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- W2353993497 abstract "Field experiment was conducted to study dry matter cumulative rule and nutrient absorption law on ginger by sampling in different growth,and to study optimal fertilization technology on ginger by different N and K fertilizer level.The results showed that the ginger's dry matter cumulative rule had the trend of S curve,the percentage of every stage's accumulation was emergence stage 1.28%,seedling stage 26.36%,fast-growing stage 65.19% and later growth stage 5.65%,fast-growing stage was the key period and yield-forming stage.The nutrient absorption law were that absorption amount was first for K,N was second and the least mount was for P.The absorption proportion of N,P,K in stem-leaf was 2.2∶1∶5,the proportion of N,P,K in root-stem was 2∶1∶2.Ginger must carried N 6.1 kg and P2O5 2.36 kg and K2O 9.4 kg from soil if its root-stem yield was 1 000 kg.The result of different N and K fertilizer level showed that increasing application of N and K fertilizers could raise ginger yield,but more fertilization amount also could reduce ginger yield,only suitable N and K fertilizer amount could improve yield and reduce environmental pollution,the optimal fertilizer rate was N 600～750 kg/hm2 and K2O 750 kg/hm2." @default.
- W2353993497 created "2016-06-24" @default.
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- W2353993497 date "2011-01-01" @default.
- W2353993497 modified "2023-09-25" @default.
- W2353993497 title "Study on the Nutrient Characteristics and Optimal Fertilization Technology in Ginger" @default.
- W2353993497 hasPublicationYear "2011" @default.
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