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Soil compaction is an often-overlooked factor that can significantly impact root development in plants, leading to reduced forage growth on the surface. This physical phenomenon occurs when soil particles are pressed together, reducing pore space and hindering the movement of air, water, and nutrients through the soil. As Dr Gordon Rajendram, a renowned soil scientist, explains, “Compacted soil creates a hostile environment for roots, limiting their growth and ultimately affecting plant health and productivity.” Consequently, compacted soil presents a challenging environment for root growth, which in turn affects the overall health and productivity of forage crops. Agraforum New Zealand delves into the impact of soil compaction on plant roots and surface forage growth.

The root system of a plant is essential for its ability to access water and nutrients, anchor itself in the soil, and interact with beneficial soil organisms. In compacted soils, the restricted pore space limits root penetration, often causing roots to grow horizontally rather than vertically. This shallow root system reduces the plant’s ability to access deeper soil layers where moisture and nutrients are often more plentiful, particularly during dry periods. Consequently, plants growing in compacted soils are more susceptible to drought stress and nutrient deficiencies.

Moreover, the restricted root growth in compacted soils affects the plant’s ability to establish a robust and extensive root system. This limitation can lead to reduced plant vigour and lower biomass production. For forage crops, this translates to less available forage for livestock, which can have significant economic implications for farmers. Compacted soil not only limits root depth and growth but also affects the soil’s ability to support healthy microbial activity, further reducing the soil’s fertility and the quality of the forage produced.

Soil testing is crucial for identifying compaction issues and determining the appropriate corrective measures. Products such as Envirocal and ComCat are beneficial in mitigating soil compaction. Envirocal, a calcium-based soil conditioner, helps to improve soil structure, while ComCat, a biostimulant, enhances root growth and overall plant health. These products, when used in conjunction with good soil management practices, can significantly reduce the impact of soil compaction.

In conclusion, soil compaction poses a serious threat to root development and forage growth. By understanding the implications of compacted soils and adopting appropriate management practices, farmers can improve root health, enhance forage production, and ensure the sustainability of their farming systems. As highlighted by Agraforum New Zealand, addressing soil compaction is crucial for maintaining productive and sustainable agricultural practices.

Contact Agraforum New Zealand

Mobile: 0274 485 159
Email: allan@agraforum.co.nz

www.agraforum.co.nz

Contact Phillip Quay
phillip@mediapa.co.nz
P: 0274 587 724
www.mediapa.co.nz

As winter approaches, farmers and lifestyle block owners should turn their attention to soil preparation. The health of your soil during the colder months is crucial for a thriving crop or pasture come spring. By taking a few essential steps now, you can ensure your soil remains fertile and ready for the growing season. Profile Fertilisers offers a range of products that can help maintain and enhance soil health throughout winter.

Firstly, it’s important to clean up your fields and paddocks. Remove any dead plants, weeds, and debris that can harbour pests and diseases over winter. Once your land is clear, consider adding a layer of organic matter, such as compost or well-rotted manure. This not only improves soil structure but also provides essential nutrients that will slowly release over winter.

Winter is also an excellent time to test your soil. Knowing its pH and nutrient levels allows you to make informed decisions about fertilisation. Dr Gordon Rajendram, a renowned soil scientist, emphasises, “Regular soil testing is essential for understanding your soil’s unique needs. It allows you to apply the right nutrients in the right amounts, ensuring optimal soil health and crop productivity.”

One key aspect of winter soil preparation is protecting the soil from erosion and nutrient loss. Cover crops, such as clover or rye, can be sown in late autumn. These crops help prevent soil erosion, suppress weeds, and, when turned into the soil in spring, add valuable organic matter. Profile Fertilisers’ range of soil conditioners can also be beneficial, improving soil texture and moisture retention.

Additionally, applying a slow-release fertiliser in late autumn can provide a steady supply of nutrients throughout winter. Profile Fertilisers’ products are designed to work with the natural processes of the soil, ensuring that nutrients are available when plants need them most.

By taking these steps, you can ensure your soil remains healthy and productive throughout winter. With the help of Profile Fertilisers, you can look forward to a bountiful and vibrant crop or pasture come spring. Preparing your soil now sets the stage for a successful and prosperous growing season ahead.

Contact Profile Fertilisers

Don Henderson: 021 643 698

Factory: 027 222 7698
donh@profilefert.co.nz

www.profilefert.co.nz

Contact Phillip Quay

phillip@mediapa.co.nz

027 458 7724

www.mediapa.co.nz

The rich tapestry of New Zealand’s soil types offers a unique canvas for various farming styles and types of produce, each adapted to the specific characteristics of local soils. From the volcanic terrains of the North Island to the sedimentary expanses of the South, Dr Gordon Rajendram understands that leveraging these soil properties is key to optimising agricultural productivity and sustainability.

In the North Island, the volcanic soils, particularly those in Waikato and Taranaki, are highly prized for their fertility. These soils are rich in allophane, a mineral that enhances nutrient and water retention, making them ideal for dairy farming. Dr Gordon Rajendram, states, “The exceptional structure of volcanic soils supports robust root systems, which is crucial for pasture-based dairy farming—a predominant agricultural activity in these regions.”

Sedimentary soils, which are widespread in the Canterbury plains of the South Island, present different challenges and opportunities. These soils, with typically lower organic matter, are more prone to nutrient depletion and require careful management to support intensive farming practices. “In Canterbury, the sedimentary soils are primarily utilised for dairy farming as well, but the approach here focuses heavily on soil conservation techniques to prevent erosion and maintain soil health,” explains Dr Rajendram.

Additionally, New Zealand’s varied climate and soil types allow for diverse horticultural pursuits. Peaty soils in wetter areas, like parts of Waikato, are especially suited for cultivating specialty crops such as berries and market vegetables, which thrive in the moisture-retentive, nutrient-rich conditions. In contrast, the drier regions, with their clay-rich soils, are excellent for vineyards and orchards, where controlled water retention is beneficial.

Understanding these soil-specific requirements has led to tailored farming practices across New Zealand. From rotational grazing that minimizes soil compaction in dairy regions to precision agriculture techniques that enhance crop yields in horticultural areas, farmers are adapting their methods to ensure that they are working in harmony with their environment. “By matching farming practices with soil types, New Zealand’s farmers can maximise both yield and sustainability, securing the agricultural industry’s future and preserving the natural health of our landscapes,” concludes Dr Rajendram.

Dr Rajendram feels that this focused approach to agriculture ensures that New Zealand not only maintains its reputation for high-quality produce but also protects its natural resources for future generations.

 Contact Dr Gordon Rajendram

021 466077

rajendram@xtra.co.nz

www.gordonrajendramsoilscientist.co.nz

Contact Phillip Quay

phillip@mediapa.co.nz

027 458 7724

www.mediapa.co.nz

In modern agriculture, sustainable practices are crucial for maintaining soil health and ensuring long-term productivity. Profile Fertilisers offers an innovative approach to achieving this balance through the use of slow-release fertilisers. These fertilisers, designed to provide a steady supply of essential nutrients over an extended period, offer significant benefits for both the environment and agricultural efficiency.

Slow-release fertilisers help maintain consistent nutrient levels in the soil, which is vital for optimal plant growth. Traditional fertilisers can release nutrients rapidly, leading to an initial surge in availability followed by a sharp decline. This fluctuation can cause nutrient leaching, where essential elements seep away from the soil into waterways, leading to pollution and wasted resources. In contrast, slow-release fertilisers minimise this risk by gradually dispensing nutrients, ensuring plants receive a steady supply throughout their growth cycle.

The environmental advantages of slow-release fertilisers are substantial. By reducing nutrient leaching, these fertilisers help preserve water quality in nearby rivers, lakes, and groundwater. This is particularly important in regions where agricultural runoff has historically contributed to water pollution and ecosystem degradation. Additionally, the consistent nutrient supply reduces the need for frequent fertiliser applications, cutting down on fuel consumption and greenhouse gas emissions associated with transportation and application processes. This reduction in carbon footprint aligns with global efforts to combat climate change and promotes more sustainable farming practices.

Moreover, the economic benefits for farmers are significant. With slow-release fertilisers, the frequency of applications is reduced, which translates into lower labour and resource costs. Farmers can achieve the same or better crop yields with fewer inputs, enhancing the overall efficiency of their operations. This approach not only saves money but also ensures that farming practices are more sustainable and environmentally friendly.

Profile Fertilisers’ commitment to sustainable agriculture is exemplified by their product Enforcer, a slow-release, environmentally friendly fertiliser. Enforcer’s balanced formulation and reduced application frequency make it an excellent choice for farmers looking to optimise plant nutrition while contributing to a healthier environment. By adopting slow-release fertilisers, farmers can achieve better crop outcomes and promote a sustainable future for agriculture.

Contact Profile Fertilisers

Don Henderson: 021 643 698

Factory: 027 222 7698
donh@profilefert.co.nz

www.profilefert.co.nz

Contact Phillip Quay

phillip@mediapa.co.nz

027 458 7724

www.mediapa.co.nz

Dr. Gordon Rajendram, a renowned authority in soil science and agricultural sustainability, sheds light on the invaluable benefits of clover as a superior feed option for livestock. With its nutrient-rich composition and impressive protein content, clover stands out as a key ingredient in optimising animal diets for enhanced productivity.

Comparing clover to ryegrass, a common forage choice, reveals the significant nutritional advantage that clover offers. While ryegrass typically contains around 3.0% nitrogen, resulting in approximately 19% protein content, clover boasts a nitrogen content of approximately 5.5%, translating to an impressive 34% protein content. This stark contrast underscores the potency of clover as a high-quality protein source, capable of providing essential nutrients to support the growth and development of livestock.

“Clover stands as nature’s gift to livestock farming, offering a nutritional powerhouse that elevates milk and meat production to new heights. As we strive for agricultural sustainability, harnessing the potential of clover as a superior feed option is not just advantageous; it’s essential for maximising productivity and ensuring the well-being of our animals.” – Dr. Gordon Rajendram

The higher protein content in clover which is 34% holds immense significance for dairy and meat producers alike. Protein plays a crucial role in animal nutrition, serving as a building block for muscle development, milk production, and overall health. By incorporating clover into the diet, farmers can ensure that their livestock receive adequate protein levels, thereby promoting optimal growth and maximising productivity.

Moreover, clover offers additional nutritional advantages beyond its protein content. Compared to ryegrass, clover exhibits higher mineral content and enhanced digestibility, further augmenting its suitability as a premium feed option. These qualities not only contribute to the overall health and well-being of livestock but also facilitate efficient nutrient absorption, leading to improved feed conversion rates and reduced wastage.

In practical terms, integrating clover into livestock diets can yield tangible benefits for farmers. Increased protein intake translates to higher milk yields in dairy cows and improved weight gain in meat-producing animals, ultimately enhancing farm profitability and sustainability. Additionally, the superior nutritional profile of clover can reduce the reliance on supplemental feed additives, thereby lowering production costs and minimising environmental impact.

As farmers strive to optimise their operations and meet the growing demand for high-quality dairy and meat products, the role of feed quality cannot be overstated. Dr. Gordon Rajendram’s insights underscore the pivotal role that clover plays as a superior feed option, offering a potent combination of protein, minerals, and digestibility. By harnessing the power of clover, farmers can unlock the full potential of their livestock, paving the way for a more prosperous and sustainable agricultural future.

Contact Dr. Gordon Rajendram

Soil Scientist

Soil Fertility, Agronomy & Farm Environmental Consultant

Address: 9 Kakanui Avenue, Hillcrest, Hamilton 3216

Phone: 021 466 077

E-mail: rajendram@xtra.co.nz

Web site:  https://gordonrajendramsoilscientist.co.nz/

‘Bringing science to the farm ‘

Contact Phillip Quay

Phone: 0274 587 724

Email: phillip@mediapa.co.nz

Website: https://mediapa.co.nz/

Facebook: facebook.com/mediapa