从“奇迹”水稻到技术杂交:我的SRI之旅

R. ,
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摘要

本文是根据作者在尼泊尔和国外不同农业生态和社会经济背景下与SRI思想和方法合作的经验编写的。我发现稻农使用不同的田间管理策略将SRI纳入他们的耕作系统。一些农民采用了培训期间介绍的所有SRI做法,即幼苗、单苗、更宽的间距、干湿交替灌溉、机械除草和使用堆肥。然而,大多数人修改了他们的方法,以适合他们的农业情况。在灌溉可靠、排水设施较好的地区,农民使用较年轻的秧苗。采用机械除草对提高产量非常有效;然而,它的有效性和生产力在各地并不相同。同样,许多农民也没有听从建议使用堆肥(单独使用或与肥料一起使用)。有趣的是,生产能力差的农民使用的肥料比所需的多。相比之下,参加了SRI培训的农民减少了肥料的使用。简而言之,SRI方法的引入影响了传统的水稻种植系统,但不是以一种统一的方式。经过多年的经验,大多数农民调整了这些做法,以适应他们的个人农业情况。大多数改变水稻种植系统的农民既没有遵循SRI,也没有遵循传统做法,而是采用了多种方法的混合方法,他们开发了一种在尼泊尔更可行、更高产的混合系统。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
From ‘Miracle’ Rice Plants to Technology Hybridization: My SRI Journey
This paper is prepared based on the author’s experiences in working with SRI ideas and methods in diverse agroecological and socioeconomic contexts in Nepal and abroad. I have found that rice farmers used diverse field management strategies to incorporate SRI into their farming systems. Some farmers used all of the SRI practices introduced during their training, i.e., young seedlings, single seedlings, wider spacing, alternate wetting and drying irrigation, mechanical weeding, and the use of compost. However, the majority modified their methods to be appropriate for their farming situation. Farmers used younger seedlings in areas where irrigation was reliable and drainage facility was better. The use of mechanical weeding was very effective for higher yield; however, its effectiveness and productivity were not the same everywhere. Similarly, many farmers did not follow the advice to use compost (alone, or with fertilizer). It was interesting to note that the poorly-producing farmers were using more fertilizer than required. By contrast, the farmers who attended the SRI training have reduced their fertilizer use. In short, the introduction of SRI methods influenced the traditional rice farming system, but not in a uniform way. After years of experience, the majority of farmers adjusted these practices to fit their personal farming situation. Most farmers who changed their rice farming system were following neither SRI nor traditional practice, but rather a hybrid of methods, and they developed a hybrid system that is more feasible and productive in Nepal.
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