The Experiments of High Yield and Good Quality in the Precision Seeding for the Winter Wheat

doi:10.3321/j.issn:1000-7091.2004.04.025

Abstract

Abstract: In order to study effects of yield and quality under conditions of precision seeding of little sowing amount for the winter wheat,the autumn-sown experiments in two years were conducted during 2001 —2003 in Beijing. DS No. 1, Linkang No. 1, Jimai No. 30, Lumai No. 21 and Jing 411 belongs to experimental varieties. Jing 411 is contrast variety. Sowing amount is 22. 5 kg /ha. The best yield of Linkang No. 1 among experimen- tal varieties comes to 6 652. 5 kg/ha during 2001 —2002. The average yield of Jing 411,Lumai No. 21,Linkang No. 1,DS No. 1 and Jimai No. 30 comes to 8 537. 6,7 403. 7,7 353. 75,6 836. 25 and 6 169. 8 kg/ha respective- ly in 2002-2003. Experimental varieties have better quality too. These varieties have a normal expressions of growth and development,stronger ability of tiller, vigorous physiological actions. The number of spike per plant among yield structure more than one of general varieties.

Key words: Winter wheat, Precision seeding of little sowing amount, Yield, Quality, Number of spike per plant

CLC Number:

S512.1

CAO Guang-cai, WU Dong-bing, YANG Wan-shen, LI Rong-qi, ZHANG Zhong-qi, ZHANG Zhi-gang. The Experiments of High Yield and Good Quality in the Precision Seeding for the Winter Wheat[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2004, 19(4): 92-95. doi: 10.3321/j.issn:1000-7091.2004.04.025.

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