1. Site preparation: One plow and one plow for rehabilitated land, two plows and two plows for wasteland (birth place), and pounding the pounds of earth to meet the requirements for planting corn. Paddy fields or plots with excessive moisture should not be planted. 2, Shizujifei: In the entire.......

Tests over the years have shown that the harvest period of the summer plant loofah coincides with the autumnal season of vegetables, the price of fresh melons is stable, and the economic benefits are good. Therefore, the vegetable farmers should arrange the sowing period rationally, strengthen.......

(1) Use high protein content varieties. Use high protein soybean varieties with protein content above 45%. Currently, Heilongjiang 16, Heidou 21, Yudou 22, and Xudou 9 have been promoted to meet the quality requirements for high-protein soybeans. Zhongdou 26 meets the quality requirements for .......

Although the nutritional value of corn, barley, sorghum, beans, potato, wheat bran, and cakes is relatively high, the seed coat, glume, starch structure of common factors, and some concentrates contain The special substances (such as tannins, etc.), inhibition of nutritional factors (such as a.......

Penaeus vannamei has the characteristics of thin shell, fresh meat, large individual, high yield, and short growth cycle. It does not affect the first half of the spring shrimp culture in the first half of the year. It can be raised in greenhouses for a period of time to raise stocking specifi.......