EFFECTS OF NITROGEN FERTILIZER DOSES ON IMPORTANT AGRONOMIC CHARACTERS IN SOME FORAGE GRASSES
Öz
This study was carried out to investigate the effect of various levels of N fertilizer and farmyard manure on important agronomic characters of some forage grasses under dry conditions of Ankara, at the experiment field of Agronomy Department, Agricultııral Faculty, Ankara University during 1996-97.
Crested wheatgrass, intermediate wheatgrass and smooth bromegrass were used as the plant material. 0, 4, 8, 12 kg N as amonium sulphate per decare and 1000, 2000, 3000 kg/da of farmyard manure were applied. Main tiller length, number of tillers, herbage and hay yield, dry matter ratio and yield and crude protein ratio and yield were studied in the experiment.
The tallest main tiller, the highest tiller number, fresh and hay yield, dry matter yield and ratio crude protein yield and ratio in crested wheatgrass were obtained from 12 kg N/da applied plots.
The highest herbage and hay yield, dry matter yield, crude protein ratio and yield for intermediate wheatgrass were obtained from 12 kg N/da applied plots: meanwhile the tallest main tiller was taken from 3000 kg farmyard manure /da; the highest dry matter was found in control.
The highest tiller numbers, herbage and hay yield, dry matter yield, crude protein yield and ratios, smooth bromegrass were taken from 12 kg N/da applied plots; the tallest main tiller from 3000 kg farmyard manure /da, the highest dry matter ratio were found in control and 1000 kg farmyard manure /da and 3000 kg farmyard manure /da applied plots.
Anahtar Kelimeler
Kaynakça
- AÇIKGÖZ. E. 1982. Adi otlak ayrığı (Agropyron cristatıım (L) Gaertn.)"nda bazı morfolojik ve tarımsal özellikler ile çiçek biyolojisi üzerinde araştırmalar. Ankara Univ. Zir. Fak. Yayınları: 802. Bilimsel Araştırma ve İncelemeler: 475, Ankara.
- AÇIKGÖZ, E. 1991. Yembitkileri. Uludağ Üniversitesi Ziraat Fakültesi Yayın No: 7-025-0210. Bursa.
- ALTIN, M. 1982. Erzurum şartlarında bazı yem bitkileri ile bunların karışımlarının değişik azot dozlarmdaki kuru ot ve ham protein verimleri ile karışımların botanik kompozisyonu. TÜBİTAK VII. Bilim Kongresi 552/TOAG 115. s: 327-362.
- ANONİM. 1952. Manual for testing agricultural and vegetable seeds. United States Department of Agriculture. Agriculture Handbook No: 30. Washington, D.C., USA.
- ANONİM. 1997. Tarım istatistikleri özeti 1996. T.C. Başbakanlık Devlet İstatistik Enstitüsü. Yayın No : 2068
- ANONİM. 1998. Devlet Meteoroloji İşleri Genel Müdürlüğü verileri (1926-1994, 1995, 1996 ve 1997 yılları).
- COLVİLLE, W.L., CHESNIN, L. and MCGILL, D.F. 1963. Effect of precıpıtatıon and long term nitrogen fertilization on nitrogen uptake, crude protein content and yield of bromegrass forage. Agronomy J. 55 (3): 215-218.
- DÜZGÜNEŞ, O., KESİCİ, T. ve GÜRBÜZ, F. 1983. İstatistik metodları. Ankara Üniv. Zir. Fak. Yayınları: 861, Ders kitabı: 229.
Ayrıntılar
Birincil Dil
İngilizce
Konular
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Bölüm
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Yayımlanma Tarihi
1 Haziran 2000
Gönderilme Tarihi
24 Temmuz 2014
Kabul Tarihi
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Yayımlandığı Sayı
Yıl 2000 Cilt: 9 Sayı: 1-2