TY  - JOUR
T1  - Economic analysis of fertilization based on nutritional value of rangeland: A new opinion
TT  - Meranın besin değerine dayalı gübrelemenin ekonomik analizi: Yeni bir görüş
AU  - Aydın, İbrahim
AU  - Algan, Duygu
AU  - Ocak, Nuh
PY  - 2018
DA  - October
Y2  - 2018
DO  - 10.7161/omuanajas.404991
JF  - Anadolu Tarım Bilimleri Dergisi
JO  - ANAJAS
PB  - Ondokuz Mayıs University
WT  - DergiPark
SN  - 1308-8750
SP  - 246
EP  - 253
VL  - 33
IS  - 3
LA  - en
AB  - Concepts behind the bestmanagement practices of rangeland improvement include production, economics, aswell as social and environmental aspects. Although revenue in rangelands can beincreased by fertilization, total production cost can increase and as a result,net benefit may reduce due to increase in fertilizer application cost. Thisstudy examined differences between three economic analysis models (EAM): totalrevenue based on i) hay yield (HY), ii) conversion rate of consumable crudeprotein to meat on the hoof in cow-calf (CPM) and iii) yield and relative feedvalue (RFV) index as a new opinion to highlight the economic aspects related tothe N (0, 60 and 120 kg ha-1), P (0, 60 and 120 kg ha-1)and K (0 and 80 kg ha-1) fertilization (NPK) in degraded rangelands.For this purpose, a series of data, gathered from an experiment conducted toincrease the productivity of degraded rangelands by fertilization wereanalyzed. The results were most dissimilar for ‘the revenue’ variable and thisdifference lies in the fact that the EAMs estimated income in different ways.Due to the different revenue measurements, net benefit of CPM was the highest,while that of HY was the lowest. The HAY and RFV models indicate that NPKfertilizers did not increase forage production enough to be profitable foranimal production. This study does not strive to suggest one EAM over another;however, it examines the respective models concerning various data anddescribes underlying characteristics of EAMs to obtain a given increase in netbenefit.
KW  - Crude protein yield
KW  - Economic fertilization
KW  - Feed value
KW  - Improving rangeland
KW  - Net benefit
N2  - Mera iyileştirme uygulamaları ile ilgilikavramlar, sosyal ve çevresel etkilerin yanında üretim ve ekonomikliği dekapsamaktadır. Mineral gübrelemesi, meraların verimliliğini arttırabilse de,gübre uygulama maliyetindeki artış nedeniyle üretim maliyeti artabilir ve sonuçolarak, net fayda azalabilir. Çalışmada, bozulmuş merada N (0, 60 ve 120 kg ha-1),P (0, 60 ve 120 kg ha-1) ve K (0 ve 80 kg ha-1) gübre (NPK) uygulamasının ekonomikhususlarını vurgulamak için i) kuru ot verimi (KOV), ii) tüketilen ham proteininet ırkı sığırlarda can ağırlığa dönüşüm oranı (HPD) ve iii) yeni bir analizmodeli olarak verim ve nispi yem değeri (NYD) endeksi esasına dayalı toplamgelirleri esas alan üç ekonomik analiz modeli (EAM) arasındaki farklılıklarincelenmiştir. Bu amaçla, bozulmuş bir meranın gübreleme ile verimliliğiniartırmak için yürütülen bir araştırmaya ait bir dizi veriler analiz edilmiştir.Bulgular, en çok 'gelir' değişkeni bakımından farklılık göstermiş ve bufarklılığın, üç EAM’ın da gelirleri farklı şekillerde tahmin ettiği gerçeğindenkaynaklandığı belirlenmiştir. Farklı gelir ölçümleri nedeniyle, HPD, en yükseknet kara sahip olurken, KOV en düşük değere sahip olmuştur. KOV ve yeni birgörüş olarak NYD esaslı EAM, NPK gübreleri ile hayvansal üretim için kârlıolacak kadar kaba yem üretilemediğini göstermiştir. Bu çalışma, bir EAM' ninbir diğerine üstünlüğünü göstermek yerine, farklı verilerle ilgili modelleriincelemekte ve net faydada belirli bir artış elde etmek için EAM' lerin temelözelliklerini açıklamaktadır.
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UR  - https://doi.org/10.7161/omuanajas.404991
L1  - https://dergipark.org.tr/en/download/article-file/553603
ER  -