共 26 条
[2]
BARBER DA, 1963, ACRL10 AGR RES COUNC, P52
[4]
FUJIWARA AKIO, 1956, TOHOKU JOUR AGRIC RES, V7, P85
[5]
Jackson ML, 1958, SOIL CHEMICAL ANALYS
[6]
LAI TM, 1961, P JAPAN C RADIOISOTO, V4, P1127
[8]
MCVICKAR MH, 1963, FERTILIZER TECHNO ED, P429
[10]
MILLAR CE, 1958, FUNDAMENTALS SOIL SC