共 28 条
[1]
ALBERDA T, 1963, HERB ABSTR, V33, P141
[2]
ALBERDA TH., 1957, Plant and Soil, V8, P199, DOI 10.1007/BF01666158
[3]
DAVIES I, 1961, 1960 WELSH PL BREED, P59
[4]
DELPOZOIBANEZ M, 1965, HERB ABSTR, V34, P117
[5]
GARWOOD EA, 1962, 1960 61 GRASSL RES I, P44
[6]
HORROCKS RD, 1968, 753 PENNS STAT U COL
[7]
JAMESON DONALD A., 1959, JOUR RANGE MANAGEMENT, V12, P122, DOI 10.2307/3895168
[8]
JONES LI, 1959, MEASUREMENT GRASSLAN, P34
[9]
LAMBERT DA, 1961, 195960 REP GRASSL RE, P83