1 Centro Internaclonal de Agrlcultura Tropical (CIAT), Apartado 558, Pucallpa, PeruJohn Wiley & Sons, Ltd.Culture & AgricultureLoker, W.: 'Weights and measures' revisited: methodological issues in the estimation of agricultural productivity. Culture and Agriculture, No. 35,13 - 17, 1988....
21 Introduction to the measures of economic performance Activity 1 (a) It means the current account is in deficit. This suggests the balance of trade is in deficit, which means the value of exports is less than the value of imports. The balance of trade is a major...
In addition, the nonlinear trajectory of CO2 uptake from land-based CDR measures can interact with other time-varying factors, such as agricultural productivity, technological progress, and socioeconomic drivers, introducing additional complexities7,8. Recent studies have explored the biophysical and ...
One crucial challenge of agriculture is to increase productivity to feed the continuously growing population without deteriorating soil, water, and environ... AMG Mostofa,HD Karsten,TL Veith,... - 《Agricultural Systems》 被引量: 0发表: 2018年 Mechanism of Potato Continuous Cropping Obstacles and...
Analysis of the spatial pattern of prices and output in the manuscript returns of the French agricultural census of 1852 indicates that the availability of... G Grantham - 《Journal of Economic History》 被引量: 92发表: 1989年 Interactions of productivity, predation risk, and fishing effort in...
"Unless agricultural productivity can be improved significantly, rising demand for products cannot be simply curbed by administrative measures," he said, adding that insufficient investment from the government in agriculture is a key factor in rising prices. ...
3) agricultural measures 农艺措施 1. Result: All agricultural measures showed positive effect on the growth and development of seedling of P. 结果:各项农艺措施对补骨脂的壮苗均有影响。 2. The plant hedgerow and four agricultural measures were investigated for soil,water and nutrient loss via ...
BE Bravo-Ureta,L Rieger - 《American Journal of Agricultural Economics》 被引量: 447发表: 1991年 The productivity performance of Irish dairy farms 1984–2000: a multiple output distance function approach This study measures productivity growth on Irish dairy farms over the period 1984-2000. A tot...
Investment in soil conservation measures is also found to significantly increase agricultural productivity.doi:10.13140/2.1.4505.9842Kousar, RakhshandaAbdulai, AwuduAgricultural Economics SocietyRakhshanda K. and Awudu A. (2014). Impact of non-farm work and land tenancy contracts on soil conservation...
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