Prizes for Essays and Reports. 
IV. DEEPENING THE STAPLE SOIL. 
Twenty Sovereigns will be given for the best Essay on the 
different mechanical modes of Deepening the Staple soil, in 
order to give it the full benefit of atmospheric influence. 
1. Deep-ploughing, comparative effect of, at springtime and autumn. 
2. Subsoiling, especially upon lauds recently drained. 
3. Trench-ploughing ; forking, digging, &c. 
4. Is pulverization sufficient without inversion of the soil ? 
V. ATMOSPHERIC ACTION ON NEWLY-DEEPENED SOIL. 
Forty Sovereigns will be given for the best Essay on the 
Chemical Results superinduced in Newly-deepened Soil by 
Atmospheric Action. 
1. Effect of frost and alternations of temperature. 
2. Of rain, and of its passage through newly-exposed virgin soil. 
3. Results produced by exposure to light. 
4. Comparative absorptive f)Ower of old and newly-raised soils. 
5. Changes in the oxides of iron, &c. 
VI. FARM-ROADS. 
Ten Sovereigns will be given for the best Essay on the Con- 
struction and Maintenance of Farm-roads, with special re- 
ference to clay lands. 
VII. ROOTS or THE WHEAT-PLANT. 
Twenty Sovereigns will be given for the best Essay on the 
Roots of the Wheat-plant, describing their growth and 
development. 
1. Characteristics of roots of Autumn and Spring sown wheats. 
2. Acclimatization. 
3. Development, to what extent afifected by top dressings at various 
periods of growth. 
4. Lifting action of frost, commonly called " throwing out." 
