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Acta Prataculturae Sinica ›› 2020, Vol. 29 ›› Issue (3): 137-146.DOI: 10.11686/cyxb2019279

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Effects of nitrogen and phosphate fertilizer application on yield and forage quality of forage triticale on the Haihe Plain

YOU Yong-liang, LI Yuan, ZHAO Hai-ming, WU Rui-xin, LIU Gui-bo*   

  1. Dryland Farming Institute of Hebei Academy of Agricultural and Forestry Sciences, Key Laboratory of Crop Drought Tolerance Research of Hebei Province, Hengshui 053000, China
  • Received:2019-05-29 Online:2020-03-20 Published:2020-03-20

Abstract: The effects of nitrogen and phosphate fertilizer application on the yield and forage quality of forage triticale were studied to determine the ideal fertilization rate for forage triticale crops on the Haihe Plain. The experiment was conducted over two growing seasons (2014-2016) using the triticale variety ‘Zhongsi 1048’, grown under a range of nitrogen (N: 0, 60, 120, 180, 240, 300 kg·ha-1) and phosphate (P2O5: 0, 45, 90, 135, 180, 225 kg·ha-1) fertilizer treatments, to evaluate responses in forage yield, agronomic traits, forage quality and soil nutrient status in forage triticale under these different nitrogen and phosphate fertilizer treatments. No significant difference was found between CK (N0P0) and any of the fertiliser treatments for the two-year average hay yield (P>0.05). Crude protein content was significantly higher than CK in the various fertiliser treatments (P<0.05), while ADF and NDF levels did not differ significantly between CK and the various fertiliser treatments (P>0.05). The effect of increasing nitrogen and phosphorus fertilizer on the yield of triticale was not obvious, but fertilizer did improve the forage quality of triticale. Multivariate analysis of the data showed that on the Haihe Plain, forage triticale could be planted without fertilization or once every other year in areas with good soil fertility, and with fertiliser application at sites with poor soil fertility. Based on these results, recommended fertilizer application rates for triticale hay production on the Haihe plain are: N, 120-180 kg·ha-1; P2O5, 90-135 kg·ha-1.

Key words: fertilization, triticale, production performance, forage quality