00772nam a2200193Ia 4500 CTU_21818 210402s9999 xx 000 0 und d 631.4 H651 Hillel, Daniel Optimizing the soil physical environment toward greater crop yields Daniel Hillel New York Academic Press 1972 This book presents papers that were given at a special invitational panel on the topic " Optimizing the soil physical environment toward greater crop yields", convened as part of the international symposium on soilwater physics and technology. Soil physics,Soil science Minh Trung tâm Học liệu Trường Đại học Cần Thơ