共 8 条
- [1] PERFORMANCE OF SOIL MOISTURE ESTIMATES AS COMPARED WITH DIRECT USE OF CLIMATOLOGICAL DATA FOR ESTIMATING CROP YIELDS [J]. AGRICULTURAL METEOROLOGY, 1968, 5 (01): : 17 - +
- [2] BAUER A., 1965, AGRON J, V57, P354
- [3] HAMM JW, 1970, ADV AUTOMATED ANALYS, V2
- [5] Mitchell J., 1944, 12 U SASK SOIL SURV
- [6] OLSEN SR, 1954, 939 USDA CIRC
- [7] WARDER F. G., 1963, CANADIAN JOUR SOIL SCI, V43, P107