检索结果 - "Nitrogen fertilizers."

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  1. 1

    Process technologies for nitrogen fertilizers

    出版 1978
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  2. 2

    The effect of fertilizer nitrogen on accumulation and redistribution of dry matter and nitrogen in winter wheat (Triticum aestivum L.) 由 Sönmez, Fahri

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  3. 3

    Effect of nitrogen on fruit and seed yield and seed quality of tomato 由 Ho, I-Liang 1932-

    出版 1970
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  4. 4

    Effects of nitrogen forms and methods of application for lowland rice 由 Simsiman, Geronimo Vivit 1937-

    出版 1966
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  5. 5

    Methods, sources and time of nitrogen application for upland rice 由 Thasanasongchan, Akwut 1945-

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  6. 6

    Timing of nitrogen application on lowland rice varieties differing in growth duration 由 Obias, Raymundo O. 1941-

    出版 1967
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  7. 7

    Methods, sources and time of nitrogen application for upland rice [microform] 由 Thasanasongchan, Akwut 1945-

    出版 1977
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  8. 8

    Timing of nitrogen application on lowland rice vareities differing in growth duration [microform] 由 Obias, Raymundo O. 1971-

    出版 1975
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  9. 9

    Effect of nitrogen on fruit and seed yield and seed quality of tomato [microform] 由 Ho, I-Liang 1932-

    出版 1977
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  10. 10

    The effects of sources, placements, timing of nitrogen application and placements of phosphorus fertilizer on the nitrogen uptake, growth and yield of rice variety BPI 76 and on le... 由 Carangdang, Diosdado A. 1935-

    出版 1977
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