Walnut

Water

Rain is enough, even in a dry year.

Needs about 1,160 mm of water here in its growing months. Rain gives about 2,660 mm it can use in a normal year, and 2,070 mm in a dry year.

Heavy rain here can waterlog it. Grow it on raised beds or land that drains well.

Temperature

Grows best at 15–30 °C on average, and survives 7–40 °C.

Here, in its growing months (day / night):

• Jun 29 °C / 23 °C
• Jul 29 °C / 24 °C
• Aug 30 °C / 24 °C
• Sep 30 °C / 23 °C
• Oct 29 °C / 21 °C
• Nov 26 °C / 16 °C
• Dec 23 °C / 13 °C
• Jan 22 °C / 11 °C
• Feb 25 °C / 13 °C
• Mar 29 °C / 17 °C
• Apr 30 °C / 20 °C
• May 30 °C / 22 °C
• Jun 29 °C / 23 °C

It needs a cold winter to flower: a coldest month averaging 12 °C or less. Here the coldest month averages 17 °C.

Soil

Soil for Walnut: 9 out of 10 (good).

Not in the score: sulphur.

• The pH here suits it.
• Many fields here are short of zinc, which it needs a lot.
• Many fields here are short of boron, which it needs a lot.
• Most fields here are short of phosphorus.

Likes pH 5.5–6.5.

Money

Yield: about 14 quintals an acre, the typical figure across India (no figures for your state).

A new planting gives its first real harvest after about 6 years. The money here is for plants already bearing.

No mandi or support price for this crop yet.