How to use boron fertilizer in rapeseed field

The lack of boron in rapeseed fields is more serious, which often causes flowers to be unrealized, which seriously affects the yield of rapeseed. The reason is that if the soil boron supply capacity is insufficient or the variety is sensitive to boron fertilizer, improper application of arid climate and boron fertilizer can also lead to boron deficiency in rapeseed. .

Boron fertilizer generally has two methods: base application and foliar application:

1. Ke Shi: The main supply of borax and ten element boron fertilizer in Ningbo Agricultural Market is the main method of applying borax. Generally, borax is used. The dosage is 0.5-1.0 kg per mu, which can be mixed with fine mud. Or fertilizer in the ditch or acupoint application.

2, foliar spray: generally in the rapeseed seedling stage, moss stage or early flowering stage spray concentration of 0.1-0.2% borax solution or ten element boron fertilizer, generally applied 1-2 times to prevent rapeseed unreal occur.

Base fertilizer and foliar fertilization can be combined and applied. The specific times and dosages should be flexibly controlled according to the degree of boron deficiency. When applying base fertilizer, care should be taken not to allow direct contact between borax and seed or rape roots, and to control concentration during foliar application. Soluble enough to avoid damage.


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