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1821
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1822
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1823
Cold tolerance of improved rice cultivars at seedling stage [microform].
Published 1978Visual Material -
1824
Yield and protein content of green vegetables soybeans as affected by time of harvest and date of planting [microform].
Published 1978Visual Material -
1825
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1826
Light interception and dry matter production of bush sitao [microform].
Published 1978Visual Material -
1827
Effects of nitrogen and plant density on the yield and quality of cabbage [microform].
Published 1978Visual Material -
1828
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1829
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1830