Why do farmers in Ping Bian continue to plant such a tightly controlled, labor intensive crop?
为什么屏边的农民还要继续种这种控制严格、劳动密集的作物呢？
Under intensive cropping with retention of crop residue management regimes, soils can become suppressive to Rhizoctonia root rot.
保留作物残体的精耕栽培制度可使土壤变为对病害有抑制作用的抑病土。
The aim of the field experiment was to investigate to what extent such a system could prevent soil degradation resulting from very intensive crop rotations.
此次田间试验的目的，是研究这一方法能在多大程度上防止由于精细的作物轮作所产生的土壤退化。
In the early 1940s, basking in the glory of chemical-based intensive agriculture, the farmers avidly took to pesticides as a sure measure to boost crop yield.
在20世纪40年代早期，农民们沐浴在以化学品为基础的集约农业的光辉下，贪心地把杀虫剂当作增加作物产量的一种可靠方法。
Traditionally, crop nitrogen nutrition diagnosis is based on chemical analysis of plant tissues, which are labor-intensive, time-consuming and involving hazardous chemicals.
传统的作物氮素营养诊断以实验室常规分析为基础，费时、费力及需要有毒化学品。
Practising intensive farming and loosening upper soil layer could hold rainfall water and make it penetrate into soil effectively, which could improve soil quality and crop moisture condition.
精耕细作、疏松表层、保持水土、充分接纳雨水就地入渗增大土壤水库贮水，可有效地改善农田土壤和作物水分条件。
Taking planting as a main point, it studies Bao thought of intensive farming, such as multi-crop a year, soil tillage, mid-cultivation management and reasonable application of manure, etc.
再次，研究包世臣在种植业方面精耕细作的技术思想，包括多熟种植、土壤耕作、中耕管理、合理施肥技术思想等。
Taking planting as a main point, it studies Bao thought of intensive farming, such as multi-crop a year, soil tillage, mid-cultivation management and reasonable application of manure, etc.
再次，研究包世臣在种植业方面精耕细作的技术思想，包括多熟种植、土壤耕作、中耕管理、合理施肥技术思想等。
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