1. Do not use a large amount of undeveloped cake fertilizer in the greenhouse, because cake fertilizer has a small carbon to nitrogen ratio and decomposes quickly.

2. Do not use ammonium sulphate in the greenhouse in winter, as this will cau.......

In the cultivation of peppers in the solar greenhouse, the most troublesome problem is that the peppers are not planted after the planting, the dead trees or the plants are wilting. What are the reasons for these, and how to prevent it?

First, the field symptoms

Aft.......

The function of the stone washing machine is complete, reliable and can reach the factory level. Specific problems and potential problems must be registered. Diagnostic operation Diagnostic operation is mainly to diagnose the key.......

In winter and spring, vegetable snow damage is very common. In the event of heavy snowfall and continuous snowfall for many days, snow disasters will occur. The open vegetables will be buried or the shed will collapse, resulting in a major reductio.......

Autumn is a key period for the management of cherry saplings. To this end, Cai Yuliang, a professor at the College of Horticulture of Northwest A&F University, suggested that the farmers should manage the cherry garden as follows:

Fert.......