共 11 条
[1]
BEAR F, 1964, CHEMISTRY SOIL
[2]
ROOT TRACING BY 2-LAYER RADIOISOTOPE APPLICATION
[J].
INTERNATIONAL JOURNAL OF APPLIED RADIATION AND ISOTOPES,
1966, 17 (10)
:573-+
[3]
CROUTHAMEL CE, 1960, APPLIED GAMMA RAY SP
[4]
A CHEMICAL-FALLOW TECHNIQUE FOR CONTROL OF DOWNY BROME AND ESTABLISHMENT OF PERENNIAL GRASSES ON RANGELAND
[J].
JOURNAL OF RANGE MANAGEMENT,
1967, 20 (01)
:35-&
[5]
WHEATGRASS ESTABLISHMENT WITH PARAQUAT AND TILLAGE ON DOWNY BROME RANGES
[J].
WEEDS,
1967, 15 (01)
:50-&
[6]
Jackson ML, 1958, SOIL CHEMICAL ANALYS
[8]
PRICE KR, 1965, PHYSICS, V11, P1521
[9]
RAJA MANZOOR E., 1961, SOIL SCI, V91, P1, DOI 10.1097/00010694-196101000-00001