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REGIONAL PROJECTS 



NC-16 Mineral Deficiencies in Soils, (l) To develop and 



improve methods for estimating and evaluating nutrient 

 deficiencies in soils, and to coordinate their use 

 among the states of the region; and (2) to evaluate 

 the comparative efficiency of certain fertilizers and 

 fertilizer application practices, and to investigate 

 the causes of differences in efficiency under various 

 crop, soil, and climatic conditions of the region. 

 Cooperating stations: This section, Ind# I-B: 

 Section b: HI. I-D, Iowa I-C, and I-D, Kans. 

 I-D, Mich. I-D, Minn. I-D, Mo. I-B, Nebr. I-B, 

 I I-C, and II-C, N. Dak. I-B, Ohio I-B, and Wis. I-B. 



NC-17 Value of Organic Matter and Soil and Crop Manage- 



ment Practices in Improving Soil Structure and Produc- 

 tivity. (l) The evaluation of physical conditions of soil 

 that are favorable to the yield of crops; and (2) the 

 evaluation of the chemical composition and reactions of 

 organic matter that affect structure and productivity. 

 Cooperating stations: This section, HI. I-B 

 and Ind. II-D: Section b: Nebr. II-C, and S. Dak. 

 II-F: Section c: Iowa I-E, Kans. I-E, Mich. I-E, 

 Minn. I-E, Ohio I-E, S. Dak. I-E, and Wis. I-E. 



NC-19 Reduction of the Hazards in the Use of Pesticides . 



To isolate, define, and evaluate certain specific hazards 

 associated with the use of insecticides, fungicides, her- 

 bicides and other pesticides to the end that such hazards 

 may be minimized or eliminated. 



Cooperating stations: This section, HI. II-C, 

 Mich. II-C, Mo. II-C, Ohio II-C, and Wis. II-C. 

 See part 7, section 4, Insecticides, for Kans. project. 



NE-H Soil Structure Problems in Northeastern Agriculture. 



To (1) devise and evaluate practical means of identifying, 

 creating and maintaining desirable physical conditions for 

 crop production in Northeastern soils; and (2) to determine 

 in what ways soil structure Influences the growth and 

 nutrition of plants. 



Cooperating stations: This section, Del. II-D: 

 Section b: N.H. II-B: Section c: Conn. (State) 

 I-E, Conn. (Storrs) I-E, Conn. (State) III-B, 

 Maine I-E, Md. I-E, N.H. I-E, N.J. I-E, N.T. 

 (Cornell) I-E, Pa. I-E. R.I. I-E, and W. Va. I-E. 



