Pristas J.Study of the formation of aboveground dry matter of hybrid sudangrass nitrogen doses using growth analysis[J].Herbage Abstracts,1984,54(6):1699.
Matsunaka T,Sawamoto T,Ishimura T,Takakura K,Takekawa A.Efficient use of digested cattle slurry from biogas plant with respect to nitrogen recycling in grassland[J].International Congress Series,2006,1293:242-252.
[18]
Baresak Z,Bobrzecka D,Domska D.Influence of fertilization on yield and crude protein content in dactylis glomerata and Bromus inermis[J].Novenytermeles,1983,32(2):163-173.
[19]
Susan C M,James D H.Effects of nitrogen and potassium in kikuyu grass on feeding by yellow sugarcane aphid[J].Group Protection,2006,26(4):1-4.
[20]
El-shawareb O A,Hassan M T,Elmagd M A,Youngs A,HyAbdil-hady H L.Forage yield of Sudangrass as affected by planting methods and different seeding rates[J].Agricultural Research Review,1980,58(8):89-99.