Roberts, S. (Steve) 1930-

Slow release nitrogen evaluations and phosphorus and potassium requirements for potatoes on sandy soil by S Roberts ( Book )
2 editions published in 1984 in English and held by 12 libraries worldwide

Sugarbeet production under center-pivot irrigation with different rates of nitrogen ( Book )
1 edition published in 1980 in English and held by 11 libraries worldwide

Potato use of phosphorus and potassium in sandy soils by S Roberts ( Book )
1 edition published in 1988 in English and held by 10 libraries worldwide

A comparison of trickle and sprinkler irrigation for apple orchards by James E Middleton ( Book )
1 edition published in 1981 in English and held by 10 libraries worldwide

Soil nitrate, mineralizable nitrogen, and nitrate in sugarbeet petioles as guides to nitrogen fertilization by S Roberts ( Book )
1 edition published in 1977 in English and held by 9 libraries worldwide

Effect of nitrogen and rate and method of phosphorus fertilization on yield and nutrient content of dry beans by S Roberts ( Book )
1 edition published in 1972 in English and held by 8 libraries worldwide

Games for the Atari 400/800 : or how to program your own games by S Roberts ( Book )
3 editions published between 1982 and 1983 in English and held by 8 libraries worldwide

Residual availability of boron applied to an irrigated alkaline soil by S Roberts ( Book )
1 edition published in 1976 in English and held by 8 libraries worldwide

Agronomic evaluation of eight grain sorghum varieties under irrigation and a method for predicting potential stalk breakage by C. E Nelson ( Book )
1 edition published in 1961 in English and held by 7 libraries worldwide

Relationships among nitrogen nutrition, growth, and yield of three field bean varieties by S Roberts ( Book )
1 edition published in 1971 in English and held by 7 libraries worldwide