Effects of different levels of active humic acid slow-release fertilizer on peanut yield and fertilizer utilization

doi:10.14088/j.cnki.issn0439-8114.2022.24.014

Abstract

Abstract: In order to understand the effects of activated humic acid slow-release fertilizer on peanut growth, yield and fertilizer utilization, the comparative experiment of field plots in Huanggang Academy of Agricultural Sciences base was carried out. The results showed that the accumulation of total nitrogen and total phosphorus in peanut plants, fruit shells and seed kernels could be increased by both active humic acid slow-release fertilizer and common compound fertilizer. The accumulation of total nitrogen, total phosphorus and total potassium in peanut shells was the lowest. Compared with common compound fertilizer, the agricultural utilization rate of active humic acid slow-release fertilizer was higher, the length of the side branch could be shortened, and peanut growth was more robust. The yield increase was more significant by increasing the number of fruit and full fruit per plant, and the weight of 100 fruit and 100 kernels. The economic benefit of active humic acid slow-release fertilizer was higher than that of common compound fertilizer.With the 525 kg/hm² fertilizer application rate, peanut economic benefit increased the most, reaching 2 656.79 yuan per hectare. The fertilizer contribution rate was 21.92%, and the agricultural utilization rate was 1.61 kg/kg.

Key words: peanut, active humic acid slow-release fertilizer, economic benefits

CLC Number:

S565

WU Peng, LI Ning, ZHENG Wu-yong, QIN Lu. Effects of different levels of active humic acid slow-release fertilizer on peanut yield and fertilizer utilization[J]. HUBEI AGRICULTURAL SCIENCES, 2022, 61(24): 60-63.

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