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我场从1974年开始提纯复壮生产岱字15号棉花原种,至今已有十年了,为国家提供了近40万斤优良原种,促进了棉花生产的发展。为了充分证明原种的增产效果,三年来,我们用本场生产的原种及其后代与不同地区的大田一般用种作了比较试验,并在不同地区进行了原种示范,其结果大不一样。 (一)三年来的比较试验证明,原种增产显著
My field since the purification and rejuvenation began in 1974 Dai Dai No. 15 cotton seed, has been for 10 years, providing the country with nearly 40 million jins of fine species, and promote the development of cotton production. In order to fully prove the yield increasing effect of the original species, in the past three years, we compared the original species and their offspring produced in this field with the common species in the field in different regions and carried out demonstration of the original species in different regions. same. (A) The comparative experiments over the past three years show that the original seed production has been significantly increased