S. M. H. Loquens

Comparison of the effects of nitrogen fertilizer on the yield, nitrogen content and quality of 21 different vegetable and agricultural crops

D. J. Greenwood, K. Niendorf, M. Turner, 1980, The Journal of Agricultural Science.

Comparison of the effects of phosphate fertilizer on the yield, phosphate content and quality of 22 different vegetable and agricultural crops

D. J. Greenwood, K. Niendorf, M. Turner, 1980, The Journal of Agricultural Science.

Comparison of the effects of potassium fertilizer on the yield, potassium content and quality of 22 different vegetable and agricultural crops

D. J. Greenwood, K. Niendorf, M. Turner, 1980, The Journal of Agricultural Science.

Relationships between the critical concentrations of nitrogen, phosphorus and potassium in 17 different vegetable crops and duration of growth

D. J. Greenwood, J. Hunt, T. Cleaver, 1980 .

Relationship between Plant Weight and Growing Period for Vegetable Crops in the United Kingdom

D. J. Greenwood, K. Niendorf, T. Cleaver, 1977 .