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Start Over Author "TOLIMIR, MIODRAG" Publisher institut pkb agroekonomik, padinska skela
7 results on '"TOLIMIR, MIODRAG"'

1. Zp maize hybrids in the production trials in 2003

Author

Tolimir, Miodrag, Tolimir, Miodrag, Kaitović, Željko, Jovanović, Života, Rošulj, Milorad, Cvijanović, Gorica, Vesković, Miladin, Jovin, Predrag, Tolimir, Miodrag, Tolimir, Miodrag, Kaitović, Željko, Jovanović, Života, Rošulj, Milorad, Cvijanović, Gorica, Vesković, Miladin, and Jovin, Predrag

Abstract

An appropriate choice of the ZP hybrids is a result of studies on yielding carried out under different agroecological conditions. Results on yields of nine ZP hybrids (FAO 300-700) obtained in production trials in 24 locations carried out in 2003 are presented. The highest yields were detected in the following hybrids: ZP 434, ZP 684, ZP 360 and ZP 578. Furthermore, hybrids ZP 684 and ZP 434 overyielded all hybrids under agroecological conditions of Bačka. In Banat, hybrids ZP 434 and ZP 578 were highly ranked, while the highest yields in Srem were detected in the hybrids ZP 434 and ZP 360, Similar results were obtained in the regions of Central Serbia where hybrids ZP 434 and ZP 684 overyielded all other hybrids. Stated results point out to high yielding and adaptability of hybrids of a new generation (ZP 434, ZP 578 and ZP 684). At the same time, high yields of already widely grown hybrids (ZP 677 and ZP 704) were confirmed., Pravilnom izboru ZP hibrida prethode ispitivanja rodnosti u različitim agroekološkim uslovima. Na osnovu proizvodnih ogleda sa 24 lokaliteta izvedenih u 2003. godini prikazani su rezultati prinosa ZP hibrida (FAO 300-700). Po svojoj rodnosti posebno su se istakli hibridi ZP 434, ZP 684, ZP 360 i ZP 578. Posmatrano po različitim agroekološkim celinama na području Bačke najrodniji su bili ZP 684 i ZP 434. U Banatu su visoko rangirani ZP 434 i ZP 578, a u Sremu su najrodniji ZP 434 i ZP 360. Siični rezultati su dobijeni i u području Centraine Srbije gde su najprinosniji ZP434 i ZP684. Navedeni rezultati ukazuju na visoku rodnost i adaptîbilnost hibrida nove generacije (ZP 434, ZP 578 i ZP 684), a istovremeno se potvrđuje i visoka rodnost već provernih ZP hibrida (ZP 677 i ZP 704).

Published
2004

2. Tillage regimes and maize yield on chernozem

Author

Tolimir, Miodrag, Tolimir, Miodrag, Kresović, Branka, Jovanović, Života, Stefanović, Lidija, Videnović, Živorad, Tolimir, Miodrag, Tolimir, Miodrag, Kresović, Branka, Jovanović, Života, Stefanović, Lidija, and Videnović, Živorad

Abstract

Long-term experiments (1998-2000) with different regimes of both, tillage (direct sowing into stubble field - Al, tillage with a soil miller - A2 and conventional tillage - A3) and fertilising (without fertilising - Bl, standard rate - B2 and enhanced fertilising - B3) of soil under maize were performed with the aim to find out the possibility to exclude certain operations from soil tillage. Furthermore, effects of these regimes on maize yield, abundance and distribution of weed species were also observed. The trial was carried out on chernozem at the experimental farm of the Maize Research Institute, Zemun Polje. The hybrid ZPSC 704, locally developed, was directly sown by a planter at the rate of 60,600 plants ha-1. Obtained results point out to the advantages of conventional tillage over other regimes in respect to yield (A1 - 5.36 t x ha-1, A2 - 7.93 t x ha-1 and A3 - 9.86 t x ha-1) and abundance and distribution of weed species (A1 - 45.6 plants x m-2, A2 - 38.9 plants x m-2 and A3 - 7.0 plants x m-2). The application of higher rates of fertilisers resulted in significantly higher yield in comparison to other variants (B1 - 6.70 t x ha-1, B2 - 7.58 t x ha-1 and B3 - 8.86 t x ha-1), but the number of weed plants was also significantly higher. Moreover, gained results indicate that it is possible to recover the yield loss with higher rates of fertilisers if certain tillage operations have been omitted., Višegodišnja proučavanja (1998-2000) različitih sistema obrade (direktna setva u strnište - A1, obrada frezom - A2 i klasična obrada - A3) i đubrenja (bez đubrenja -B1, standardna doza - B2 i pojačano đubrenje - B3) zemljišta pod kukuruzom imala su za cilj iznalaženje mogućnosti izostavljanja pojedinih operacija pri obradi zemljišta, kao i njihov uticaj na prinos kukuruza, brojnost i zastupljenost dominantnih vrsta korova. Ogled je izvođen na černozemu, oglednog polja Instituta za kukuruz 'Zemun Polje'. Sejan je hibrid iz domaće selekcije ZPSC 704 sejalicom za direktnu setvu u gustini 60 600 bilj. x ha-1. Rezultati proučavanja ukazuju na prednost konvencionalne obrade u odnosu na ostale načine sa aspekta visine ostvarenih prinosa (A1 - 5,36 t x ha-1, A2 - 7,93 t x ha-1 i A3 - 9,86 t х ha-1), a takođe i sa aspekta zastupljenosti i brojnosti korovskih vrsta (A1 -45,6 jedinki х m-2, A2 - 38,9 jedinki х m-2 i A3 - 7,0 jedinki х m-2). Korišćenjem pojačane doze đubriva dobijeni su prinosi značajno viši u odnosu na ostale varijante (B1 - 6,70 t х ha-1, B2 - 7,58 t х ha-1 i B3 - 8,86 t x ha-1), ali je i brojnost korovskih jedinki, takođe, značajno veća. Osim ovoga rezultati pokazuju da je moguće povećanim dozama đubriva nadoknaditi manjak u prinosu nastao usled izostavljanja pojedinih operacija pri obradi zemljišta.

Published
2001

3. Regional distribution of the latest ZP maize hybrids generation by the heat summation method

Author

Jovanović, Života, Kresović, Branka, Tolimir, Miodrag, Filipović, Milomir, Dumanović, Zoran, and Lopandić, Dragiša

Subjects
rejonizacija, full maturity, suma toplotnih jedinica, heat unity sum, puna zrelost, nicanje, maize, regional distribution, biološki minimum, biological minimum, kukuruz, tasseling, setva, metličanje, sowing, emergence
Abstract

Five-year studies on the duration of the growing season of the VI generation of ZP maize hybrids were carried out on slightly calcareous chernozem at Zemun Polje in the 2009-2013 period. The following hybrids were observed: ZP 427 (FAO 400), ZP 555 and ZP 560 (FAO 500) as well as ZP 600, ZP 606 and ZP 666 (FAO 600) in the optimum sowing densities of 55- 65,000 plants x ha-1. The average duration of the growing season ranged from 121 days (ZP 427 - medium early maturity hybrid) over 125-128 days (ZP 555 and ZP 560 - medium maturity hybrids) to 130-134 days (ZP 600, ZP 606 and ZP 666 medium late maturity hybrids). The necessary heat unity sum for the medium early maturity hybrid, medium maturity hybrids and medium late maturity hybrids amounted to 1,315 oC, 1,315-1,363oC and to 1,425-1,461oC, respectively. This is a good indicator for the appropriate agroecological regional distribution of ZP hybrids. Obavljena su istraživanja dužine vegetacije šest hibrida kukuruza najnovije (VI) generacije ZP hibrida u agroekološkim uslovima Zemunskog polja u petogodišnjem periodu (2009-2013). Ispitivani su sledeći hibridi: ZP 427 (srednje rani), ZP 555 i ZP 560 (srednje stasni) i ZP 600, ZP 606 i ZP 666 (srednje kasni) FAO grupe zrenja 400,500 i 600. Dužina vegetacije bila je od 121 dan (ZP 427), 125-128 dana (ZP 555 i ZP 560) do 130-134 dana (ZP 600, ZP 666 i ZP 606). Ukupna suma toplotnih jedinica (efektivnih temperatura) bila je od 1.315o C do 1.461o C i to je polazna osnova za savremenu agroekološku rejonizaciju gajenja ZP hibrida FAO 400-600, tj. do 400-600 m n.v.

Published
2014

4. ZP maize hybrids in the production trials in 2006

Author

Jovanović, Života, Tolimir, Miodrag, and Kaitović, Željko

Subjects
rejonizacija, ZP hybrids, production trials, regioni (Bačka, Banat, Srem, Centralna Srbija), reonazition, ZP hibridi, prinos, proizvodni ogledi, yield, regions (Backa, Banat, Srem, Central of Serbia)
Abstract

An appropriate choice of the ZP hybrids is a result of studies on yielding carried out under different agroecological conditions. Results on yields of ZP hybrids (FAO 300-700) obtained in production trials in 36 locations carried out in 2006 are presented. The highest yield were detected in the following hybrids ZP 684 and ZP 544, ZP 434 and ZP 341. Furthermore, hybrids ZP 684 and ZP 704 over yielded all hybrids under agroecological conditions of Bačka. In Banat new hybrids ZP 341 and ZP 434 were highly ranked, while the highest yield in Srem were detected in the hybrids ZP 578 and ZP 544, and in the Central Serbia were hybrids ZP 684 and ZP 758. Stated results point out to high yielding and adaptability of hybrids of a new generation (ZP 341, ZP 434, ZP 544, ZP 578, ZP 684, ZP 758). At the same time, high yields of already widely grown old hybrids (ZP 677 and ZP 704) were confirmed. Institut za kukuruz "Zemun Polje" izvodi proizvodne oglede već pet godina, počev od 2002. godine u različitim agroekološkim rejonima Srbije, sa ZP hibridima FAO grupa od 300 do 700. Na osnovu višegodišnjih istraživanja (3-5 godina) može se uraditi potpuno pouzdana rejonizacija i praksi preporučiti najrodniji novi ZP hibridi uz već proverene, rodne hibride stvorene u ranijim ciklusima selekcije. U 2006. godini najviše prosečne prinose u Srbiji ostvarili su : ZP 684 (9,50 t/ha), ZP 544 (9,23 t/ha) i ZP 434 (9,21 t/ha). U regionu Bačke najbolji su bili: ZP 684 (10,43 t/ha), ZP 704 (10,25 t/ha) i ZP 544 (10,06 t/ha), u Banatu ZP 341 (10,02 t/ha), ZP 434 (9,50 t/ha) i ZP 684 (9,44 t/ha) i u Sremu ZP 578 (11,47 t/ha), ZP 544 (11,43 t/ha) i ZP 434 (11,34 t/ha). U Centralnoj Srbiji, dobijeni su niži prinosi, a najrodniji su bili: ZP 684 (8,20 t/ha), ZP 758 (7,63 t/ha) i ZP 544 (7,57 t/ha). ZP hibridi najnovije (V i VI generacije) ispoljili su visoku rodnost i stabilnost prinosa kao i široku prilagodljivost (adaptibilnost) na različite agroekološke uslove gajenja, nivo plodnosti zemljišta i primenu agrotehničkih mera (ZP 341, ZP 434, ZP 544, ZP 578, ZP 684 i ZP 758) i uz već proverene i u širokoj praksi prihvaćene (ZP 677 i ZP 704) hibride predstavljaće najznačajnije ZP hibride u narednim godinama.

Published
2007

5. The increase of the productivity of acid soils under different fertilization systems

Author

Vesković, Miladin, Cvijanović, Gorica, Tolimir, Miodrag, Jovanović, Života, and Jovin, Predrag

Subjects
fertilization systems, mere popravke, sistemi đubrenja, kisela zemljišta, improvement measures, acid soils
Abstract

Many literature data confirm that fertilizing eliminates, to the largest extent, great differences in natural productivity of various soils. Acid soils are considered one of main yield limiting factors in the plant production and are often studied. Results obtained in stationary trials with the application of different fertilization systems and acid soil improvement measures are used in the present study. According to gained results and conclusions based on them, certain fertilizations systems applied in maize cultivation on acid soils are quite sustainable, especially from the aspect of improvement of such soils and efficiency of applied fertilizers. Pseudogley improvement measures positively affected agrochemical soil properties and resulted in statistically very significant increase of maize yield in all observed locations. The effect of mineral fertilizers on maize yield was greater when they were applied together with improvement measures. At the same time, higher rates of mineral fertilizers did not increase yields in certain locations, due to poor moisture and physical properties of soils that eliminated efficiency of greater fertilizations rates. Veći broj podataka iz literature potvrđuje da se đubrenjem u najvećoj meri eliminišu velike razlike u prirodnim i proizvodnim sposobnostima različitih zemljišta. U biljnoj proizvodnji se vrlo često ističe da je problem kiselîh zemljišta jedan od osnovnih uzroka limitiranih prinosa, vrlo je čest predmet istraživanja. U ovom radu smo koristili rezuitate dobijene izvodenjem stacionarnih ogleda sa primenom različitih sistema đubrenja i mera popravke kiselih zemljišta. Dobijeni rezultati i zaključci koji su na osnovu toga izvedeni, jasno govore o održivosti pojedinih sistema đubrenja pri gajenju kukuruza na kiselim zemljištima, a posebno u pogledu popravke ovoh zemljišta i efikasnosti primenjenih đubriva. Mere popravke pseudogleja pozitivno su uticale na agrohemijske osobine zemljišta i na statistički vrlo značajno povećanje prinosa kukuruza, na svim lokalitetima na kojima su objavljena istraživanja. Efekat mineralnih đubriva na prinos kukuruza bio je veći u interakciji sa merama popravke, pri čemu veća količina mineralnih đubriva na pojedinim lokalitetima nije uticala na povećanje prinosa usled loših vodnofizičkih osobina zemljišta, koje eliminišu efikasnost većih doza đubriva.

Published
2004

6. Sustainability of different fertilizing systems in maize production

Author

Vesković, Miladin, Jovanović, Života, Jovin, Predrag, and Tolimir, Miodrag

Subjects
proizvodnja, kukuruz, production, maize, đubrenje, fertilizing
Abstract

According to Long term experiments on chernozem and pseudoglay with different fertilizing systems could be conclused: According to performed experiments certain systems of maize crop rotation significantly affected maize yield (8,51% to 19,41%), and also resulted in similar or higher yields with the application of lesser amounts of nitrogen (50%) of maize was grown in crop rotation with soybean. Soil organic matter content was significantly increased (10,76% to 27,7%) due to the application of organic fertilizers to chernozem. The effects of particular fertilizing systems with mineral and organic manure on maize yield increase (8,16% to 71,65%) were statistically significant. Furthermore, systems with organic fertilizer and lower amounts of nitrogen (46 kg ha-1) were especially economically justified. Stover ploughing positively affected yield increase in all fertilizing systems. Measures of soil amendment (CaO, "njival" liquid and stable manure) significantly influenced improvement of adverse agrochemical properties of pseudogley (pH, easy mobile Al, etc) and alongside with mineral nutrition significantly affected maize yield increase. The studies point out that the application of nitrogen fertilizers in the stationary trial resulted in significant increase of available nitrogen content and its accumulation over the whole depth of the soil profile of chernozem type of soil. This was especially expressed with the application of higher ratios of nitrogen fertilizers and the increases were statistically very significant. The long-term application of higher ratios of nitrogen fertilizer (270 kgN ha-1) leads to excessive accumulation of available nitrogen not only in surface but also in deeper layers of this soil, and therefore the risk from pollution by nitrates not only of plant products but of underground water increases and the outcome of it is economic loss. Based on the analyses of samples collected in four locations with similar soils under maize and the application of medium high ratios of nitrogen fertilizers (135 kgN ha-1) it is noticeable that available nitrogen content significantly varied over locations in relation to its distribution and its total content in the soil profile to the depth of up to 200 cm. Increased available nitrogen content in deeper layers and higher risk from underground. Na osnovu rezultata dugotrajnih stacionarnih ogleda obavljena su istraživanja održivosti pojedinih sistema đubrenja u proizvodnji kukuruza. Ogledi su izvođeni na zemunpoljskom černozemu i na kiselim zemljištima (pseudoglej i smeđe rudo kiselo zemljište), i na osnovu dobivenih rezultata mogu se izvući sledeći zaključci: - pri gajenju u monokulturi na černozemu dugotrajna primena različitih sistema đubrenja organskim (stajnjak i kukuruzovina) i mineralnim đubrivima vrlo značajno je uticala na promene sadržaja organske materije zemljišta pri čemu je povećanje sadržaja pod uticajem zaoravanja kukuruzovine i stajnjaka iznosilo 10,76% do 17,73%, pri čemu je došlo i do značajnog povećanja odnosa C/N. - mere popravke pseudogleja pozitivno su uticale na agrohemijske osobine zemljišta (povećanje pH vrednosti, povećanje zasićenosti bazama, kao i na značajno smanjenje sadržaja lakopristupačnog aluminijuma) - merama popravke pseudogleja statistički je vrlo značajno povećan prinos kukuruza na svim lokalitetima istraživanja, a efekat mineralnih đubriva na prinos kukuruza bio je veći u interakciji sa merama popravke. Veća količina mineralnih đubriva nije uticala na povećanje prinosa (Kraljevo), što se može objasniti lošim vodnofizičkim osobinama pseudogleja kao ograničavajućim faktorom. pojedini sistemi đubrenja mineralnim i organskim đubrivima vrlo značajno su uticali na povećanje prinosa (8,16% do 71,65%), pri čemu su posebno ekonomski opravdani sistemi sa organskim đubrivima i manjim količinama azota (46 kg ha-1). Zaoravanje kukuruzovine je vrlo povoljno uticalo na povećanje prinosa (6,89%) u odnosu na iste sisteme bez kukuruzovine. Efikasnost primenjenog stajnjaka je iznosilo nešto iznad 50% efikasnosti mineralnih đubriva, a pri zajedničkoj primeni sa kukuruzovinom, njegova efikasnost je vrlo značajno povećana, i tako se na černozemu prinos može održavati na visokom nivou i bez primene mineralnih đubriva. Rezultati istraživanja su pokazali da su pojedini plodoredi na černozemu vrlo značajno uticali na povećanje prinosa kukuruza (8,51% do 19,42%), a pri tome je značajno povećana efikasnost primenjenih mineralnih đubriva, posebno ukoliko je kukuruz gajen u plodoredu sa sojom (dvopolje) i pšenicom i sojom (tropolje). Primena visokih doza azota u vidu mineralnih đubriva kao i akumulacija vode u mikrodepresijama na propusnim zemljištima, značajno su uticali na ispiranje i akumulaciju pristupačnog azota po celom zemljišnom profilu što može uticati na zagađivanje podzemnih voda.

Published
2002

7. ZP maize hybrids in the production trials in 2005

Author

Jovanović, Života, Jovanović, Života, Tolimir, Miodrag, Kaitović, Željko, Jovanović, Života, Jovanović, Života, Tolimir, Miodrag, and Kaitović, Željko

Abstract

An appropriate choice of the ZP hybrids is a result of studies on yielding carried out under different agroecological conditions. Results on yields of ZP hybrids (FAO 300- 700) obtained in production trials in 36 locations carried out in 2005 are presented. The highest yield were detected in the following hybrids ZP 544 and ZP 758, ZP 684 and ZP 578. Furthermore, hybrids ZP 544 and ZP 684 over yielded all hybrids under agroecological conditions of Bačka. In Banat new hybrids ZP 544 and ZP 758 were highly ranked, while the highest yield in Srem were detected in the hybrids ZP 544 and ZP 684, and in the Central Serbia were hybrids ZP 544 and ZP 578. Stated results point out to high yielding and adaptability of hybrids of a new generation (ZP 544, ZP 578, ZP 684, ZP 758). At the same time, high yields of already widely grown old hybrids (ZP 677 and ZP 704) were confirmed., Pravilnom izboru ZP hibrida prethode ispitivanja rodnosti u različitim agroekološkim uslovima. Na osnovu proizvodnih ogleda na 36 lokaliteta izvedenih u 2005. godini prikazani su rezultati prinosa ZP hibrida (FAO 300-700). Po svojoj rodnosti posebno su se istakli novi hibridi ZP 544 i ZP 758, ZP 684 i ZP 578. Posmatrano u različitim agroekološkim uslovima u regionu Bačke najrodniji su bili ZP 544 i ZP 684. U regionu Banata najprinosniji su novi hibridi ZP 544 i ZP 758, u Sremu ZP 544 ZP 684, a u Centralnoj Srbiji ZP 544 i ZP 578. Navedeni rezultati ukazuju na visoku rodnost, stabilnost i adaptibilnost hibrida nove generacije (ZP 544, ZP 578, ZP 684 i ZP 758), kao i na proverenu i u praksi potvrđenu rodnost ranije stvorenih ZP hibrida (ZP 677 i ZP 704).

Published
2006

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