PENG Si-shan. Experiment of “3414” fertilizer efficiency of sweet potato[J]. Fujian Agricultural Science and Technology, 2016, 47(2): 12-14. DOI: 10.13651/j.cnki.fjnykj.2016.02.005
    Citation: PENG Si-shan. Experiment of “3414” fertilizer efficiency of sweet potato[J]. Fujian Agricultural Science and Technology, 2016, 47(2): 12-14. DOI: 10.13651/j.cnki.fjnykj.2016.02.005
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    Experiment of “3414” fertilizer efficiency of sweet potato

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    • A fertilizer efficiency test was carried out in sweet potato field by using "3414" experimental design. The results showed that the maximum yield of sweet potato was 1690.6 (25 359 kg/hm2) when applying dosages of N, P2O5 and K2O were 12.2 kg/667 m2 (183 kg/hm2), 3.4 kg/667 m2(51 kg/hm2) and 16.6 kg/667 m2(249 kg/hm2) respectively, and the best economic benefit was 1688.85 RMByuan/667 m2 (25 332.75 RMByuan/667 m2) when applying dosages of N, P2O5 and K2O were 11.9 kg/667 m2(178.5 kg/hm2), 3.4 kg/667 m2(51 kg/hm2) and 16.0 kg/667 m2(240 kg/hm2) respectively.
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