共 25 条
[1]
BLACKMAN G. E., 1959, ANN BOT, V23, P131
[2]
BODLAENDER K. B. A., 1966, EUR POTATO J, V9, P242, DOI 10.1007/BF02364682
[5]
Cooper J. P., 1970, Herbage Abstracts, V40, P1
[6]
POTATO YIELDS AS RELATED TO NITRATE LEVELS IN PETIOLES AND SOILS
[J].
AMERICAN POTATO JOURNAL,
1971, 48 (04)
:105-+
[7]
DYKE GV, 1972, ROTHAMSTED EXP STN R, P246
[8]
GAASTRA P., 1958, MEDEDEL LANDBOUWHOGESCH WAGENINGEN, V58, P1