Geography · Agricultural Geography of Bihar

Consider the following statements regarding the relationship between Bihar's land utilization, cropping intensity, and its geographical characteristics: I. The cultivation of multiple crops per year in Bihar is facilitated by the highly fertile alluvial soil of the Ganga plains and the availability of irrigation. II. The practice of multiple cropping on the same land results in a Gross Cropped Area of approximately 7.329 million hectares, underlining the state's high cropping intensity. III. The state's high agricultural dependence is demonstrated by its Net Sown Area, which indicates that over half of the land is actively cultivated. IV. The intensive agricultural utilization of the fertile plains is accompanied by a high fallow land trend, indicating efforts to rest the soil and limit productivity. Which of the statements given above are correct?