SPECIALIZED CALCIUM FERTILIZER FOR PADDY AND PREPARATION THEREOF, AND METHOD FOR PRODUCING CALCIUM-RICH RICE

摘要

Disclosed are a specialized calcium fertilizer for a paddy and a preparation thereof, and a method for producing calcium-rich rice. The specialized calcium fertilizer for the paddy comprises the following components in parts by weight: 40-280 parts of a calcium source by the weight of the calcium, 500-1000 parts of dried fine soil, 4-40 parts of activator and 50-200 parts of biomass filler materials. The method for producing calcium-rich rice is that the special calcium fertilizer for the paddy is synchronously applied to the roots of the seedlings when transplanting the paddy. The rice cultivated by the calcium fertilizer and the method has a calcium content of up to 230 mg/kg, which is more than twice the calcium content of normal rice.