Haku
Viitteet 1-3 / 3
Effect of annual use of pesticides on soil microorganisms and sugar beet yields
(Suomen maataloustieteellinen seura, 1989)
Effect of different rates of P fertilization on the yield and P status of the soil in two long-term field experiments
(Suomen maataloustieteellinen seura, 1989)
The effect of foliar application of seaweed extract on potato
(Suomen maataloustieteellinen seura, 1989)