Weed Control and Grain Yield in Double-Cropped Soybean
Suzbijanje korova i prinos zrna u postrnom usevu soje
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Author
Simic, Milena
Momirovic, Nebojsa
Dolijanovic, Zeljko
Radosevic, Zeljko
Keywords
WeedsControl
Double-cropped soybean
Tillage method
Herbicide treatment
Yield
Korovi
suzbijanje
postrna soja
sistem obrade zemljišta
primena herbicida
prinos
Metadata
Show full item recordAbstract
The effects of different herbicide combinations: control (1), alachlor+linuron (2), and
alachlor+linuron+imazethapyr (3) were investigated in double-cropped soybean grown in
two row spacing variants, 38 cm and 76 cm, under conventional tillage (CT) or no-tillage
(NT). In trials conducted on a sandy loam soil at Zemun Polje, high weediness had a negative
effect of on the yield of double-cropped soybean, especially at the higher row spacing
tested and with no-tillage.
Regression and correlation data revealed a dependence of weediness in double-cropped
soybean on tillage system and herbicide combination, and dependence of soybean
yield on tillage system. U radu su prikazani rezultati uticaja primene različitih kombinacija herbicida: kontrola
(1); alahlor+linuron (2); alahlor+linuron+imazetapir (3); u postrnom usevu soje gajenom na
dva međuredna rastojanja: 38 cm; 76 cm; u konvencionalnom sistemu obrade (CT) i u direktnoj
setvi (NT). Na zemljištu tipa slabokarbonatni černozerm u Zemun Polju konstatovan
je negativan uticaj povećane zakorovljenosti na prinos soje u postrnoj setvi, posebno gajenjem
na većem međurednom rastojanju i direktnom setvom u neobrađeno strnište.
Utvrđene su jasne regresione i korelacione zavisnosti zakorovljenosti postrnog useva
soje od sistema obrade zemljišta, zakorovljenosti i kombinacije primenjenih herbicida, kao i
prinosa soje od sistema obrade zemljišta.