Rapeseed "flower but not real", why?

Reasons why rape cannot be realized: Brassica napus, often hybrid oilseeds such as oyster sauce

The boron deficiency of No.9 and Qinyou No.2 was heavier than that of conventional Brassica napus. Different field differences

It is relatively large and there are many reasons.

Lily planting density and depth

The planting density and depth of Daejeon should refer to the variety, use, soil quality, fertility and so on. In practice, you can refer to the following principles or ideas. Small bulbs should be dense and shallow, and should be used for viewing

Double-season rice mechanization technology

With the development of social economy and the transfer of rural labor, the traditional production methods based on manual planting operations restrict the development of double-season rice production. In the southern rice region, especially the s