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Study in yields and morphological characters of sugarcane as affected by spacing and fertilization [microform]
Julkaistu 1980Visual Material -
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Effects of fertilization, row spacing and weed control on the yield of upland rice [microform]
Julkaistu 1979Visual Material -
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Influence of nitrogen and plant spacing in the yield components of non-photoperiod sensitive rice varities [microform]
Julkaistu 1975Visual Material -
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