共 15 条
[2]
Yields of crop dry matter and nitrogen in long-term barley rotation trials at two sites in northern Syria.[J].M. J. Jones;M. Singh.The Journal of Agricultural Science.1995, 3
[3]
The effect of seed rate and nitrogen fertilizer on the yield and nutritive value of oat-vetch mixtures.[J].N. Moreira.The Journal of Agricultural Science.1989, 1
[4]
The effect of stage of maturity on the yield and chemical composition of oats for haymaking.[J].I. A. Nicholson.The Journal of Agricultural Science.1957, 2
[5]
[6]
[7]
[8]
[9]
[10]

