共 24 条
[3]
Karl A, 1956, AIKAKAUST, V28, P18, DOI DOI 10.23986/AFSCI.71402
[4]
Katyal JC, 1983, FAO FERTILIZER PLANT, V7, P82
[5]
LEEPER GW, 1978, MANAGING HEAVY METAL
[7]
LEVESQUE MP, 1980, LRRI MONOGRAPH, V62
[9]
Lucas R.E., 1975, PEAT IN HORTICULTURE, P40