- This paper deals initially with demographic, soil and crops characteristics of Latin America in an attempt to show the basic dilemma of producing food and fiber for a fast growing population, for the local industry, and for export. - Trends in fertilizer use are discussed next, the conclusion being drawn that in order to meet the requirements of soils and crops within the region relatively higher proportions of both P and K will be needed. - Actual needs of fertilizers were estimated by using different criteria and the possibilities of meeting them through local production and imports were touched upon. - Steps designed to bridge the technological gap between use and need were outlind briefly as items of a comprehensive policy.São feitas ...
Some innovations such as genetic improvement, pest and disease control, are just some examples of te...
Ninety bean (Phaseolus vulgaris L.) cultivars were grown till maturity in full strength nutrient sol...
The trend in recent years towards other ways of living, producing and living together is recreating ...
This paper deals with the central role of fertilizers in the increase of agricultural production. Th...
L.A. is the largest producer of field beans in the world (34 percent - av. of 3.85 million t/yr from...
From the Concept of Fertility to Sustainability. Based on a reflection of the concept of soil fertil...
O autor discute problemas ligados ao uso de adubos e recomenda medidas para o aumento da produção de...
Es frecuente que Argentina sea caracterizada como “el granero del mundo” debido a las amplias superf...
Corn production in Brazil is of increasing importance and requires a balanced nutritional intake. P...
In Amazon the exploration base commercial of vegetable crops is recognition of cultivars and / or va...
The text deals with the influence of history, geography and cultural aspects on economic development...
The variability of number of pods per plant, seeds per pod, maturation period, dehiscence of pods, s...
Rice plants, IAC 25 variety, were grown in nutrient solution; samples were taken for analysis at dif...
Foi estudado o comportamento da cultura da batata-doce na Baixada Fluminense, em quatro épocas de pl...
Abstract This survey begins by pointing out the outstanding role the development of farming and catt...
Some innovations such as genetic improvement, pest and disease control, are just some examples of te...
Ninety bean (Phaseolus vulgaris L.) cultivars were grown till maturity in full strength nutrient sol...
The trend in recent years towards other ways of living, producing and living together is recreating ...
This paper deals with the central role of fertilizers in the increase of agricultural production. Th...
L.A. is the largest producer of field beans in the world (34 percent - av. of 3.85 million t/yr from...
From the Concept of Fertility to Sustainability. Based on a reflection of the concept of soil fertil...
O autor discute problemas ligados ao uso de adubos e recomenda medidas para o aumento da produção de...
Es frecuente que Argentina sea caracterizada como “el granero del mundo” debido a las amplias superf...
Corn production in Brazil is of increasing importance and requires a balanced nutritional intake. P...
In Amazon the exploration base commercial of vegetable crops is recognition of cultivars and / or va...
The text deals with the influence of history, geography and cultural aspects on economic development...
The variability of number of pods per plant, seeds per pod, maturation period, dehiscence of pods, s...
Rice plants, IAC 25 variety, were grown in nutrient solution; samples were taken for analysis at dif...
Foi estudado o comportamento da cultura da batata-doce na Baixada Fluminense, em quatro épocas de pl...
Abstract This survey begins by pointing out the outstanding role the development of farming and catt...
Some innovations such as genetic improvement, pest and disease control, are just some examples of te...
Ninety bean (Phaseolus vulgaris L.) cultivars were grown till maturity in full strength nutrient sol...
The trend in recent years towards other ways of living, producing and living together is recreating ...