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21
Survival of Pseudomonas solanacearum E. F. Smith in the rhizosphere of some weed and economic plant specied [microform]
Published 1981Visual Material -
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25
Productivity and returns to inputs of fishpan aquaculture in the Philippines [microform]
Published 1981Visual Material -
26
Shifts in weed and weed seed population under different multiple cropping patterns [microform]
Published 1981Visual Material -
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Mass media habits of rural people in a Philippine municipality [microform].
Published 1980Visual Material