共 21 条
[11]
LUDLOW MM, 1975, ENV BIOL CONTROL PHO
[12]
MEDERSKI H. J., 1960, SOIL SCI SOC AMER PROC, V24, P149
[13]
MOODY PW, 1978, TROP GRASSLANDS, V12, P80
[14]
OLSEN S. R., 1961, SOIL SCI SOC AMER PROC, V25, P289
[16]
SMITH F W, 1975, Australian Journal of Experimental Agriculture and Animal Husbandry, V15, P383, DOI 10.1071/EA9750383
[17]
CRITICAL PHOSPHORUS LEVELS IN SUNFLOWER PLANTS
[J].
AUSTRALIAN JOURNAL OF EXPERIMENTAL AGRICULTURE,
1981, 21 (108)
:91-97
[18]
Stephens C.G, 1962, MANUAL AUSTR SOILS, VThird
[19]
PHYSIOLOGICAL BASES FOR ASSESSING THE NUTRITIONAL REQUIREMENTS OF PLANTS
[J].
ANNUAL REVIEW OF PLANT PHYSIOLOGY AND PLANT MOLECULAR BIOLOGY,
1952, 3
:207-228