Archer, John.
Crop nutrition and fertiliser use / by John Archer. - 2nd ed. - Ipswich, England : Farming Press, 1988. - 265 p. : ill. (some col.).
0852361750
92065150
Plants--Nutrition.
Field crops.
Crop nutrition and fertiliser use / by John Archer. - 2nd ed. - Ipswich, England : Farming Press, 1988. - 265 p. : ill. (some col.).
0852361750
92065150
Plants--Nutrition.
Field crops.