Hakutulokset - "Fertilizer."
Aihe-ehdotuksia
Aihe-ehdotuksia
- Fertilizers 131
- Soil fertility 47
- Fertility, Human 40
- Soils 38
- Nutrition 25
- Rice 25
- Nitrogen fertilizers 24
- Research 18
- Organic fertilizers 17
- Agriculture 13
- Plants 13
- Fertilizer industry 11
- Nitrogen content 11
- Economic aspects 10
- Phosphatic fertilizers 10
- Birth control 9
- Pastures 9
- Compost 8
- Environmental aspects 8
- Manures 8
- Soil management 8
- Crop yields 7
- Developing countries 7
- Fertilizers and manures 7
- Foliar diagnosis 7
- Analysis 6
- Fertilization in vitro, Human 6
- Population 6
- Potassium fertilizers 6
- Soil conservation 6
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21
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22
Proceedings of the International Conference on Water Hyacinth Hyderabad, India, February 7-11, 1983 /
Julkaistu 1984Aiheet: “…Acquatic plants as fertilizer.…”
Konferenssijulkaisu Kirja -
23
Compost, fertilizer, and biogas production from human an farm wastes in the People's Republic of China /
Julkaistu 1978Aiheet: “…Sewage as fertilizer China.…”
Kirja -
24
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25
Research on algae, blue-green algae, and phototrophic nitrogen fixation at the International Rice research Institute (1963-81), summarization, problems, and prospects /
Julkaistu 1982Aiheet: “…Nitrogen-fixing algae as fertilizer.…”
Kirja -
26
Certain nitrogenous fertilizers (anti-dumping) /
Julkaistu 1984Aiheet: “…Fertilizer industry Australia.…”
Kirja -
27
Handbook of organic waste conversion /
Julkaistu 1980Aiheet: “…Organic wastes as fertilizer.…”
Kirja -
28
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29
Marketing, distribution and use of fertilizer in Papua New Guinea : a report /
Julkaistu 1980Aiheet:Kirja -
30
China, recycling of organic wastes in agriculture : report on an FAO/UNDP study tour to the People's Republic of China 28 April-24 May 1977.
Julkaistu 1977Aiheet: “…Organic wastes as fertilizer China.…”
Kirja -
31
Effects of lime-treated sewage sludge on soil properties and plant growth /
Julkaistu 1984Aiheet: “…Sewage sludge as fertilizer.…”
Kirja -
32
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33
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34
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35
Combinations of organic and inorganic fertilizer for crop production /
Julkaistu 1993Aiheet: “…Fertilizers.…”
Kirja -
36
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37
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38
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39
Harvesting polluted waters : waste heat and nutrient-loaded effluents in the aquaculture /
Julkaistu 1976Aiheet:Kirja -
40
The Influence of sewage sludge application on physical and biological properties of soils : proceedings of a seminar organized jointly by the Commission of the European Communities...
Julkaistu 1983Aiheet: “…Sewage sludge as fertilizer.…”
Kirja