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(一)发展棉花生产的主要措施多数产棉国将主要依靠提高单产来增产棉花。棉花生产发展较快国家的主要增产措施有以下几点:1.选用优良品种,加强种子管理.对棉花新品种的要求,除了丰产性机械化作业外,特别注意纤维品质的改进和抗病力的提高。国外种子管理有比较严密的制度:单产高的植棉国均实行严格的品种区划,一个地区种植一定的品种,一个轧花厂只许加工一个品种;品种必
(A) of the main measures for the development of cotton production Most cotton producing countries will rely mainly on raising yields to increase cotton production. The main measures for increasing production of cotton in the country are as follows: 1. Selection of fine varieties and strengthening of seed management The requirements for new varieties of cotton, in addition to high-yielding mechanized operations, pay special attention to the improvement of fiber quality and disease resistance improve. Foreign seed management has a more stringent system: high yielding cotton-planting countries are strict species division, planting a certain species in a region, a ginning plant only processing a variety; varieties will be