Pine nuts (also called pignoli) are the edible seeds of pines (family Pinaceae, genus Pinus). About 20 species
of pine produce seeds large enough to be worth harvesting; in other pines the
seeds are also edible, but are too small to be of notable value as human food.
Our Chinese pine nuts grow in Heilongjiang and Jilin province of China. The
mainly varieties are pure red pine nut
kernel and cedar pine nut kernel.
Pine nuts have been eaten in USA, Europe, Asia and many other countries. They
are frequently added to meat, fish, salads and vegetable dishes or baked into bread.
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Learn from duck grazing>
In the fall, ducks have fallen in the fall due to the fact that ducks have already produced eggs in spring and summer. At this time, natural feed is less than in spring, and only supplementation can increase the egg production rate. During autumn grazing, care should be taken to select shallow sites such as river ditch so that ducks can eat more feed such as fish and shrimp. After late autumn in winter, the weather becomes colder and the sunshine time becomes shorter, and the ducks lose their physique and lay eggs. At this time, feeding should be stopped and grazing should be the mainstay. When grazing, attention should be paid to: (1) Choose a site with a leeward sun, and if there is thin ice on the water, break the ice and then grazing; (2) Return the ducks to the shelter at night to avoid the cold, and put more dry litter inside the shed. In order to avoid catching cold ducks; (3) When the weather is cold, it is necessary to work hard to increase the activity of the ducks and to encourage ducks to feed.