Abstract
A study of a suite of stcepland soils in both the Wanganui and Rangitikei districts showed that the major nutrients limit,ing the growth of clovers were phosphorus and sulphur. To remedy the phosphate deficiency, 4 cwt of superphosphate per acre was required initially and by applying this amount of superphosphate the sulphur deficiency would also be rectified. Owing to the very low sulphur retention capacities of the soils, the superphosphate should be apphed in the spring. The phosphate retegtion.values indicate that the maiatenance superphosphate dressingi are likely to be 11/z to 2 cwt per acre annually. The initial responses to lime were small and would not be economic. Molybdenum was not required in the development of these soils.
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Claims 6
Claim · model-written summary
Phosphorus and sulphur were the major nutrients limiting the growth of clovers on the steepland soils.
- Outcome
- major nutrients limit,ing the growth of cloverse0
TrifoliumOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the major nutrients limit,ing the growth of clovers were phosphorus and sulphur”
Claim · model-written summary
About 4 cwt of superphosphate per acre was required initially to remedy phosphate deficiency, and this would also rectify the sulphur deficiency.
Not reportedTaxon
Verbatim
e0“4 cwt of superphosphate per acre was required initially”
Claim · model-written summary
Superphosphate should be applied in the spring because of the very low sulphur retention capacities of the soils.
- Outcome
- superphosphate should be apphed in the springe0
Not reportedTaxon
Verbatim
e0“the superphosphate should be apphed in the spring”
Claim · model-written summary
Annual maintenance superphosphate dressings are likely to be 1.5 to 2 cwt per acre.
Not reportedTaxon
Verbatim
e0“maiatenance superphosphate dressingi are likely to be 11/z to 2 cwt per acre annually”
Claim · model-written summary
Initial responses to lime were small and would not be economic.
Not reportedTaxonComparator
Verbatim
e0“The initial responses to lime were small and would not be economic”
Claim · model-written summary
Molybdenum was not required in the development of these soils.
- Outcome
- Molybdenum was not requirede0
Not reportedTaxon
Verbatim
e0“Molybdenum was not required in the development of these soils”