A study on the fertilizer requirement of cabbage, cv. September, was conducted with 3 levels each of N (0, 50 and 100 kg/ha). P (0. 25 and 50 kg/ha) and K (0, 50 and 100 ka/ha). The polar diameter, equatorial diameter and weight of head showed linear response to the increasing levels of N and P. while response to K was only moderate. Among the first order interactions, the interaction effects of N and P were more pronounced than the effects of N and K and P and K interactions. The shape of head was not altered due to app lication of varying levels of N. P and K. Application of N at 100 kg. Pat 50 kg and K at 50 kg per hectare was found to be optimum, recording the highest weight of 2.280 kg per head with an estimated vield of 67.66 tonnes per hectare.
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Madras Agricultural Journal (MAJ)
Madras Agricultural Students Union
Tamil Nadu Agricultural University
Coimbatore - 641
003
Tamil Nadu, India.
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