The answer is `only two` because statements 2 and 3 are not entirely correct. Let`s analyse each option:

Statement 1: It is true that India has more arable land than China. Arable land refers to land under temporary crops, temporary meadows for mowing or for pasture, land under market or kitchen gardens, and land temporarily fallow.

Statement 2: China`s higher irrigation coverage versus India is primarily due to its extensive water management infrastructure, consisting of dams, canals, and irrigation systems. As per the available data, the percentage of irrigated agricultural land area in China is higher than in India.

Statement 3: The average productivity per hectare in Indian agriculture is lower than that in China. This is due to a variety of factors, including lower level of mechanization, smaller farm sizes, poorer quality of seeds, inadequate access to credit and many more.

So, only the first statement is correct. The second and third statements are incorrect.