Possible Clues:

• Cultivated land
• Prepared layer of topsoil
• Slope on hard cultivated land
• Cultivation of land is hard at bottom of incline
• Agriculture's hot tip on top
• Harrowing, quixotic charge Henry makes
• Get the ground till it's at an angle to start with
• Inclined to start to get the soil like that
• Lean horse and sow here
• Cultivated land until Thursday, only partly