Effects of basal Se fertilizers on nutrition values of naked oats

Abstract

Abstract: A randomized complete block design of 5 treatments with 4 replications was carried out at the Yellow River beach in Henan Province from 2008 to 2010. There were 20 plots each 7.5 m×2.0 m. The effects of basal Se fertilizer on nutrition values of forage and grain of naked oats was studied using basal Se fertilizer treatments of 0, 570, 765, 954, and 1 143 g/ha). 1) Safe amounts of Se fertilizer had no significant effect on the nutrition of hay and straw, and the safe amount to apply was from 570 g/ha to 765 g/ha. There was a significant effect on nutrition contents of hay and straw of naked oats with greater amounts. At an application rate of 954 g/ha Se fertilizer, there were significant increases of the contents of CP (crude protein), CF (crude fiber) and A (crude ash) [-7.34% (P＜0.05), 5.65% (P＜0.05) and 5.80% (P＜0.05) respectively] for hay, and increases of -7.16% (P＜0.05), 5.74% (P＜0.05) and 5.32% (P＜0.05) respectively for straw. With an increase of fertilizer amount, CP and NFE (non-nitrogen extract) decreased, while the contents of A, EE (ether extract), and CF increased. Se fertilizer had accumulation and saturation effects on naked oats. 2) Basal Se fertilizers had more apparent effects on the improvement of grain nutrition of naked oat. When application rates ranged from 570 g/ha to 765 g/ha, CP content increased significantly, but CF content decreased. When the application rate of Se fertilizer was over 954 g/ha, the content of EE increased significantly, but that of CF significantly decreased, while there were no obvious effects on the contents of CP and NFE.

CLC Number:

S512.606

GUO Xiao, JIE Xiao-lei, HU Hua-feng, LI Jian-ping, LI Ming, HUANG An-qun, SHI Zhi-fang. Effects of basal Se fertilizers on nutrition values of naked oats[J]. Acta Prataculturae Sinica, 2013, 22(1): 53-59.

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