2005•Hubei nongye kexueRequires access

Effects of P and K Fertilizers on fresh fruit yield and quality of waxy corn

Shihong Liu, Wu ShengLi, Dai Bao-wei

Abstract

Zea mays Xishanuo was used with the density of 65 000 plants·ha-1 and the amount of N fertilizer 450 kg·ha-1 to the effects of different P fertilizer and K fertilizer on yield and quality.The result showed that suitable P(P2O5),K(K2O)fertilizer amount of application and matching were 120 kg·ha-1 P fertilizer(P2O5) and 120 kg·ha-1 K fertilizer(K2O),120 kg·ha-1 P fertilizer(P2O5) and 360 kg·ha-1 K fertilizer(K2O),360 kg·ha-1 P fertilizer(P2O5)and 120 kg·ha-1 K fertilizer(K2O).Fresh fruit yield were 14 617.5～16 045.5 kg·ha-1,dry kernel yield up to 6 745.5～7 168.5 kg·ha-1.Amylopectin content 93%～94.4%,soluble sugar 2.19%～2.62%.

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Key concepts: Fertilizer, Yield (engineering), Agronomy, Mathematics, Sugar, Amylopectin, Chemistry, Biology