Given below are two statements Statement (I): Greenhouse... | Agrigyan

• Methodological Steps in Crop Simulation Modeling:
• The standard sequential workflow in mechanistic crop growth modeling (e.g., DSSAT, APSIM, WOFOST) comprises:

• Define system and its boundaries: Establish soil-plant-atmosphere continuum boundaries, spatial scale, and management targets.
• Define key variables in the system: Identify driving variables (weather), state variables (biomass, leaf area, soil water), and rate variables (photosynthesis, transpiration).
• Quantification of relationships: Formulate mathematical equations and algorithms governing physiological and hydrologic processes.
• Calibration and validation: Parameterize model coefficients against field data (calibration) and independently verify accuracy across varied environments (validation).
  • Conclusion: (C), (A), (D), (B) (Option 4).

• Greenhouse Siting, Orientation, and Ventilation Principles:
• Single-span orientation: Freestanding greenhouses oriented East-West capture maximum winter solar radiation at middle and higher latitudes. (Correct)
• Multi-span gutter orientation: Oriented North-South so that gutter shadows sweep across crop beds continuously during the day rather than casting permanent shadows on specific crop rows. (Correct)
• Natural ridge ventilation: Ridge ventilators must open on the leeward side (away from incoming wind) to prevent rain penetration and use the Bernoulli negative pressure suction to evacuate hot air smoothly. (Correct)
• (D) Wind alignment: Freestanding greenhouses are oriented based on sunlight capture rather than keeping the long axis strictly parallel to wind. (Incorrect)
• Conclusion: (A), (B) and (C) only (Option 2).

Correct option: (2) (A), (B) and (C) only,

Matching the items of List I with List II for Hydraulics of open channel flow:

The correct combination is Option 2: (A) - (IV), (B) - (1), (C) - (IN, (D) - (HN).

Correct option: (2) (A) - (IV), (B) - (1), (C) - (IN, (D) - (HN)