Foliar fertilizer for preventing ananas comosus from having carpopodium cracking and fruit cracking, application of foliar fertilizer in planting of ananas comosus and foliar fertilizer spray agent

Abstract

The invention relates to a foliar fertilizer for preventing ananas comosus from having carpopodium cracking and fruit cracking, an application of the foliar fertilizer in planting of ananas comosus and a foliar fertilizer spray agent, and belongs to the technical field of fertilizers. The foliar fertilizer comprises the following nutrient elements: a potassium element, a calcium element, a magnesium element and a boron element, wherein a mass ratio of the potassium element to the calcium element to the magnesium element to the boron element is (0.85-0.95):(0.32-0.42):(0.15-0.25):(0.003-0.004).According to the foliar fertilizer for preventing the ananas comosus from having carpopodium cracking and fruit cracking, the potassium element, the calcium element, the magnesium element and the boron element have a synthetic effect, so that mechanical strength of cell walls is increased; and the foliar fertilizer is used to prepare the foliar fertilizer spray agent, the foliar fertilizer sprayagent is sprayed in the process from a slow growth period to a red appearance period of the ananas comosus, so that the carpopodium cracking rate and fruit cracking rate of the ananas comosus can be greatly reduced, especially when the foliar fertilizer spray agent is sprayed to leaves of the ananas comosus 10 days or 20 days after a flower forcing period of the ananas comosus or in the red appearance period of the ananas comosus, the carpopodium and fruit cracking rate of the ananas comosus can be controlled within 1%.

Description

technical field [0001] The invention relates to a foliar fertilizer for preventing pineapple from cracking handle and fruit, its application in pineapple planting, and a foliar fertilizer spray, belonging to the technical field of fertilizers. Background technique [0002] The total area of ​​pineapples in the world is more than 1 million hectares, mainly distributed in Asia and Africa. The planting area in Asia exceeds 400,000 hectares, and the planting area in China is about 70,000 hectares. In 2013, China's pineapple planting area ranked fourth in the world, and its output ranked eighth in the world. my country's pineapple production areas are mainly concentrated in Guangdong, Hainan, Yunnan, Guangxi, Fujian and other places, of which more than 84% of the planting area is concentrated in Guangdong and Hainan. Guangdong Province, the largest pineapple planting province, has a planting area of ​​more than 600,000 mu. Xuwen County alone has more than 300,000 mu of pineapple...

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