検索結果 - "Fertilizer."

Selection for response to low and high levels of chicken manure by winged bean (Psophocarpus tetragonolobus (L.)DC.) / 著者: Thiagalingam, K.

主題: “…Winged beans Fertilizers.…”

Role of fertilizer pricing policies and subsidies in agricultural development / 著者: Couston, J. W.

主題: “…Fertilizers Prices.…”

Soil and fertilizer phosphorus in crop nutrition /

主題: “…Phosphatic fertilizers.…”

Soil and fertilizer nitrogen : review study with particular reference to plant nutrition and environmental protection / 著者: Winteringham, F. P. W.

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The fertility of paddy soils in Taiwan / 著者: Lin, Char-fen

主題: “…Soil fertility…”

Plant Nutrition 1982: proceedings of the 9th International Plant Nutrition Colloquium, Warwick University, England, August 22-27, 1982 /

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Fertility in Sub-Saharan Africa : analysis and explanation / 著者: Cochrane, Susan Hill, 1943-

主題: “…Fertility, Human Africa, Sub-Saharan.…”

Fertilizer strategies /

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Agroforestry for soil conservation / 著者: Young, Anthony

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Potential hazards when using organic materials as fertilizers for crop production / 著者: Jacobs, Lee W.

主題: “…Corn Organic fertilizers.…”

The use of organic matter in crop production / 著者: Hsieh, S. C.

主題: “…Organic fertilizers.…”

Diagnostic criteria for plants and soils /

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Phosphate and potash fertilisation of sweet potato on volcanic ash soils in the Southern Highlands of Papua New Guinea / 著者: Floyd, C.N

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Trace elements in agriculture 著者: Sauchelli, Vincent, 1892-

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Potential for utilising organic residues as fertilisers and soil conditioners in Fiji /

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The waste of nations the economic utilization of human waste in agriculture 著者: Fahm, Lattee A.

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Infant and child mortality as a determinant of fertility the policy implications 著者: Cochrane, Susan Hill, 1943-

主題: “…Fertility, Human…”

Population and family planning in Bangladesh a survey of the research 著者: Alauddin, Mohammad

主題: “…Fertility, Human Bangladesh…”

Fertilisers and soils in New Zealand farming 著者: During, C. (Cornelius), 1916-

主題: “…Fertilizers New Zealand…”

Life from the soil 著者: White, Harold Fletcher

主題: “…Soil fertility…”