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(续第1期)1.野外调查坚持资料收集整理与野外定点采样调查相结合,典型农户调查与随机抽样调查相结合,通过广泛深入的野外调查和取样地块农户调查,掌握耕地立地条件、土壤理化性状与施肥管理水平。2.采样测试平均每6.7公顷～13公顷耕地采集1
(Continuation of Issue 1) 1. Field Survey Adhere to the combination of data collection and field sampling and field survey, a typical household survey and random sample survey combined with extensive field investigation and sampling plots of farmers survey to grasp the conditions of cultivated land site, Soil physical and chemical properties and fertilization management level. 2. Sampling Test An average of 6.7 hectares ~ 13 hectares of cultivated land acquisition 1