Different types of fertilization formula affecting vegetative growth and leaf nutrient content of Ziziphus jujuba Mill. cv. Lingwu Changzao

doi:10.14088/j.cnki.issn0439-8114.2019.18.008

Abstract

Abstract: The effects of formula fertilization of N, P and K on the vegetative growth and leaf nutrient content of Ziziphus jujuba Mill. cv. Lingwu Changzao were researched. The application amount of N, P and K fertilizer was controlled under field conditions, and the complete implementation scheme of “3414” was adopted from May to September. The shoots length, shoots diameter, single leaf area area and leaf water content and total nitrogen, total phosphorus and total potassium in leaves of Ziziphus jujuba Mill. cv. Lingwu Changzao were measured every 30 days. The results showed that the appropriate application of N, P and K fertilizers could significantly increase the shoots length, shoots diameter, leaf chlorophyll content and leaf water content of Ziziphus jujuba Mill. cv. Lingwu Changzao, and the treatment N₂P₁K₂（N 292.50 kg/hm²,P₂O₅ 86.33 kg/hm²,K₂O 115.65 kg/hm²） was the largest in shoots length and shoots diameter. The rational application of N, P and K in the sprout leaves period to the fruiting stage can increase the total N, total P and total K content in the leaves of Ziziphus jujuba Mill. cv. Lingwu Changzao. Among them, the total N content and total P content of the leaves were the highest under treatment N₂P₂K₁（N 292.50 kg/hm²,P₂O₅ 172.65 kg/hm²,K₂O 57.83 kg/hm²）.

Key words: Ziziphus jujuba Mill. cv. Lingwu Changzao, formula fertilization, leaf nutrients, the "3414" fertilizer test

CLC Number:

S665.1
S158

ZHANG Hao, SUN Ya-ping, LI Zhan-wen, WAN Zhong-wu, TANG Wen-lin, SONG Li-hua. Different types of fertilization formula affecting vegetative growth and leaf nutrient content of Ziziphus jujuba Mill. cv. Lingwu Changzao[J]. HUBEI AGRICULTURAL SCIENCES, 2019, 58(18): 33-38.

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