bourgeois
发表于 2025-3-28 18:10:28
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过去分词
发表于 2025-3-28 19:00:12
Are There Productivity Gains from Insecticide Applications in Rice Production?,d economists and they have shown that Asian farmers’ insecticide use has poor or no productivity gains. Farm surveys of more than 5,000 households in the Mekong, Vietnam, and paired farmer experiments showed that farm yields were not correlated with the number of insecticide sprays used in most case
图表证明
发表于 2025-3-29 02:35:36
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冒烟
发表于 2025-3-29 05:46:54
Future Planthopper Management: Increasing the Resilience of Rice Systems, dynamic interaction between features of the natural system and decisions made in the human use system. A model of the resilience of the rice planthopper system is used to provide a conceptual framework to explore this complex relationship, involving features at different scales, including the crop,
先锋派
发表于 2025-3-29 07:38:42
ent.Describes new thinking and approaches towards the develo.The book discusses planthopper pests of rice. These insects are one of the most destructive pests, threatening food security around the world. The historical development of the rice planthopper problem shows that they are secondary pests a
Psa617
发表于 2025-3-29 14:56:37
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CLOT
发表于 2025-3-29 17:21:23
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Perineum
发表于 2025-3-29 21:09:49
Emotional Labour and the New Workplace,mployment in the US and half of that performed by women could be classified as such. It can be safely argued that emotional labour has increased in significance since the early 1980s given the contraction of manufacturing, the expansion of the service sector and increased female participation in the labour force of western societies.
AMOR
发表于 2025-3-30 02:49:57
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