Soil, humus and health an organic guide
I tiakina i:
Kaituhi matua: | Shewell-Cooper, W. E. (Wilfred Edward), 1900- |
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Hōputu: | Pukapuka |
Reo: | Ingarihi |
I whakaputaina: |
Newton Abbot
David & Charles
[1975]
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Ngā marau: | |
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Ngā tūemi rite
-
Humus acids of soils /
mā: Orlov, D. S. (Dmitrii Sergeevich)
I whakaputaina: (1985) -
Effect of organic fertilizer on soil physical properties and plant growth /
mā: Jo, In-Sang
I whakaputaina: (1990) -
Application of nitrogen-fixing systems in soil improvement and management
mā: Hamdi, Y.A
I whakaputaina: (1982) -
Potential hazards when using organic materials as fertilizers for crop production /
mā: Jacobs, Lee W.
I whakaputaina: (1990) -
Soil fertility evaluation and control /
mā: Black, C. A. (Charles Allen)
I whakaputaina: (1993)