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	1.		Agricultural ecology in subtropical regions : Prepared for presen tation at the Symposium for Agriculture, with the participation of the Food and Agriculture Organization of the United Nations, Rehovot, Israe l, April 13-15, 1959 / Michael Y. Nuttonson. by Nuttonson, Michael Y, 1904- Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington : American Institute of Crop Ecology, 1959 Availability: Items available for loan: Main Library - Africana (1)Call number: P 630.913 N 88. Place hold Save to lists Add to cart (remove)
	2.		Agricultural ecology in subtropical regions : Prepared for presen tation at the Symposium for Agriculture, with the participation of the Food and Agriculture Organization of the United Nations, Rehovot, Israe l, April 13-15, 1959 / Michael Y. Nuttonson. by Nuttonson, Michael Y, 1904- Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington : American Institute of Crop Ecology, 1959 Availability: No items available. Save to lists Add to cart (remove)
	3.		A comparative study of lower and upper limits of temperature in meas uring the variability of day-degree summations of wheat, barely, and ry e. by Nuttonson, Michael Y, 1904- Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington : American Institute of Crop Ecology, 1956 Availability: Items available for loan: Main Library - Africana (1)Call number: PF 633.1 N88. Place hold Save to lists Add to cart (remove)
	4.		A comparative study of lower and upper limits of temperature in meas uring the variability of day-degree summations of wheat, barely, and ry e. by Nuttonson, Michael Y, 1904- Material type: Text; Format: print ; Literary form: Not fiction Publication details: Washington : American Institute of Crop Ecology, 1956 Availability: No items available. Save to lists Add to cart (remove)