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Risultati 260-280 di 2524

Planning and organization of fertilizer use development in Africa

papers presented at the FAO/DANIDA Regional Seminar on Planning and Organization of Fertilizer Use Development in Africa, Nairobi, Kenya, 1-16 December 1972

  • FAO. Soil Resources, Development and Conservation Service

Plant growth regulators

agricultural uses

  • Nickell, Louis G.

Plant production and management under drought conditions

papers presented at the symposium, 4-6 October 1982, held at Tulsa, OK, U.S.A.

  • Stone, John F.

Plant propagation

principles and practices

  • Hartmann, Hudson T.

The politics of precaution

genetically modified crops in developing countries

  • Paarlberg, Robert L.

Prevention of post-harvest food losses

fruits, vegetables and root crops : a training manual

  • Food and Agriculture Organization of the United Nations

Principles and practice of soil science

the soil as a natural resource

  • White, R. E.