-
1231
Iron and manganese nutrition relationship in rice grown in the Philippines [microform]
Published 1977Visual Material -
1232
Assessing fertility status of soils deposited by flood, using soybean, Glycine Max (L) Merrill, as test crop [microform].
Published 1977Visual Material -
1233
Influence of the duration of submergence of the soil prior to transplanting on the growth and yield of rice [microform].
Published 1977Visual Material -
1234
-
1235
-
1236
-
1237
-
1238
-
1239
Nitrogen availability and release from organic matter of some Philippine soils under flooded conditions [microform]
Published 1977Visual Material -
1240


