Bilaketaren emaitzak - "Fertilizer."
Proposatutako topikoa bilaketarako iradokizunak
Proposatutako topikoa bilaketarako iradokizunak
- 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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121
The effect of green manure -chemical fertilizer combinations on soil fertility and yield of corn /
Argitaratua 1987Gaiak:Liburua
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122
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123
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124
The agricultural and horticultural use of sewage products : proceedings, a symposium held at the University of Western Sydney on the 31st October 1990 /
Argitaratua 1990Gaiak: “...Sewage sludge as fertilizers....”
Liburua -
125
The mineral nutrition of tea with particular reference to Potassium /
Argitaratua 1969Gaiak:Thesis Liburua -
126
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127
Production risk and optimal fertilizer rates : an application of the random coefficent model /
Argitaratua 1985Gaiak: “...Fertilizers....”
Liburua -
128
Response of grain sorghum to phosphorus and potassium in dry lowlands of Papua New Guinea /
Argitaratua 1981Gaiak: “...Phosphatic fertilizers Papua New Guinea....”
Conference Proceeding Liburua -
129
Handbook on environmental aspects of fertilizer use
Argitaratua 1983Gaiak: “...Fertilizers Handbooks, manuals, etc....”
Liburua -
130
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131
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132
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133
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134
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135
Advances in soil organic matter research: the impact on agriculture and the environment /
Argitaratua 1991Gaiak:Liburua -
136
Tropical soil biology and fertility : a handbook of methods /
Argitaratua 1993Gaiak: “...Soil fertility....”
Liburua -
137
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138
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139
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140