Germination and hydroponic experiments are performed on rice seeds growing in soils treated with Cd stress, with rice … rice seeds. The results have shown that: (1) Cd stress reduces the thousand grain weight of rice seeds, and higher Cd … content means lower thousand grain weight; (2) The germination vigor and germination percentage of rice seeds under Cd stress …

By the field experiment, we research the rice nutrient use efficiency. And the results show that the formulated …; soil nitrogen level and application rate of nitrogen are the key factors affecting the rice yield. …

Planting density is of great significance in adjusting the population structure of rice, increasing yield and reducing … the cost. And suitable planting density can not only bring the yield potential of rice population into full play, obtain … the maximum grain yield per unit area, but save labor, protect the environment and improve rice quality. This article …

rice. The results show that the farmland area in the highly suitable areas accounts for 10.2% of the total farmland area … 8.22% of the total farmland area. There is significant positive correlation between the actual yield of rice surveyed … and suitability index obtained through evaluation (R2=0.1964, 319 samples); the actual yield of rice in the highly …

Features of farmers' professional cooperatives in China are introduced. The establishment of these organizations is …