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引言农田温度高低,是影响棉株生育进程、产量高低及纤维品质优劣的主要因素之一。棉花生产中往往采取大小行(又称宽窄行)种植方式,以期改善包括温度在内的农田小气候条件,达到促进生育、改善品质的目的。高产棉区湖北省天门县曾认为三组六行(大行距3.6尺,小行距0.4尺)种植方式是增产的重要措施之一。
Introduction The temperature of farmland is one of the main factors affecting cotton plant growth process, yield and fiber quality. In the cotton production, large and small lines (also known as narrow and narrow lines) are often used to improve the microclimate conditions of the farmland, including temperature, so as to promote fertility and improve quality. Tianmen County, Hubei Province, a high-yielding cotton area, considered that planting in three groups of six rows (with a large row spacing of 3.6 feet and a small row spacing of 0.4 feet) is one of the important measures to increase production.