共 12 条
[1]
FROSHEY CG, 1963, AM SOC HORTIC SCI P, V83, P12
[2]
A LONG-TERM MANURIAL TRIAL ON DESSERT APPLE TREES
[J].
JOURNAL OF HORTICULTURAL SCIENCE & BIOTECHNOLOGY,
1965, 40 (03)
:213-&
[3]
HEWITT EJ, 1966, 22 COMM AGR BUR TECH
[4]
HOAGLAND DR, 1950, 347 CAL AGR EXP STA
[5]
HOHLT HE, 1966, P AM SOC HORTIC SCI, V89, P478
[8]
Walsh L. M, 1971, ATOMIC ABSORPTION FL
[10]
WARD GM, 1967, P AM SOC HORTIC SCI, V90, P335