Αποτελέσματα αναζήτησης - "Fertilizer."

Composting and crop production on volcanic ash soils in the Southern Highlands of Papua New Guinea / από Floyd, C. N.

Θέματα: “…Sweet potatoes Papua New Guinea Southern Highlands Province Fertilizers.…”

Cypriot women in the labour market : an exploration of myths and reality / από House, William J.

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Nutrition of fruit crops : tropical, subtropical, temperate tree and small fruits /

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Sisal production and soil fertility decline in Tanzania / από Hartemink, Alfred E.

Θέματα: “…Soil fertility Tanzania.…”

Proceedings of Fertilizer Efficiency Research and Technology Transfer Workshop for Africa South of the Sahara : Douala, Cameroon, January 21-25, 1985 /

Θέματα: “…Fertilizers Africa, Sub-Saharan Cost effectiveness.…”

Pollination of cultivated plants in the tropics /

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Managing nitrogen economies of natural and man made forest ecosystems proceedings of a workshop organized by CSIRO Division of Land Resources Management in collaboration with the F...

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The reproduction revolution new ways of making babies από Singer, Peter

Θέματα: “…Fertilization in vitro, Human Moral and ethical aspects…”

Fertilizing sweet potato on mineral soils in the Highlands από Kimber, A. J.

Θέματα: “…Sweet potatoes Fertilizers and manures.…”

Cycling of mineral nutrients in agricultural ecosystems

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Soils of the CSIRO national cattle breeding station "Belmont", Rockhampton, Queensland / από Coventry, R.J

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Forest nutrition management / από Binkley, Dan

Θέματα: “…Forest soils Fertilization.…”

Soil constraints on sustainable plant production in the tropics : [proceedings...]

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Bibliography of soil fertility and plant nutrition in Papua New Guinea / από Bourke, R. Michael

Θέματα: “…Soil fertility Papua New Guinea Bibliography.…”

beginning of life, the.

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Soil nutrient bioavailability a mechanistic approach από Barber, Stanley A.

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Making babies the test tube and Christian ethics

Θέματα: “…Fertilization in vitro, Human Moral and ethical aspects…”

Foliar diagnosis, nutrition and yield stability of black pepper (Piper nigrum L.) in Sarawak / από Waard, P. W. F. de

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Diagnosis and correction of boron deficiency in citrus orchard / από Chiu, Tsai-fua

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Fertility and family planning in the Third World : a case study of Papua New Guinea / από Agyei, William K. A.

Θέματα: “…Fertility, Human Papua New Guinea. 6868…”