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7071
Influence of nitrogen and plant spacing in the yield components of non-photoperiod sensitive rice varities [microform]
प्रकाशित 1975Visual Material -
7072
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7073
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7074
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7075
Hygroscopicity and longevity of some crop seeds at College, Laguna, Philippines [microform]
प्रकाशित 1975Visual Material -
7076
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7077
Timing of nitrogen application on lowland rice vareities differing in growth duration [microform]
प्रकाशित 1975Visual Material -
7078
The adoption of a new variety (IRS) in a Philippine community [microform]
प्रकाशित 1975Visual Material -
7079
An attitude study on the radio support of the Masagana 99 information programs [microform]
प्रकाशित 1975Visual Material -
7080
Effect of x-rays on the pathogenicity of Pyricularia ryzae Cav. and on the resistance of rice varieties [microform]
प्रकाशित 1975Visual Material