Special fertilizer for bananas in tropical areas

A special fertilizer and banana technology, which is applied in the field of agricultural chemistry, can solve the problems of obvious aftereffect and low utilization rate in the current season, and achieve the effects of improving yield and quality, saving labor costs and reducing costs

Inactive Publication Date: 2013-10-23
SHIKEFENG CHEM IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There are a lot of iron and aluminum oxides and hydrates in the soil in hot areas, which are easy to ...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0010] Banana special fertilizer suitable for tropical areas, its N:P2O5:K2O=16:3:21. It is composed of urea, calcium magnesium phosphate fertilizer, potassium sulfate unit fertilizer and phosphate rock powder seasoning. The consumption of each unit fertilizer of urea, calcium magnesium phosphate fertilizer and potassium sulfate in described per ton of special fertilizer, urea (N in 46%) 348kg, calcium magnesium phosphate (P O in 20%) 160kg, potassium sulfate (K in 51% Total) 420kg, phosphate rock powder filler 72kg.

[0011] Application method: The test site is located in the teaching base of Danzhou Campus of Hainan University in Hainan Province. Flat. The soil is brick red soil developed on the parent material of granite, the texture is sandy loam, and the soil layer is thick. Apply 1461kg of urea, 630kg of calcium magnesium phosphate fertilizer and 1729kg of potassium sulfate per hectare. Press N: P2O5: K2O=16:3:21 the ratio of the special fertilizer that is made is 551...

Embodiment 2

[0014] Special fertilizer for bananas suitable for tropical areas, its N:P2O5:K2O=14:4:23. It is composed of urea, calcium magnesium phosphate fertilizer and potassium sulfate unit fertilizer and filler phosphate rock powder. The consumption of each unit fertilizer of urea, calcium magnesium phosphate fertilizer and potassium sulfate in the described per ton of special fertilizer, urea (N in 46%) 304kg, calcium magnesium phosphate fertilizer (P 2 o 5 Based on 20%) 200kg, potassium sulfate (K 2 O (51%) 450kg, phosphate rock powder filler 46kg.

[0015] Application method: The test site is located in Xinying Farm, Danzhou City, Hainan Province. It is a basalt platform terrain with a heavy clay texture and a deep soil layer. Apply 1602kg of urea, 1056kg of calcium magnesium phosphate fertilizer and 2373kg of potassium sulfate per hectare. The amount of special fertilizer converted into by the above formula is 5270kg / ha. Apply 10% when soil preparation before planting. One m...

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PUM

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Abstract

The invention relates to agricultural chemistry and particularly discloses a special fertilizer for bananas in tropical areas. The fertilizer takes urea, calcium magnesium phosphate and potassium sulphate single fertilizer as the main components and takes ground phosphate rock as filler. The fertilizer elements and the type of the fertilizer are matched with the soil property in tropical areas. Soil acidity slows the nitration process of NH4<+> caused by urea hydrolysis and speeds up the release of phosphorus in the calcium magnesium phosphate. The calcium magnesium phosphate can neutralize H+ released in NH4<+> nitration and applied physiological acidic fertilizer potassium sulphate, and simultaneously calcium ion and magnesium ion in the calcium magnesium phosphate can also be released, so that the absorption demands on calcium and magnesium during the growth of bananas are satisfied.

Description

technical field [0001] The invention relates to agricultural chemistry, in particular to a special fertilizer for bananas in hot areas. Background technique [0002] The tropics are important growing areas for bananas. At present, the planting area of ​​bananas in the tropical areas of China is nearly 1.05 million mu, and its output value accounts for 51.16% of the output value of tropical fruits. The banana industry has become a pillar industry of tropical agriculture. Banana is a crop that needs a lot of fertilizer, especially K fertilizer. The growth and development period of Datian banana is divided into three stages: vegetative growth, vegetative-reproductive (breeding period), and fruit growth and development-maturation. Although there are differences in the type and quantity of nutrient requirements in each stage, K>N>P in each stage, and the ratio of nutrient requirements in each stage is roughly 1:0.2:3.5. Soil N in hot areas is seriously deficient, and P a...

Claims

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Application Information

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IPC IPC(8): C05G1/00
Inventor 孟磊何秋香
Owner SHIKEFENG CHEM IND
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