TY  - JA
AU  - Alcántar,G.
AU  - Alcalde,S.
AU  - Cortés,I.
AU  - Valdés,M.
TI  - Study of the effect of different doses of nitrogen from two sources on nodulation, efficiency of N2 fixation, and yield of beans (Phaseolus vulgaris)
PY  - 1978///
KW  - Fertilizer application
KW  - Nitrogen
KW  - Nitrogen fixation
KW  - Phaseolus vulgaris
KW  - Yield increases
T2  - Basic Life Sciences
ER  -