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The report contains suggestions for a greater effort to be made in the understanding of the problems of agricultural development from the point of view, of the small, farmers and for a consequent reorientation of actions so that the relevant institutions would be able to serve the interests of the small farmers and the nation at large.
It will be recalled that, at its 5th meeting held at Rabat, the ECA Conference of ministers decided to include studies and related activities concerning the establishment of agricultural commodity exchange for Eastern and Southern African States in the work programme of the Lusaka MULPOC for 1980-1981. Thereafter, the Lusaka MULPOC Council of Ministers, at its 3rd meeting held at Gaborone, Botswana, formally incorporated that project in its work programme for 1980.
Le déficit alimentaire croissant et la lourde charge des importations nécessaires pour le combler sont pour les pays africains une source de graves préoccupations. Or le sol de ces pays est très fertile et le climat très favorable. Il est donc possible de réduire le déficit alimentaire. Voir de le transformer en un excédent à condition d’adopter des pratiques agricoles scientifiques.
Chemical analysis and missing element trials with Sorghum vulgare L. showed that three Panamanian soils, representative of three great soil groups, were deficient in both nitrogen (N) and phosphorus (P). When a greenhouse trial was undertaken to test the response of Cajanus cajan to rhizobial inoculation, N and P fertilization in these soils, no response was obtained in either the Río Hato or Los Santos soils. There was a definite response to P and a slight response to inoculation in the Pacora soil, which had the poorest fertility level. N applications depressed nodulation.
This paper reviews the experimental basis for the lectin-recognition hypothesis and considers ways in which the host/Rhizobium interaction might be manipulated to enhance the benefits of symbiotic nitrogen fixation in the tropics.
Biological nitrogen (N2) fixation in both free-living and symbiotic organisms is an energy-requiring process dependent upon a supply of carbon and energy. In this paper the energy costs for N2 fixation and nodule respiration in symbiotic systems are compared with those of free-living N2-fixing systems, with the theoretical energy requierement for N2 fixation, and with the cost of utilization of combined N.
Se describen los resultados obtenidos durante 1981 por la seccion de Microbiologia del Suelo del Programa de Pastos Tropicales del CIAT, cuyos objetivos especificos son: 1) seleccionar leguminosas forrajeras promisorias que no requieren inoculacion; 2) seleccionar cepas de Rhizobium para leguminosas que si necesitan inoculacion; y 3) evaluar el efecto de las tecnicas de inoculacion y practicas de manejo de pastos en la nodulacion y fijacion de N en el campo. Se presentan los resultados de 1) expt.
This Decree declares that the right to undertake a real property intervention (encroachment) as foreseen in section 2 of the Act relative to the expropriation of real property may be assigned to anybody.
Implements: Act No. 3 of 1959 relative to the expropriation of real property. (2011-03-03)
The present Regulations are made under the Surface Rights Acquisition and Compensation Act. In particular, section 3 establishes that “mineral” includes potash according to clause 2(e) of the afore-mentioned Act establishing that “mineral” means petroleum and natural gas, or either of them, and any other substance that the Lieutenant Governor in Council may by Regulation establish. The text consists of 4 sections.
Implements: Surface Rights Acquisition and Compensation Act (R.S.S. 1978, c. S-65). (2016)
