共 38 条
[11]
KAI H, 1978, NITROGEN RICE
[12]
KHIND C S, 1975, Journal of the Indian Society of Soil Science, V23, P442
[13]
KOSHINO M, 1973, 1 P INT C HUM ENV, P206
[14]
MAGUIAT UJ, 1973, SOIL SCI PL NUTR, V19, P95
[15]
MANGUIAT I J, 1977, Philippine Agriculturist, V60, P367
[17]
MEELU OP, 1980, COMMUNICATION
[18]
MEELU OP, 1980, PROGR FARMING, V16, P13
[20]
OZA A M, 1980, Journal of the Indian Society of Soil Science, V28, P85