المؤلفون: Howeler, R. H.

المساهمون: Lutaladio, NeBambi., Thomas, Graeme., Food and Agriculture Organization of the United Nations.

مصطلحات موضوعية: Cassava., Agricultural systems., Sustainable agriculture.

المؤلفون: Howeler, R. H.^Aff2

المساهمون: Wright, R. J., editor^Aff1, Baligar, V. C., editor^Aff1, Murrmann, R. P., editor^Aff1

المصدر: Plant-Soil Interactions at Low pH : Proceedings of the Second International Symposium on Plant-Soil Interactions at Low pH, 24–29 June 1990, Beckley West Virginia, USA. 45:885-904

المؤلفون: Schenck, N. C., Spain, Joyce L., Sieverding, E., Howeler, R. H.

المصدر: Mycologia, 1984 Jul 01. 76(4), 685-699.

URL الوصول: https://www.jstor.org/stable/3793226

المؤلفون: Howeler, R. H., Asher, C. J., Edwards, D. G.

المصدر: The New Phytologist, 1982 Feb 01. 90(2), 229-238.

URL الوصول: https://www.jstor.org/stable/2433996

المؤلفون: Howeler, R. H., Cadavid, L. F.

المصدر: Fertilizer research. December 1990 26(1-3):61-80

المؤلفون: HOWELER, R. H., SIEVERDING, E.

المصدر: Plant and Soil, 1983 Jan 01. 75(2), 245-261.

URL الوصول: https://www.jstor.org/stable/42934460

المؤلفون: HOWELER, R. H., CADAVID, L. F., BURCKHARDT, E.

المصدر: Plant and Soil, 1982 Jan 01. 69(3), 327-339.

URL الوصول: https://www.jstor.org/stable/42934141

المؤلفون: SIEVERDING, E., HOWELER, R. H.

المصدر: Plant and Soil, 1985 Jan 01. 88(2), 213-221.

URL الوصول: https://www.jstor.org/stable/42935038

المؤلفون: Howeler, R. H.^{Aff2, Aff3}, Sieverding, E.^Aff2, Saif, S.^Aff2

المساهمون: Van Diest, A., editor^Aff1

المصدر: Plant and Soil Interfaces and Interactions : Proceedings of the International Symposium: Plant and Soil: Interfaces and Interactions. Wageningen, The Netherlands August 6–8, 1986. 28:249-283

المؤلفون: Howeler, R. H.

المصدر: International Water Management Institute, Conference Papers.

الإتاحة: https://ideas.repec.org/p/iwt/conppr/h036287.html