Dr Heinisch Agro Solutions India says its AgroCuprum, a nano copper fertilizer developed with German nanotechnology, has received state-wise registration in Himachal Pradesh, Haryana, Karnataka and Rajasthan, AgroSpectrum reports. The registration follows Gazette Order S.O. 1781(E) of 22 April 2024, which makes it, the report says, one of the first fertilizers to comply with India's rule specifically for nano fertilizers.
India is one of the first countries to bring nano fertilizers under the Fertiliser Control Order with defined specifications. With "nano" appearing on more product labels, registration gives farmers and dealers a simple way to tell a registered product from one that only uses the word.
Copper is a micronutrient that crops need in small amounts but that supports photosynthesis, lignin synthesis, enzyme activity, and pollen and seed production. When it falls short, young leaves may yellow or wilt, leaves may grow narrow or twisted, shoot tips may dry out, and flowering and fruit set can suffer.
Indian farmers have usually applied copper oxychloride, copper hydroxide or copper sulphate at 1 to 10 grams of product per litre of spray solution. AgroCuprum is a liquid used at about 100 mL per acre per application, under 0.4 mL per litre of water. The company puts the difference at about 1 gram of copper per hectare against about 1 kilogram of conventional product.
That would mean far less product to carry and mix and far less copper on the land, provided the recommended dose delivers the required performance. The figures are the company's own, and the report does not cite independent field results.
Source: AgroSpectrum
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