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Agriculture these days has less to do with food and more to do with energy, Jim Cramer told viewers of his "Mad Money" TV show Friday.

As long as oil remains expensive, the agriculture complex is going to take on increasing importance as a source for alternative energy, as evidenced by the soaring demand for corn and soy as energy crops, he said.

Cramer touted agriculture as the fifth long-term bull market during the weeklong preview of his his new book,

Stay Mad for Life

. Earlier in the week, he mentioned aerospace and defense, minerals and mining, oil and infrastructure.

Market players who own these agriculture stocks know they've paid off so far, he said.

Deere

(DE) - Get Report

,

Monsanto

(MON)

and

Bunge

(BG) - Get Report

all have had significant upsides this year.

Fertilizer has been the biggest winner, and the No. 1 name in this group is

Mosaic

(MOS) - Get Report

, Cramer said.

In addition,

Agrium

(AGU)

and

Potash

(POT)

have had enormous gains, too, he continued.

"All of these gains have been driven by demand," and this is just the beginning, Cramer said. There should be years and years of upside for this industry.

But while the long-term story, he said, is "fabulous," the market should give you a better opportunity two or three weeks from now to get in. Ag is right, but maybe not at these prices, Cramer said. People should wait for a pullback before they buy these stocks.

Sticking With It

The entire year has been a battle for Cramer with

NYSE Euronext

(NYX)

, a stock he owns for his charitable trust,

Action Alerts PLUS.

This last year the stock has traded worse than any other stock he has ever seen in his 26 years of trading, Cramer said. When all other stocks went up, this one went down and the most frustrating thing about it was his thesis for owning it was entirely intact the entire time.

It wasn't going down because he was wrong about the company, he said. "It was just going down."

Now that NYX is nearly back to where it was when he recommended it at the beginning of the year, Cramer said he's sure many investors are ready to give up and sell it. However, he advised not to quit now.

"Even though you hate owning it, nothing fundamental has changed for the company underneath, it," Cramer said of NYX. Not only is the company intact, he said, but its estimates have continually increased and it keeps beating them.

It would be foolish to walk away from NYX now, especially because the fundamentals are better than they were at the beginning of the year, he said.

Taking a Pass

The

Federal Reserve

meets Tuesday, and right now Cramer said he's not sure what's going to happen. Therefore, he believes the best thing to do is to wait it out.

At times, investors must be willing to admit that they're powerless, he said, noting this is one of those times.

If the Fed cuts by a quarter, the fear of recession will still be around and that will keep stocks down, Cramer said. On the other hand, he said, if it cuts by half a point, people will be able to buy stocks in various industries like the industrial, tech and banking sectors.

Under normal circumstances, Cramer said he would recommend buying

Costco

(COST) - Get Report

and

Kroger

(KR) - Get Report

, both of which report their earnings next week.

However, sometimes being a good investor means sitting it out -- the best trade sometimes being no trade at all, he said.

The Muhlenkamp Fund

Cramer said he devotes some space in his new book to mutual funds people should invest in if they don't have time to own stocks.

When a person invests in a mutual fund, it's essentially an investment in the fund's money manager, the person who will make the money. One mutual fund Cramer said he likes is

Muhlenkamp

(MUHLX) - Get Report

.

He welcomed the fund's lead manager Ron Muhlenkamp to the show and asked him to discuss his investment philosophy.

Muhlenkamp said he looks for "good companies and, when prices get cheap, to buy them." The only way people can do this, he continued, is to find good companies others don't like, he noted.

One of the stocks his fund owns is

Altria

(MO) - Get Report

, an Action Alerts PLUS name, Muhlenkamp said.

The money manger said he also believes

Devon Energy

(DVN) - Get Report

and

Cemex

(CX) - Get Report

are both stocks that have more room for upside.

Image placeholder title

Lightning Round

Cramer was bullish on

Under Armour

(UA) - Get Report

,

VF Corp

(VFC) - Get Report

,

Apple

(AAPL) - Get Report

,

Masimo

(MASI) - Get Report

,

Stryker

(SYK) - Get Report

,

Genentech

(SYMBOL)

,

CVS Caremark

(CVS) - Get Report

,

Rite Aid

(RAD) - Get Report

,

Citigroup

(C) - Get Report

,

AK Steel

(AKS) - Get Report

,

Reliance Steel

(RS) - Get Report

,

Research In Motion

( RIMM),

ConocoPhillips

(COP) - Get Report

and

Exxon Mobil

(XOM) - Get Report

.

Cramer was bearish on

Walgreen

(WAG)

,

China Precision Steel

(CPSL)

,

E Trade

(ETFC) - Get Report

and

DivX

( DIVX).

Want more Cramer? Check out Jim's rules and commandments for investing by

clicking here

.

For more of Cramer's insights during the Lightning Round, click here

.

At the time of publication, Cramer was long NYSE Euronext, CVS Caremark, Citigroup, ConocoPhillips and Altria.

Jim Cramer, host of the CNBC television program "Mad Money," is a Markets Commentator for TheStreet.com, Inc., and CNBC, and a director and co-founder of TheStreet.com. All opinions expressed by Mr. Cramer on "Mad Money" are his own and do not reflect the opinions of TheStreet.com or its affiliates, or CNBC, NBC UNIVERSAL or their parent company or affiliates. Mr. Cramer's opinions are based upon information he considers to be reliable, but neither TheStreet.com, nor CNBC, nor either of their affiliates and/or subsidiaries warrant its completeness or accuracy, and it should not be relied upon as such. Mr. Cramer's statements are based on his opinions at the time statements are made, and are subject to change without notice. No part of Mr. Cramer's compensation from CNBC or TheStreet.com is related to the specific opinions expressed by him on "Mad Money."

None of the information contained in "Mad Money" constitutes a recommendation by Mr. Cramer, TheStreet.com or CNBC that any particular security, portfolio of securities, transaction, or investment strategy is suitable for any specific person. You must make your own independent decisions regarding any security, portfolio of securities, transaction, or investment strategy mentioned on the program. Mr. Cramer's past results are not necessarily indicative of future performance. Neither Mr. Cramer, nor TheStreet.com, nor CNBC guarantees any specific outcome or profit, and you should be aware of the real risk of loss in following any strategy or investments discussed on the program. The strategy or investments discussed may fluctuate in price or value and you may get back less than you invested. Before acting on any information contained in the program, you should consider whether it is suitable for your particular circumstances and strongly consider seeking advice from your own financial or investment adviser.

Some of the stocks mentioned by Mr. Cramer on "Mad Money" are held in Mr. Cramer's Action Alerts PLUS Portfolio. When that is the case, appropriate disclosure is made on the program and in the "Mad Money" recap available on TheStreet.com. The Action Alerts PLUS Portfolio contains all of Mr. Cramer's personal investments in publicly-traded equity securities only, and does not include any mutual fund holdings or other institutionally managed assets, private equity investments, or his holdings in TheStreet.com, Inc. Since March 2005, the Action Alerts PLUS Portfolio has been held by a Trust, the realized profits from which have been pledged to charity. Mr. Cramer retains full investment discretion with respect to all securities contained in the Trust. Mr. Cramer is subject to certain trading restrictions, and must hold all securities in the Action Alerts PLUS Portfolio for at least one month, and is not permitted to buy or sell any security he has spoken about on television or on his radio program for five days following the broadcast.