The effect of ameliorative tillage on root development, weed control, morfological [i.e. morphological] and productive properties [of] sunflower and maize | Uticaj meliorativne obrada zemljišta na razvoj korenovog sistema, zakorovljenost, morfološke i produktivne osobine suncokreta i kukuruza
2009
Kovačević, D., Poljoprivredni fakultet, Beograd - Zemun (Serbia) | Dolijanović, Ž., Poljoprivredni fakultet, Beograd - Zemun (Serbia) | Jovanović, Ž., Institut za kukuruz Zemun Polje, Beograd - Zemun (Serbia) | Kolčar, D., Institut za kukuruz Zemun Polje, Beograd - Zemun (Serbia)
The following ameliorative and conventional tillage systems were included investigations: 1) ameliorative tillage system (ATS) - includes new types machines for field systematisation-scrapers (USM 5) in autumn, drainage plow on the depth of 60-80 cm, and subsoiling with heavy vibratory subsoiler VR 5. on 30-35 cm depth. After basic tillage we prepared soil for seeding with preparation by disking and harrowing. 2) Conventional tillage (CT) - in this case includes ploughing to the depth of 30-35 cm + presowing preparation by disking and harrowing. The following morphological and productive properties were studied: root distribution, biomass stalk, leaves, head of sunflower, ear of maize, and grain yield in two growth stages at the end of vegetative and in full reproductive growth stages. Ameliorative tillage systema had better effect for all investigated morphological properties on this heavy soil type. Many of them are important for productive properties was statistically significant compared with control (CT). Ameliorative tillage system increase significantly grain yield of sunflower (274 kg/ha) and maize (629 kg/ha) compared with conventional tillage systems on control variants.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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