-
771
-
772
-
773
Perennial nutsedge (Cyperus rotundus L.) competition with upland rice and its chemical control [microform].
Published 1977Visual Material -
774
-
775
Resistance to the brown planthopper, Nilaparvata lugens (Stal) in the rice varieties [microform].
Published 1977Visual Material -
776
The inheritance of resistance to green leafhopper, nephotettix virescens distant, in some rice varieties [microform].
Published 1977Visual Material -
777
Effects of temperature and light on transmission of rice tungro disease [microform].
Published 1977Visual Material -
778
Meloidogyne incognita its effects on tomato yield and some methods of its control [microform].
Published 1977Visual Material -
779
Relation between chemical constituents of rice leaves and resistance to the blast disease [microform].
Published 1977Visual Material -
780
Bacterial soft rot of papaya (Carica papaya L.) in the Philippines [microform].
Published 1977Visual Material