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2010•Guizhou nongye kexueRequires access

Effect of density and fertilizing amount on yield of Qiandan 21, a hybrid maize variety.

Xiang Gao, Tao TingYing, Deng PeiYan, Lu HaiHe, Lan ChunTing, Mao ChunXia, Jing Wang

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Abstract

The quaternary quadric rotational combination design was used to study the effect of density and fertilizing amount of N,P and K on Qiandan 21.The results showed that the factors affecting maize yield was densityK2ONP2O5,and the main agronomic measures for yield more than 700 kg/667m2 include 3 414~3 573 plants/667m2,21.97～27.81 kg/667m2 pure N,5.89~16.56 kg/667m2 P2O5 and 8.19~10.11 kg/667m2 K2O.

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What this paper is about

The quaternary quadric rotational combination design was used to study the effect of density and fertilizing amount of N,P and K on Qiandan 21.The results showed that the factors affecting maize yield was densityK2ONP2O5,and the main agronomic measures for yield more than 700 kg/667m2 include 3 414~3 573 plants/667m2,21.97～27.81 kg/667m2 pure N,5.89~16.56 kg/667m2 P2O5 and 8.19~10.11 kg/667m2 K2O.

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Available abstract

The quaternary quadric rotational combination design was used to study the effect of density and fertilizing amount of N,P and K on Qiandan 21.The results showed that the factors affecting maize yield was densityK2ONP2O5,and the main agronomic measures for yield more than 700 kg/667m2 include 3 414~3 573 plants/667m2,21.97～27.81 kg/667m2 pure N,5.89~16.56 kg/667m2 P2O5 and 8.19~10.11 kg/667m2 K2O.

Key concepts: Yield (engineering), Agronomy, Mathematics, Quadric, Plant density, Biology, Sowing, Physics

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Effect of density and fertilizing amount on yield of Qiandan 21, a hybrid maize variety. — Research Paper | ScholarLens