Crop and water productivity and profitability of broccoli (Brassica oleracea L. var. italica) under gravity drip irrigation with mulching condition in a humid sub-tropical climate.

The predicted regression equations are given below: (8) Y = − 0.0019 I 2 + 0.4073 I − 3.2607 ( R 2 = 0.9968 ) (9) Y = − 0.0019 E T a 2 + 0.7031 E T a − 45.471 ( R 2 = 0.9987 ) The coefficient of determination (R 2 ) was found to be 0.99768 for Eq 7 and 0.9987 for Eq 8 which were statistically highly significant.

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