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Influenţa fertilizării minerale asupra producţiei la amestecul de lucernă şi golomăţ în anul III de vegetaţie
Muntianu, Iulian Constantin; Stavarache, Mihai; Ciobanu, Ciprian et al.
2012In Ţenu, Ioan; Vîntu, Vasile; Jităreanu, Gerard (Eds.) Durable Agriculture and Food Security – Priority objectives in research activity of the Ph.D. students from the UASVM Iasi
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Keywords :
mixture; fertilization; alfalfa; orchard grass; production
Abstract :
[en] This study was conducted during three production cycles of the third year of vegetation. The main objective was to determine the production of dry matter (DM) and crude protein (CP) made under the influence of mixture and fertilization with nitrogen on P50 agrofond to alfalfa and orchard grass. To achieve these objectives, three variants of mixture were tested between alfalfa and cocksfoot that were applied to four rates of mineral fertilizers. The mixture 75% alfalfa (Medicago sativa L.) and 25% orchard grass (Dactylis glomerata L.) under the effect of dosing with N100P50achieved the highest production increase of DM on cycle I, 108% (5.24 Mg haDM) compared to the control, unfertilized alfalfa in pure culture (4.85 Mg ha DM). The highest increase forthe CP yield was obtained on cycle I from the 100% alfalfa fertilized with doses of N-1-1100P50, 122% (1230 kg haCP) from 100% alfalfa unfertilized (1009 kg ha CP). Alfalfa fertilized with N-1-1100P50 rate had the highest increases on total DM yield (106%, 10.64 Mg haDM) and on total quantity of CP(124%, 2304 kg ha CP).
Disciplines :
Agriculture & agronomy
Author, co-author :
Muntianu, Iulian Constantin
Stavarache, Mihai
Ciobanu, Ciprian
Samuil, Costel
Vintu, Vasile
Dale, Laura ;  Université de Liège - ULiège > Doct. sc. agro. & ingé. biol.
Language :
English
Title :
Influenţa fertilizării minerale asupra producţiei la amestecul de lucernă şi golomăţ în anul III de vegetaţie
Alternative titles :
[en] Influence of mineral fertilization on the production of a mixture of alfalfa and orchard grass in the year III of vegetation
Publication date :
07 December 2012
Event name :
Durable Agriculture and Food Security – Priority objectives in research activity of the Ph.D. students from the UASVM Iasi
Event organizer :
University of Agricultural Sciences and Veterinary Medicine Iaşi
Event place :
Iaşi, Romania
Event date :
7-10-2012
Audience :
International
Main work title :
Durable Agriculture and Food Security – Priority objectives in research activity of the Ph.D. students from the UASVM Iasi
Editor :
Ţenu, Ioan
Vîntu, Vasile
Jităreanu, Gerard
Publisher :
Ion Ionescu de la Brad, Iaşi, Romania
ISBN/EAN :
978-973-147-113-6
Pages :
50-53
Peer reviewed :
Peer reviewed
Funders :
POSDRU/88/1.5/S/ 52176
Commentary :
Prezentul studiu cuprinde datele pe trei cicluri de producţie din anul al treilea de cultură. Principalul obiectiv l-a constituit determinarea producţiei de substanţă uscată (SU) şi de proteină brută (PB) sub influenţa amestecului şi a fertilizării cu azot pe agrofondul P50 la lucernă şi golomăţ. Pentru a realiza acest obiectiv, am experimentat trei variante de amestec între lucernă şi golomăţ la care s-au aplicat patru rate de îngrăşăminte minerale. Amestecul lucernă 75% (Medicago sativa L.) + 25% golomăţ (Dactylis glomerata L.) la doza de N100P50a realizat cel mai mare spor privind producţia de SU la ciclul I, de 108% (5,24 t/ha SU), comparativ cu martorul lucernă simplă nefertilizată (4,85 t/ha SU). Cel mai mare spor pentru cantitatea de PB a fost obţinut la ciclul I de la lucernă 100% fertilizată cu N100P50, de 122% (1230 kg/ha PB), comparativ cu martorul (1009 kg/ha PB). Lucerna în cultură pură fertilizată cu doza maximă N100P50 a realizat cele mai mari sporuri la producţia totală de SU (106%, 10,64 t/ha SU) şi la cantitatea totală de PB (124%, 2304 kg/ha PB).
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