Grapes, big ginger in March

Agricultural operations in March:

Bletilla striata thrills in warm, cool and damp conditions.Fertile, loose and well drained sandy soils or humus loam are required.

1, timely removal of weeds, weeding to shallow hoe, avoid damage to the root.

2. Topdressing: bletilla striata is a plant that is fond of fertilizer, and acacia is used twice a month for 20-20-20 drip irrigation.Use it together with foliar fertilizer spray to get the best foliar fertilizer.

3, insect pests: mainly for underground pests, underground pests mainly have mole cricket (la la cricket), grubs (cockchafer) and tiger (insect).Roots can be irrigated with 90% trichlorfon 800-1000 times solution or 50% phoxim 1000 times solution.

4. The main diseases are tuber rot and root rot.Can make a cream evil mildew spirit, multi-fungus spirit with use.For brown spot and leaf spot grey mildew, 50% isocourea or 20% pyrimethylamine spray can be used once every 5-7 days for prevention.