G. Byju, C.S. Ravindran, R.R. Nair, V. Ravi, Tillage and planting methods on soil properties, yield, root rot and nutrient uptake in a continuously grown cassava field in a semi arid Vertisol of India ...

P. D. Fitzgerald, THE ESTIMATION OF SOIL MOISTURE DEFICITS BY PENMAN'S AND THORNTHWAITE'S METHOD IN MID CANTERBURY, Journal of Hydrology (New Zealand), Vol. 13, No. 1 (1974), pp. 32-40 ...