1988
DOI: 10.1016/0167-8809(88)90118-1
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Efficient utilization of energy with an improved farming system for selected semi-arid tropics

Abstract: Efficient utilization of energy with an improved farming system for selected semi-arid tropics. Agric. Ecosystems Environ., 24: 381-394. The International Crops Research Institute for the Semi-Arid Tropics (ICRISAT), India, has developed an improved technology for the management of Vertisols. The results of testing of this technology in farmers' fields in India have shown that substantially higher yields can be achieved by an efficient application of available energy resources along with other high-value input… Show more

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Cited by 7 publications
(4 citation statements)
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“…Application of fertilizers N and P: Vertisols are universally low in N (Katyal et al, 1987;Probert et al, 1987;Ahmad, 1989;FAO, 2002) and variable in P (Ahmad, 1989;Guo et al, 2000;Singh et al, 2003). Thus, significant responses to fertilizer N have been observed in many crops grown in Vertisols in India and Ethiopia including maize, wheat, cotton, sorghum, pigeon peas, soybeans and beans (Badanur and Deshpande, 1987;Burford, 1987;Katyal et al, 1987;Bansal et al, 1988;Erkossa et al, 2000;Tarekegne et al, 2000;Patil et al, 2001;Nalatwadmath et al, 2003). In Kenya, application of fertilizer N significantly increased crop yields of both rain-fed and irrigated crops (Njihia, 1984;KARI-FURP, 1994;Kondo et al, 2001).…”
Section: (B) Soil Fertility Managementmentioning
confidence: 94%
“…Application of fertilizers N and P: Vertisols are universally low in N (Katyal et al, 1987;Probert et al, 1987;Ahmad, 1989;FAO, 2002) and variable in P (Ahmad, 1989;Guo et al, 2000;Singh et al, 2003). Thus, significant responses to fertilizer N have been observed in many crops grown in Vertisols in India and Ethiopia including maize, wheat, cotton, sorghum, pigeon peas, soybeans and beans (Badanur and Deshpande, 1987;Burford, 1987;Katyal et al, 1987;Bansal et al, 1988;Erkossa et al, 2000;Tarekegne et al, 2000;Patil et al, 2001;Nalatwadmath et al, 2003). In Kenya, application of fertilizer N significantly increased crop yields of both rain-fed and irrigated crops (Njihia, 1984;KARI-FURP, 1994;Kondo et al, 2001).…”
Section: (B) Soil Fertility Managementmentioning
confidence: 94%
“…Os coeficientes adotados foram (MACEDÔNIO & PICCHIONI, 1985): Equipamentos autopropulsionados, como tratores = 69,83 MJ kg -1 ; para os outros equipamentos = 57,20 MJ kg -1 . O custo energético adotado para a fabricação do pulverizador costal foi de 72 MJ kg -1 (BANSAL et al, 1988).…”
Section: Máquinas E Equipamentosunclassified
“…De acordo com GIAMPIETRO & PIMENTEL (1990), pode-se assumir que a potência de um homem adulto é de 90 W e de uma mulher, também adulta, é de 60 W. O nível de potência (expressa em Watts) per capita de trabalho humano é dada por (GIAMPIETRO & PIMENTEL, 1990) trabalhadores adultos e x f = percentual de trabalhadoras adultas. BANSAL et al (1988), trabalhando em regiões semi-áridas, consideraram para a atividade braçal de humanos valores de 0,22MJ h -1 para homens adultos e 0,18MJ h -1 para mulheres.…”
Section: Energia Consumida Pelo Trabalho Humanounclassified