অনুসন্ধান ফলাফলগুলি - "Nitrogen fertilizers."
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Timing of nitrogen application on lowland rice varieties differing in growth duration
প্রকাশিত 1967গবেষণাপত্র -
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Methods, sources and time of nitrogen application for upland rice [microform]
প্রকাশিত 1977Visual Material -
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Timing of nitrogen application on lowland rice vareities differing in growth duration [microform]
প্রকাশিত 1975Visual Material -
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Effect of nitrogen on fruit and seed yield and seed quality of tomato [microform]
প্রকাশিত 1977Visual Material -
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