00413nam a2200145Ia 4500 130903s9999 xx 000 0 und d PH 631.816' 559.2:633.854.78(047) M8 Fertilizing for high yield and quality sunflower. Bern IPI 1988 38p. IPI-Bulletin, no.10 Glas, K. Sunflower,Sunflower-fertilizers GRBK 0 0 0 0 KSD KSD 2013-09-03 0 PH 631.816' 559.2:633.854.78(047) M8 G3820 2013-09-03 00:00:00 2013-09-03 GRBK 83853 83853