共 50 条
- [44] Optimization of nitrogen fertilizer application to irrigated rice APPLICATIONS OF SYSTEMS APPROACHES AT THE FIELD LEVEL: PROCEEDINGS OF THE SECOND INTERNATIONAL SYMPOSIUM ON SYSTEMS APPROACHES FOR AGRICULTURAL DEVELOPMENT, VOL 2, 1997, 6 : 259 - 270
- [45] Effect of urea, blue green algae and Azolla on nitrogen fixation and chlorophyll accumulation in soil under rice Biology and Fertility of Soils, 2004, 40 : 67 - 72
- [47] The role of Azolla cover in improving the nitrogen use efficiency of lowland rice Plant and Soil, 2004, 263 : 311 - 321
- [49] Effect of straw returning and nitrogen fertilizer regulation on nitrogen and rice yield in albic soil with different fertilities Nongye Gongcheng Xuebao/Transactions of the Chinese Society of Agricultural Engineering, 2019, 35 (14): : 105 - 111
- [50] EFFECT OF AZOLLA APPLICATION AND PLANT SPACING ON RICE YIELD JOURNAL OF AGRONOMY AND CROP SCIENCE-ZEITSCHRIFT FUR ACKER UND PFLANZENBAU, 1988, 160 (04): : 266 - 270