Odvisnost pridelka in časa zrelosti koruze (Zea mays L. convar. aorista) cv. 'BC 28-11' od medvrstne in vrstne razporeditve semen pri setvi : diplomska naloga = Dependance of the yield and riping of corn (Zea mays L. convar aorista) cv. 'BC 28-11' from seeding in lines and between lines : graduation thesis
Kregar, Jože
Leta 1989 je bil v Ljubljani proučevan vpliv medvrstne in vrstne razporeditve semen ob setvi na pridelek in čas zrelosti koruznega hibrida zrelostnega razreda FAO 200 cv. 'BC 28-11'. V poskusu je ...bilo zajetih 15 gostot setve (od 4.769 semen/ha do 172.117 semen/ha) in trije načini razporeditve semen (enovrstna setev, setev v dvoje vrste in enakomerna razporeditev semen). V obliki funkcijske povezave y=-5,723134x10-7 x2 + 0,125x + 2.187,207 je bila ugotovljena visoko značilna funkcijska odvisnost višine pridelka (y - višina pridelka v 1.000 kg/ha) od gostote rastlin (X- gostota rastlin v 10.000 rastlin/ha) z maksimumom pri 109.206 rastlin/ha. LAI je bil pri tej gostoti setve 3,75. Pri najredkejši setvi (talna površina na rastlino je 2,33m2) je bil pridelek zrnja na rastlino 3,9 krat večji kot pri rastlinah, ki so dale maksimalen pridelek/ha. V okviru proučevanih načinov razporeditve semena pri setvi ni bila dokazana hipoteza, da razporeditev semen vpliva na višino hektarskega pridelka.
Type of material - undergraduate thesis
; adult, serious
Publication and manufacture - Ljubljana : [J. Kregar], 1991
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