共 10 条
[1]
WATER-SOLUBLE NO3-NITROGEN, PO4-PHOSPHORUS, AND TOTAL SALT BALANCES ON A LARGE IRRIGATION TRACT
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1971, 35 (02)
:331-+
[2]
CARTER DL, 1973, ARSW4 USDA
[3]
GLYMPH LM, 1967, 85 AM ASS ADV SCI PU, P205
[4]
FRACTIONAL WATER-SEDIMENT SAMPLER
[J].
SOIL SCIENCE SOCIETY OF AMERICA PROCEEDINGS,
1972, 36 (02)
:376-+
[5]
MECH STEPHEN J., 1967, AGRONOMY, V11, P950
[6]
ROBINSON AR, 1971, J SOIL WATER CONSERV, V26, P61
[7]
WADLEIGH CH, 1968, USDA1065 MISC PUB
[8]
1969, CHARACTERISTICS POLL, P56
[9]
1968, NATIONAL PROGRAM RES
[10]
1968, RESEARCH NEEDS, P70