A vegetable farmer in Maoming City, Guangdong province, planted 6 acres of green vegetables. After the vegetables sprouted, she split the seedlings twice. In the seedling stage, she uses less water and no fertilizer to control the water and control the fertilizer, so that the roots of the vegetable ---MORE---
Symptoms damage wheat, barley, oats, rye and other 27 genera and 34 species of plants. Damaged wheat seedlings were dwarf yellow, and the roots were short bifurcated. The later roots were parasitized as neoplasia and exposed white to dark brown granular cysts. This was the main feature of the dise ---MORE---
Peanuts are hi calcium crops. Calcium mainly accumulates in the vegetative organs, with 3.4% to 3.8% in leaves, 1.6% to 1.8% in stems, 0.25% to 0.54% in pods, and 0.1% to 0.2% in seeds. Although there are few calcium in reproductive organs, calcium plays a very important role in the development of ---MORE---
Nitrogen is the nutrient most absorbed by peanuts. Seed nitrogen content of 4% to 5%, leaf nitrogen content of seedlings reached 4% to 5%, then gradually decreased until the end of fertility is still more than 2%; stem nitrogen content from seedlings by 3% to 4% drop To mature period of 1% to 1.5% ---MORE---
Nitrogen is the nutrient most absorbed by peanuts. Seed nitrogen content of 4% to 5%, leaf nitrogen content of seedlings reached 4% to 5%, then gradually decreased until the end of fertility is still more than 2%; stem nitrogen content from seedlings by 3% to 4% drop To mature period of 1% to 1.5% ---MORE---
China's liquor industry has a long history and abundant production, while its industrial waste - distiller's grains, distillers grains cultivate Coprinus comatus, bioconversion rate of more than 100%. First, the election, that is, bacterial selection. High-quality strains are the precondi ---MORE---
Improper use of chlorinated fertilizers can cause “chlorinating†phenomena such as seed burning and injury, and scientific application of such fertilizers should be “three cautionsâ€. To prevent chlorine ions from accumulating chlorinated fertilizers in the soil, it is appr ---MORE---