共 22 条
[1]
ATKINSON D, 1976, 1976 P BRIT CROP PRO, P873
[2]
BAEUMER K, 1973, ZEROTILLAGE ADV AGRO, V25, P77
[3]
BANWELL MG, 1972, 11TH P BRIT WEED CON, P1002
[4]
Black C.A, 1965, METHODS SOIL ANAL 3, V2, P1149, DOI DOI 10.2136/SSSABOOKSER5.3.C37
[5]
Blakemore L.C., 1972, METHODS CHEM ANAL SO
[6]
COLWELL J. D., 1963, AUSTRALIAN JOUR EXPTL AGRIC AND ANIMAL HUSB, V3, P190, DOI 10.1071/EA9630190
[7]
EFFECT OF NITROGEN ON YOUNG, NEWLY-PLANTED, APPLE ROOTSTOCKS IN PRESENCE AND ABSENCE OF GRASS COMPETITION
[J].
JOURNAL OF HORTICULTURAL SCIENCE,
1976, 51 (03)
:321-327
[8]
Harris W., 1978, Plant relations in pastures., P67
[9]
Henzell E. F., 1973, Chemistry and biochemistry of herbage. Volume 1., P227
[10]
Hilkenbaumer F., 1974, Erwerbsobstbau, V16, P37