The main reasons for the low yield of rapeseed

1. Several reasons for the low yield of rape: 1. Non-standard management Because of the existence of market factors, including a lack of knowledge about the production of camellia, and insufficient capital investment, eventually came a long-term lack of

Tomato leaf mold how to prevent

Tomato leaf mold is the main disease that damages tomato leaves. After the leaves were damaged, small yellowish spots appeared on the front of the leaves and the edges were not obvious. The backs of the leaves showed irregular or ellipsoidal yellowish or light green chlorotic spots, and the primary