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Book 1991

Autor: Couper, D.C.

In agriculture, surveying is required to prepare topographical maps that indicate variations in the level of the land's surface. Topographical maps are necessary as a base for the preparation of research station maps which include layout of field, buildings, roads, and soil conservation measures.

Enlace original: https://cgspace.cgiar.org/handle/10568/98714

Investigación en Agricultura
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Couper, D.C. ,  [Land survey for research stations: IITA research guide, No. 1] ,  Land survey for research stations: IITA research guide, No. 1
Book 1995

Autor: Couper, D.C.

Research scientists must have access to field records to ensure that their experimental treatments are neither masked nor affected by previous land usage. Research fields must be identified on the ground and accurate records kept of all operations and treatments carried out. Several procedures ha...

Enlace original: https://cgspace.cgiar.org/handle/10568/97248

Investigación en Agricultura
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Couper, D.C. ,  [Farm records and work planning on agricultural research farms] ,  Farm records and work planning on agricultural research farms
Book 1979

Autor: Hancock, JK Hill, RW Hargreaves, GH
Enlace original: https://cgspace.cgiar.org/handle/10568/54208

Investigación en Agricultura
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Hancock, JK ,  Hill, RW ,  Hargreaves, GH ,  [Potential evapotranspiration and precipitation deficits for Tropical America] ,  Potential evapotranspiration and precipitation deficits for Tropical America
Book 2000

Autor: Nweke, F. Lutete, D. Dixon, A. Ugwu, B. Ajobo, O. Kalombo, N. Bukaka, B.

The importance of cassava relative to other crops in the cropping system was almost total; cassava was present in 70% of arable fields; maize and beans or peas were each present in 13% of arable fields and all other crops were present in 4%. Cassava was produced mostly for sale, yet it was not as...

Enlace original: https://cgspace.cgiar.org/handle/10568/92682

Investigación en Agricultura
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Nweke, F. ,  Lutete, D. ,  Dixon, A. ,  Ugwu, B. ,  Ajobo, O. ,  Kalombo, N. ,  Bukaka, B. ,  [Cassava production and processing in the Democratic Republic of Congo: COSCA working paper, No 22] ,  Cassava production and processing in the Democratic Republic of Congo: COSCA working paper, No 22
Book 1991

Autor: Frison, Emile A. Ikin, R.
Enlace original: https://cgspace.cgiar.org/handle/10568/104671

Investigación en Agricultura
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Frison, Emile A. ,  Ikin, R. ,  [FAO/IBPGR technical guidelines for the safe movement of grapevine germplasm] ,  FAO/IBPGR technical guidelines for the safe movement of grapevine germplasm

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