W. (1956). Fertilizer placement. Outlook on Agriculture 1, 43–58.
Currah, I. E., Gray, D. & Thomas, T. H. (1974). The sowing of germinating vegetable seeds using a fluid drill. Annals of Applied Biology 76, 311–318.
Darby, R. J. (1980). Effects of seed carriers on seedling establishment after fluid drilling. Experimental Agriculture 16, 153–160.
Finch-Savage, W. E. (1980). Grower Report 80. Fluid Drilling Ltd. Information Leaflet. Available from Fluid Drilling Ltd, Queensway Industrial Estate, Leamington Spa, CV31 3LD.
Garg, K. P. & Welch, L. F. (1967). Growth and phosphorus uptake by corn as influenced by phosphorus placement. Agronomy Journal 59, 152–154.
Gray, D. (1977). The effect of sowing pre-germinated seeds of lettuce (Lactuca sativa) on seedling emergence. Annals of Applied Biology 88, 185–192.
Grunes, D. L., Viets, F. G., Shih, J. R. & , S.H. (1958). Proportionate uptake of soil and fertilizer phosphorus by plants as affected by nitrogen fertilization. 1. Growth chamber experiment. Soil Science Society of America Proceedings 22, 43–48.
Haworth, F. & Cleaver, T. J. (1963). The effects of uptake of different amounts of potassium on the growth of carrot seedlings. Journal of Horticultural Science 38, 40–45.
Knoll, H. A., Brady, N. C. & Lathwell, D. J. (1964). Effect of soil temperature and phosphorus fertilization on the growth and phosphorus content of corn. Agronomy Journal 56, 145–147.
Locascio, S. J., Warren, G. P. & Wilcox, G. E. (1960). The effect of phosphorus placement on uptake of phosphorus and growth of direct seeded tomatoes. Proceedings of the American Society for Horticultural Science 76, 503–514.
Miller, M. H. & Ohlrogge, A. J. (1958). Principles of nutrient uptake from fertilizer bands. 1. Effect of placement of nitrogen fertilizer on the uptake of band-placed phosphorus at different soil phosphorus levels. Agronomy Journal 50, 95–97.
Ministry Of Agriculture, Fisheries And Food (1978). E. E. C. standards for carrots. Advisory Leaflet HVE26.
Ministry Of Agriculture, Fisheries And Food (1980). Carrots. Advisory Leaflet 2268.
Page, E. R. (1967). Fertilizer placement. Reports of Progress in Applied Chemistry 52, 279–294.
Salter, P. J. (1978). Fluid drilling of pre-germinated seeds: progress and possibilities. Acta Horliculturae 83, 245–249.
Wilcox, G. E. (1967). Effect of phosphorus fertilization on tomato seedling growth rate. Proceedings of the American Society for Horticultural Science 90, 330–334.