Kelly Robertson

Sufficient Level of Available Nutrients (SLAN) versus Build Maintain Fertility Programs

It can be argued that SLAN and Build/Maintain can be similar in some ways, both making an application of fertilizer to keep soil test levels where they are and feed the crop to be grown. However, SLAN is geared more towards achieving a fertility level where maximum yield can be obtained in that year where Build/Maintain is trying to keep the soil test levels from dropping.

By |March 16, 2023|

What is Cation Exchange Capacity (CEC)?

Using CEC to make fertility management decisions is a philosophy. There are many different philosophies that incorporate CEC into their recommendations. Many of these philosophies have some good science in them, some just enough to make them seem legit and some could be dangerous.

By |January 3, 2023|

Controlling Volunteer Wheat

Volunteer wheat is probably the number one potential weed problem in double-crop soybeans. Most often in double-crop soybeans herbicides are needed to control existing [...]

By |September 29, 2017|
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