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Cassava is drought-tolerant and grows reasonably well in relatively infertile soils where other crops would fail. However, production could be further increased if important soil-related constraints are addressed. In order to supply cassava plants with the nutrients required for optimal productio...


Howeler, Reinhardt H.[Addressing nutritional disorders in cassava cultivation]Addressing nutritional disorders in cassava cultivation

Suyamto, H.Howeler, Reinhardt H.[Cultural practices for soil erosion control in cassava-based cropping systems in Indonesia]Cultural practices for soil erosion control in cassava-based cropping systems in Indonesia

Cassava is becoming an ever more important crop, and over the past 20–30 years its planted area has increased faster than that of any other food crop. However, yields are still low due to the fact that the crop is usually grown on infertile soils and without adequate soil and crop management. Thi...


Howeler, Reinhardt H.[Cassava cultivation and soil productivity]Cassava cultivation and soil productivity

The demand for cassava in Asia is expected to grow in the years to come, largely because of an increasing demand for animal feed, biofuels and multiple uses of starch. Increasing the quantity and quality of cassava products in response to growing demand requires careful and sustainable increases ...


Maung Aye, TinHoweler, Reinhardt H.[Integrated crop management for cassava cultivation in Asia]Integrated crop management for cassava cultivation in Asia

Different nutritional deficiencies or toxicities may limit bean development and yield. N and P deficiencies are the most frequent, although deficiency of minor elements and Al/Mn toxicity can reduce yields considerably. Nutritional problems are usually diagnosed by soil and plant tissue analyses ...

Diversas deficiencias o toxicidades nutricionales pueden limitar el desarrollo del frijol y su rendimiento. Las deficiencias de N y P son las mas frecuentes, aunque las de elementos menores y la toxicidad de Al y Mn pueden reducir considerablemente los rendimientos. Los problemas nutricionales se...


Howeler, Reinhardt H.[Nutritional disorders]Nutritional disorders

Although cassava grows relatively well in unfertile acid soils where many crops do not prosper, it also responds to fcrtilization and, in fact, has a fairly high P requirement. In general P is the most limiting element for yields in 3 classes of tropical soil; in the Llanos Orientales of Colombia...

Aunque la yuca se desarrolla relativamente bien en suelos infertiles acidos donde muchos cultivos no prosperan, tambien responde a la fertilizacion y, de hecho tiene un requerimiento de P sumamente alto. El P es generalmente el elemento mas limitante del rendimiento en 3 clases de suelos tropical...


Howeler, Reinhardt H.[Nutricion mineral y fertilizacion de la yuca]Nutricion mineral y fertilizacion de la yuca

In May 1980 the soil section of CIAT's cassava program established a fertilization trial with 3 cassava var. [Barranquena (regional), M Col 113, and CMC 921 to measure its effect on yield and establish optimum levels from an economical point of view. The trial took place in Mondomito and Agua Bla...

En mayo de 1980 en la seccion de suelos del programa de yuca del CIAT se establecio un ensayo de fertilizacion con 3 var. de yuca (Barranquena (regional), M Col 113 y CMC 92) para medir su efecto en el rendimiento y establecer los niveles optimos desde el punto de vista economico. El ensayo se lo...


Díaz, R.O.Howeler, Reinhardt H.Cadavid, L.F.[Anilisis economico de un ensayo de fertilizacion en yuca]Anilisis economico de un ensayo de fertilizacion en yuca

Different nutritional deficiencies or toxicities may limit bean development and yield. N and P deficiencies are the most frequent, although deficiency of minor elements and Al/Mn toxicity can reduce yields considerably. Nutritional problems are usually diagnosed by soil and plant tissue analyses ...

Diversas deficiencias o toxicidades nutricionales pueden limitar el desarrollo del frijol y su rendimiento. Las deficiencias de N y P son las mas frecuentes, aunque las de elementos menores y la toxicidad de Al y Mn pueden reducir considerablemente los rendimientos. Los problemas nutricionales se...


Howeler, Reinhardt H.[Desordenes nutricionales]Desordenes nutricionales
Amede, TilahunAmézquita Collazos, EdgarAshby, J.A.Ayarza, Miguel AngelBarrios, EdmundoBationo, B. AndréBeebe, Stephen E.Bellotti, Anthony C.Blair, Matthew W.Delve, Robert J.Fujisaka, SamHoweler, Reinhardt H.Johnson, Nancy L.Kaaria, Susan K.Kelemu, SegenetKerridge, Peter C.Kirkby, Roger A.Lascano, Carlos E.Lefroy, R.D.B.Mahuku, George S.Murwira, Herbert K.Oberthür, ThomasPachico, Douglas H.Peters, MichaelRamisch, Joshua J.Rao, Idupulapati M.Rondón, Marco AntonioSanginga, Pascal C.Swift, M.Vanlauwe, Bernard[Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics]Biological nitrogen fixation: A key input to integrated soil fertility management in the tropics

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