83. |
Donovan, W. Graeme Soil fertility management in sub-Saharan Africa
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Work Text Monograph |
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84. |
Soil fertility management in communal areas of Zimbabwe
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252982 |
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85. |
Gilman, Steve Organic soil fertility management
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13619412 |
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87. |
Jadeja, A. S. (Agriculturist) Soil fertility and nutrient management
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89. |
Hilhorst, Thea Integrated soil fertility management
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91. |
On-farm trials for integrated soil fertility management
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14706653 |
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92. |
Towards integrated soil fertility management in Tanzania
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13226990 |
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93. |
Boesen, Jannik Soil fertility management in semi-arid agriculture in Tanzania
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13001586 |
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94. |
G. Panpatte, Deepak Soil fertility management for sustainable development
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95. |
Bationo, Andre Lessons learned from long-term soil fertility management experiments in africa
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99. |
Soil fertility and fertilizers
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17651550 |
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100. |
Soil fertility and land productivity
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