共 16 条
[11]
MORRISON KJ, 1962, 332 WASH STAT U EXT
[12]
PAPENDICK RI, 1977, J SOIL WATER CONSERV, V32, P49
[13]
VINCENT A, 1972, P C WINTER HARDINESS, P31
[14]
Webb RB, 1936, J AGRIC RES, V52, P0569
[15]
UNPUB ANN CLIMATOLOG
[16]
1956, 293 WASH AGR EXPT ST